KR102096804B1 - Wearable computing device and operating method thereof - Google Patents

Abstract

A wearable terminal is disclosed. The terminal includes a detection circuit; A first electrode and a second electrode connected to the detection circuit to form an open loop circuit and spaced apart from each other; And when the detection circuit, the first electrode, and the second electrode form a signal path through the user's body part due to simultaneous contact of the user's body part with the first electrode and the second electrode, the wearable terminal starts. It may include a control unit for controlling to perform the set function.

Description

Wearable terminal and its operation method {WEARABLE COMPUTING DEVICE AND OPERATING METHOD THEREOF}

It is associated with a wearable computing terminal, and more specifically, a wearable terminal capable of measuring bio signals.

The contents described in this section merely provide background information for this embodiment, and do not constitute a prior art.

The computing device needs a means to receive commands from the user. Since the wearable terminal needs to minimize the volume and weight, the area occupied by the input means of the wearable terminal or the position where it can be installed is limited.

An example of an input means is a push button. The push button is typically located on the side of the body of the wearable terminal. When looking at the wearable terminal designed on the right hand side from the front, the push button is located on the right side of the body. This button method has a problem in that the left-handed person presses the button. In addition, the shape of the main body is formed asymmetrically due to the button.

In order for the button located on the side of the main body to operate normally without sliding the finger, the main body must be supported by the other finger on the opposite side of the button. If the finger that the other supporting finger presses the button is not aligned with the direction of the force pressing the button, torque is generated and the body rotates.

On the other hand, there is a problem in that a user presses a button while operating a daily life or during a sports activity, thereby operating a wearable terminal. As the number of button presses increases, mechanical failure may occur. There is a difficulty in implementing a waterproof function in consideration of the trajectory of a button being pressed and returning.

Republic of Korea Registered Patent Publication No. 1237947 Republic of Korea Registered Patent Publication No. 0793834

According to one side, a wearable terminal including a terminal body and a band connected to the terminal body to be worn on a body part including a wrist is provided. The terminal includes: a detection circuit; A first electrode and a second electrode respectively connected to the detection circuit; And when a part of the user's body contacts the first electrode and the second electrode at the same time, and the detection circuit, the first electrode, and the second electrode form a signal path through the user's body, the wearable terminal starts. It may include a control unit for controlling to perform the set function.

According to an embodiment, when the signal path is formed in the sleep mode, the control unit compares a duration of a state in which the signal path is formed with a preset threshold, and the duration is the preset threshold If it is larger than the value, it can be switched from the sleep mode to the awake mode.

According to one embodiment, the wearable terminal may further include a sensor that detects a user's contact. In this case, the control unit detects a user's touch gesture using whether the closed loop circuit is formed or sensing data output from the sensor, and when the awake mode detects the touch gesture, the wearable terminal performs You can change the functions to be performed in sequence.

According to one embodiment, the sensor may include an acceleration sensor. In this case, the controller may detect the touch gesture by calculating the amount of impact applied to the wearable terminal using the sensing data output from the acceleration sensor.

According to an embodiment of the present invention, the wearable terminal may further include a storage unit that stores a plurality of functions and the frequency at which each function is performed. In this case, the control unit may set the order in which the functions performed by the wearable terminal are changed in order of comparing the frequencies of the plurality of functions and in the order of the highest frequency.

According to an embodiment of the present invention, the wearable terminal includes a sensor that detects a user's contact; And a storage unit storing a plurality of functions and a plurality of touch gestures corresponding to the plurality of functions. In this case, the control unit detects a user's touch gesture using sensing data output from the sensor or a temporal pattern in which the signal path is formed, and the user's touch gesture is stored in the storage unit. It can be determined whether it matches any one of them, and a function corresponding to a matching touch gesture is read from the storage unit and controlled to perform the read function.

In addition, the control unit, based on the sensing data or the temporal pattern, the user's contact using the amount of impact upon contact, the number of contact, the contact time, the time interval between contacts, the contact area or a combination thereof Gestures can also be detected.

According to one embodiment, the touch gesture may include at least one of a push action, a tap action, a slide action, a touch action, a touch action, a turn action, and a flick action (Flick). Actions.

Meanwhile, according to an embodiment, the preset function may be transmission of information including the set information. By way of example, but not limitation, the sending of the information may be a beacon transmission. The beacon transmission may include, for example, Bluetooth and / or low power Bluetooth (BLE) beacon transmission.

According to another aspect, a wearable terminal is provided that includes a terminal body and a band connected to the terminal body to be worn on a body part including a wrist. The terminal includes: a biosignal measurement circuit; A first electrode and a second electrode connected to the bio-signal measurement circuit and spaced apart from each other on the front of the wearable terminal; A third electrode and a fourth electrode connected to the biosignal measurement circuit and spaced apart from each other on the rear surface of the wearable terminal so as to contact a part of the body when the user wears it; And detecting a user's body part in contact with each of the first to fourth electrodes, and when a certain time elapses while the user's body part contacts the first to fourth electrodes, separate Without additional input, a control unit may be configured to control one or more of the first to fourth electrodes to operate in a biosignal measurement mode.

According to one embodiment, when the wearable terminal operates in the biosignal measurement mode, the first electrode and the third electrode apply current to the user's body, and the second electrode and the fourth electrode are The voltage of the body contact area is detected, and the controller calculates the user's bioimpedance based on the detected voltage, and analyzes the user's body composition based on the bioimpedance.

According to one embodiment, the control unit detects that the first to fourth electrodes and the biosignal measurement circuit form a closed loop circuit, and a part of the user's body contacts the first to fourth electrodes It can be judged.

According to an embodiment, the biosignal measurement mode may include one or more of a body composition measurement mode, an electrocardiogram measurement mode, a heart rate measurement mode, a blood flow rate measurement mode, and a blood pressure measurement mode.

According to another aspect, a wearable terminal capable of measuring a user's physiological state or a user's movement is provided. The terminal includes: a detection circuit; A first electrode and a second electrode respectively connected to the detection circuit; When the user's body is in contact with the first electrode and the second electrode at the same time, a wearable terminal may include a control unit that controls to perform a predetermined function.

Here, the controller may switch from the sleep mode to the awake mode when a certain time elapses while the user's body is in contact with the first and second electrodes at the same time in the sleep mode.

According to an embodiment, the wearable terminal further includes a sensor that detects a user's contact, and the controller detects a user's touch gesture using the first electrode, the second electrode, or the sensor, When the touch gesture is detected in the awake mode, the function performed by the wearable terminal may be sequentially changed.

According to one embodiment, the sensor may include an acceleration sensor. In this case, the controller may detect the touch gesture by calculating the amount of impact applied to the wearable terminal using the sensing data output from the acceleration sensor.

According to an embodiment of the present invention, the wearable terminal may further include a storage unit that stores a plurality of functions and the frequency at which each function is performed. In this case, the controller may set the order in which the functions performed by the wearable terminal are changed in order of comparing the frequencies of the plurality of functions and in the order in which the frequencies performed are high.

According to an embodiment of the present invention, the wearable terminal includes a sensor that detects a user's contact; And a storage unit storing a plurality of functions and a plurality of touch gestures corresponding to the plurality of functions. In this case, the controller detects a user's touch gesture by using a temporal pattern in which the user's body contacts the first electrode and the second electrode or sensing data output from the sensor, and corresponds to the detected touch gesture The function to be read from the storage unit can be controlled to perform the read function.

According to one embodiment, the control unit, based on the sensing data or the temporal pattern, the impact amount, the number of times of contact, the time of contact, the time interval between contacts, the contact area or a combination thereof The user's touch gesture can be detected.

According to one embodiment, the touch gesture may include at least one of a push action, a tap action, a slide action, a touch action, a touch action, a turn action, and a flick action (Flick). Action.

1 is a block diagram illustrating a wearable terminal according to embodiments of the present invention.
2A and 2B are exemplary front views of a wearable terminal.
3A and 3B are exemplary side views of a wearable terminal.
4A and 4B are views illustrating a state in which the wearable terminal is worn on the body.
5A to 5D are diagrams illustrating a state in which a body part is in contact with an electrode portion of a wearable terminal.
6 is a block diagram illustrating a wearable terminal according to an embodiment of the present invention.
7A is a graph illustrating measurement values of a sensor of a wearable terminal according to an embodiment of the present invention.
7B illustrates an exemplary frame structure of beacon information transmitted by a wearable terminal according to an embodiment of the present invention.
8A is a diagram illustrating information displayed by the display unit 700 of a wearable terminal according to an embodiment of the present invention.
8B is a diagram illustrating information displayed by the display unit 700 of the wearable terminal according to another embodiment of the present invention.
9 is a diagram illustrating information displayed by a display unit of a wearable terminal according to another embodiment of the present invention.
10 is a diagram illustrating information displayed by a display unit of a wearable terminal according to another embodiment of the present invention.

Hereinafter, some embodiments of the present invention will be described in detail through exemplary drawings. It should be noted that in adding reference numerals to the components of each drawing, the same components have the same reference numerals as possible even though they are displayed on different drawings. In addition, in describing the present invention, when it is determined that detailed descriptions of related well-known configurations or functions may obscure the subject matter of the present invention, detailed descriptions thereof will be omitted.

In addition, in describing the components of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are only for distinguishing the component from other components, and the nature, order, or order of the component is not limited by the term. Throughout the specification, when a part is 'included' or 'equipped' a component, this means that other components may be further included rather than excluded, unless specifically stated to the contrary. . In addition, '… Terms such as "unit" and "module" mean a unit that processes at least one function or operation, and may be implemented by hardware or software or a combination of hardware and software.

The embodiments described below enable an electrode (terminal) for measuring a biosignal to be used as an input interface without additionally installing a physical button for input to a wearable terminal and / or with a minimum number of buttons. In some embodiments, the device detects that a part of the user's body is in contact with the first electrode and the second electrode to perform the function of the device, so that an electrode used for body composition analysis without a separate input means is input by the user. It should be utilized as.

Meanwhile, the wearable terminal described below may be a terminal capable of measuring biometric information such as body composition by way of example and not limitation. However, it is not limited to this. Even if the terminals of various other types and uses are not individually listed, they are not limited to wearable terminals for a specific purpose.

1 is a block diagram illustrating a wearable terminal according to embodiments of the present invention. As shown in FIG. 1, the wearable terminal 10 includes a body 20 and a wearing part 30. The body 20 of the wearable terminal 10 includes a power supply unit 100, an electrode unit 200, a detection circuit 300, a body composition measurement circuit 400, a control unit 500, a sensor unit 600, and a display unit ( 700) and the storage unit 800 in whole or in part. The main body 20 may include an external interface unit 40. The main body 20 and the wearing part 30 are connected to each other to have a structure that can be worn by a user. The wearable terminal 10 may omit some components or additionally include other components among various components exemplarily illustrated in FIG. 1.

The power supply 100 supplies electric power to each component included in the wearable terminal 10. The power supply 100 may include a disposable battery or a secondary battery. When the power supply unit 100 includes a secondary battery, the external interface unit 40 may be a charging terminal, and the battery is charged through an external charger connected through the external interface unit 40. In addition, the power supply unit 100 may be charged by receiving wireless power from a wireless power transmitter including a wireless power receiver in addition to a battery.

The electrode unit 200 is formed on the outside of the main body 20 to allow external contact. The electrode unit 200 includes a plurality of electrodes, and each electrode is spaced apart. The plurality of electrodes may include a current electrode to which a current is applied to measure the bioimpedance and a voltage electrode to detect the voltage. Here, the current electrode and the voltage electrode are arbitrarily determined in the process of detecting the user's biological information, and the role of the electrode disposed at a specific location is not fixed as the current electrode or the voltage electrode. The electrode of the electrode unit 200 may be commonly used to sense a user's body contact or to measure bioimpedance, and a detection circuit 300 for body contact detection and a biosignal measurement circuit 400 for bioimpedance measurement And can be connected in parallel.

The detection circuit 300 is a circuit for detecting a user's body contact, and is connected to the power supply 100 to receive power. At least two electrodes of the electrode unit 200 are connected to the detection circuit 300 to form an open loop circuit. Specifically, the electrode unit 200 is formed outside the main body 20 and the detection circuit 300 is formed inside the main body, and corresponds to a form connected to the detection circuit 300 between the electrode and the electrode. When a user's body part simultaneously contacts at least two electrodes connected to the detection circuit 300, the electrode and the electrode are connected through the user's body to form a closed loop circuit.

According to another embodiment, the detection circuit 300 may detect a change in pressure transmitted to the main body 20 using the touch sensor of the sensor unit 600 described later. For example, the detection circuit 300 may detect a tapping operation such as a finger touch of a user wearing the wearable terminal 10.

According to another embodiment, the detection circuit 300 may detect a change in impedance outside the wearable terminal 10 according to a user's body contact. For example, the user may perform a finger touch on any one of at least two electrodes included in the electrode unit 200. In this case, the overshooting peak value may be detected in the detection circuit 300 according to the user's finger touch. The overshooted peak value is generated by temporarily changing the signal path of the open-loop circuit as a user's finger contacts one electrode. In addition, the detection circuit 300 detects either the user's forward direction touch (first electrode touch) or backward direction touch (second electrode touch) according to the sign of the overshooted peak value. can do.

The biosignal measurement circuit 400 is a circuit for measuring a user's bioimpedance, and is connected to a plurality of electrodes of the electrode unit 200. The electrode connected to the bio-signal measurement circuit 400 may be divided into a current electrode and a voltage electrode, and when the wearable terminal 10 operates in a bio-impedance measurement mode, the bio-signal measurement circuit 400 is through a current electrode. A current is applied to a user's body, and a voltage is detected through a voltage electrode to measure bioimpedance.

The controller 500 executes various software or instruction sets to perform various functions for the wearable terminal 10 and process data. For example, the control unit 500 may detect that a circuit including the detection circuit 300 and an electrode is formed, and control a function performed by the display unit 700 or the wearable terminal 10. Also, the control unit 500 may obtain data from the bio-signal measurement circuit 400, the sensor unit 600, or the storage unit 800 to determine the user's movement or physiological state. The control unit 500 may be implemented by a microprocessor or the like.

The sensor unit 600 includes a plurality of sensors capable of measuring a user's movement or a user's physiological state. The sensor unit 600 includes all or part of various sensors such as a touch sensor, an acceleration sensor, a gyro sensor, a proximity sensor, a red green blue (RGB) sensor, an illumination sensor, a global positioning system (GPS) sensor, a geomagnetic sensor, and an electromyography sensor. Includes. When the user presses or touches the display unit 700 of the wearable terminal 10, the touch sensor recognizes it using pressure, power failure, or the like. The acceleration sensor measures the acceleration or vibration of the object to detect movement per unit time of the wearable terminal 10. The gyro sensor measures the inclination of the wearable terminal 10 by sensing the rotational state of the wearable terminal 10 with three spatial axes. The proximity sensor notifies the presence or proximity of an object near the wearable terminal 10 using the force of the electromagnetic field without physical contact. The RGB sensor detects the color tone or color density of the ambient light of the wearable terminal 10. The illuminance sensor detects the brightness of the ambient light of the wearable terminal 10. The GPS sensor notifies the current position of the wearable terminal 10 by calculating the time difference between a plurality of GPS satellites orbiting the earth. The geomagnetic sensor detects the Earth's magnetic field and reports the Earth's orientation. The geomagnetic sensor can be used in combination with a GPS sensor to implement location-based services. The EMG sensor measures the degree of muscle contraction or relaxation.

The wearable terminal 10 provides information of the wearable terminal 10 using vision, hearing, and tactile sense.

The display unit 700 provides visual information to the user. The display unit 700 includes various display panels, for example, a liquid crystal display (LCD), an organic light emitting diode (OLED), a thin film transistor liquid crystal display (TFT)? ? LCD), but is not limited thereto.

The display unit 700 may be implemented as a touch screen. A touch screen is a touch-sensitive display in which a command matching a specific part is executed when a user places a hand or a special device on a specific part of the screen. The touch screen can detect one or more touch points on the touch screen based on any phenomenon that can be measured capacitive, resistive, optical, acoustic, inductive, mechanical, and chemical.

The wearable terminal 10 may further include a light that provides starting information, a vibration unit that provides tactile information, and a speaker that provides acoustic information. The light is a light emitter, and may include a light emitting diode (LED), but is not limited thereto. Lights can change color or provide information by blinking. The vibrating unit regularly or irregularly rotates the rumen located inside the wearable terminal 10 to vibrate the wearable terminal 10. The speaker converts electrical signals into sound waves.

The storage unit 800 stores software, instruction sets, and data for operating the wearable terminal 10. The storage unit 800 is connected to the control unit 500. The storage unit 800 includes a random access memory (RAM), a magnetic disk, a flash memory, a static random access memory (SRAM), and a read only memory (ROM). , EEPROM (Electrically Erasable Programmable Read Only Memory), PROM (Programmable Read Only Memory), and the like, but is not limited thereto.

The wearable terminal 10 may further include a communication unit (not shown). The communication unit converts electrical signals into electromagnetic waves or converts electromagnetic waves into electrical signals, and uses electromagnetic waves to wear a wearable terminal device of a communication network or another user (however, it is not limited to a 'wearable terminal device', but a non-wearable computing device) It can include). The communication unit is connected to the control unit 500. The communication unit may use various communication protocols required for wireless communication or mobile communication. Examples of communication protocols are: Near Field Communication (NFC), ZigBee, Bluetooth, Wi-Fi, WiMAX, Global System For Mobile Communication (GSM), 3G (Third Generation) mobile communication, LTE (Long Term Evolution), and the like, but is not limited thereto.

The wearable terminal 10 may transmit and receive data to and from a mobile device using a communication unit. That is, it is possible to pair with an application running on the mobile device. Mobile devices may include, but are not limited to, smart phones, tablet PCs, personal digital assistants (PDAs), laptops, and the like.

The external interface unit 40 functions to connect the wearable terminal 10 and an external device. The external interface unit 40 may include an audio connection unit, a port connection unit, and the like. The audio connection part is used to connect to an external audio device in a wired manner. For example, audio devices include earphones and headphones. Port connections are used to connect wiredly to other computing devices. The port connection may be implemented as a universal serial bus (USB), but may be another wired port.

The wearing part 30 is formed in a structure that can be worn on the body. The wearing part 30 can be detached from the main body 20. The wearing part 30 may have a band shape, and may be implemented with an arm band and a male band. Armbands and male bands have a width, length and thickness that are easy to fasten to any part of the human body, not just the wrist, forearm, ankle or leg. The wear part 30 may be made of synthetic resin or silicone, but is not limited thereto, and is flexible, so it is well bent, and any material having high tensile strength is possible. The wearing part 30 may be made of a material having little irritation to the skin of the human body.

The wearable terminal 10 may further include at least one of a heart rate measuring unit, a walking number measuring unit, a walking time measuring unit, a consumption calorie calculating unit, a walking distance measuring unit, and a remaining battery measuring unit.

Each component of the body 20 of the wearable terminal 10 may perform the functions of other components together as necessary. The components may be implemented as logic circuits by hardware, firmware, software, or a combination thereof. These components communicate through one or more communication buses or signal lines.

2A is an exemplary front view of a band-type wearable terminal, and FIG. 2B is an exemplary front view of a watch-type wearable terminal.

3A is an exemplary side view of a band-type wearable terminal, and FIG. 3B is an exemplary (a) side view and (b) rear view of a watch-type wearable terminal.

2A, 2B, 3A, and 3B, the wearable terminal 10 is connected to the main body 20 and the wearing part 30 so that the wearing part 30 has a structure that can be worn by a user. Two (30, 35) may be provided on both sides of the main body. The number of electrodes and the positions where the electrodes are formed can be variously implemented as necessary. The external interface unit 40 may include an external interface unit cover 45 to protect from the outside.

In the configuration of the body 20, the electrode part 200 is formed outside the body 20, and the first electrode 210, the second electrode 220, the third electrode 230, and the fourth electrode 240 It may include.

 When the user wears the wearable terminal 10, the first electrode 210 and the second electrode 220 are formed so as not to contact at least a part of the body. For example, the first electrode 210 and the second electrode 220 are located on the front surface of the main body 20.

2A, 2B, 3A, and 3B again, the third electrode 230 and the fourth electrode 240 are formed to contact a part of the body when the user wears the wearable terminal 10 do. For example, the third electrode 230 and the fourth electrode 240 are located on the rear surface of the main body 20.

4A is a view illustrating a state in which a band-type wearable terminal is worn on the body, and FIG. 4B is a view illustrating a state in which a watch-type wearable terminal is worn on the body. 4A and 4B, in a state where the wearable terminal 10 is worn on the wrist, the third electrode 230 and the fourth electrode 240 positioned on the rear surface of the main body 20 contact the wrist. . 4A and 4B, while the wearable terminal 10 is worn on the wrist, the first electrode 210 and the second electrode 220 positioned on the front surface of the main body 20 are exposed to the outside. And no contact with any part of the body.

5A is a view illustrating a state in which a body part is in contact with the electrode part of the wearable terminal in the form of a band, and FIG. 5B is a view illustrating a state in which a body part is contacted in the electrode part of the wearable terminal in the form of a watch. 5C is a diagram illustrating a state in which a tapping operation is performed on a display unit of a band-type wearable terminal, and FIG. 5D is a diagram illustrating a state in which a forward direction touch is performed on an electrode portion of a band-type wearable terminal. to be. In the embodiment of FIG. 5D, a process in which a user's finger contacts the first electrode 210 to implement a forward direction touch is illustrated, but a user's finger contacts the second electrode 220 to implement a backward direction touch as well. Being able to do so will be obvious to experts in the field of technology.

6 is a block diagram illustrating a wearable terminal according to an embodiment of the present invention. Referring to FIG. 6, the first electrode 210 and the second electrode 220 are connected to the detection circuit 300 formed inside the main body 20. Specifically, as illustrated in FIG. 6, the detection circuit 300 is connected between the first electrode 210 and the second electrode 220 to form an open loop circuit. 5A and 5B, when a user touches each of the electrodes 210 and 220 of the hand without the device, as shown in FIG. 6, the first electrode 210 and the second electrode The 220 is connected through a user's finger to form a detection circuit 300 and a closed loop circuit. The controller 500 detects that the formed closed loop circuit is formed, detects that there is a user's body contact, and controls the wearable terminal 10 to perform a predetermined function according to the user's body contact.

The first electrode 210, the second electrode 220, the third electrode 230, and the fourth electrode 240 are connected to the biosignal measurement circuit 400 formed inside the main body 20.

When the wearable terminal according to the embodiment of the present invention operates in a biosignal measurement mode, the first electrode 210 and the second electrode 220 formed on the front surface of the main body 20 become a pair of current electrodes and voltage electrodes. , The third electrode 230 and the fourth electrode 240 formed on the rear surface of the main body 20 may be a pair of current and voltage electrodes.

In the body composition measurement mode, the biosignal measurement circuit 400 applies current to the current electrodes to measure the bioimpedance under the control of the controller 500 and detects the voltage from the voltage electrodes. The controller 500 may calculate the user's bioimpedance based on the detected voltage and analyze the user's body composition based on the bioimpedance. In this embodiment, the arrangement of the current electrode and the voltage electrode is not fixed, and the role of the electrode can be changed according to design for accuracy of body composition measurement. In addition, the body part of the user in contact with the electrodes 210 and 220 in front of the main body 20 is not limited to two fingers as shown in FIGS. 5A and 5B, and the wearable terminal 10 such as one finger, palm, hand, etc. If the body parts adjacent to the two electrodes 210 and 220 are contacted at the same time so as not to contact the wearing part (wrist), measurement of the bioimpedance is possible.

When the body composition analysis function of the wearable terminal 10 is executed, measurement is performed for a predetermined time. In order to produce a more accurate body composition analysis result, the user must pay attention to two actions. When measuring the impedance of the bioimpedance measuring unit, the user should be careful not to touch the right hand and the left hand. In addition, while the bioimpedance measurement unit performs impedance measurement, the user must maintain a posture. When the measurement is completed, the bioimpedance measurement unit calculates muscle mass, body fat mass, body fat percentage, and body mass index based on the input weight. The body weight can be received from the paired mobile device. When the measurement is completed, the display unit 700 displays the body fat percentage. The communication unit transmits the calculated muscle mass, body fat mass, body fat percentage, and body mass index to the paired mobile device. The communication unit may transmit at least one of the measured current, voltage, and impedance of the living body to the paired mobile device.

In addition, the control unit 500 detects that a part of the user's body has contacted the first electrode 210, the second electrode 220, the third electrode 230, and the fourth electrode 240, and all the electrodes ( 210, 220, 230, 240) when a certain time has elapsed while the user's body is in contact, the wearable terminal 10 may be controlled to operate in the biosignal measurement mode without additional input.

For example, in one embodiment of the present invention, the first electrode 210, the second electrode 220, the third electrode 230, and the fourth electrode 240 are respectively connected to the biosignal measurement circuit 400, , When worn by the user, the third electrode 230 and the fourth electrode 240 are in contact with the user's wrist. At this time, when the user touches the other body part to the first electrode 210 and the second electrode 220, the user's body, each of the electrodes (210, 220, 230, 240) and the bio-signal measurement circuit ( 400) forms a closed loop circuit and the control unit 500 detects that the closed loop circuit is formed to determine whether the user's body is in contact with all the electrodes 210, 220, 230, and 240. And controls the wearable terminal 10 to operate in the biosignal measurement mode.

The biosignal measurement mode may be an electrocardiogram measurement mode, a heart rate measurement mode, a blood flow rate measurement mode, a blood pressure measurement mode as well as a body composition measurement mode. When a predetermined time elapses in a state in which a part of the user's body is in contact with all the electrodes 210, 220, 230, and 240, the control unit 500 sets a predetermined biosignal regardless of whether the terminal is in awake mode or sleep mode. Control to enter measurement mode.

The wearable terminal 10 may operate the device using a body part. That is, in one embodiment of the present invention, the user's body part may serve as a switch for operating the wearable terminal 10. For example, the wearable terminal 10 includes an electrode unit 200, so that when a part of the user's body contacts the electrode, the device is turned on / off, a function executed on the device, an operation mode of the device, and beacon information on the device It is possible to operate functions such as transmitting (beacon information) to a designated external device.

The wearable terminal 10 operates in the Awake Mode. Here, the awake mode is a mode opposite to the sleep mode in which the power source of the wearable terminal 10 limits the operation of the units of the wearable terminal 10 or operates the units with low power in order to efficiently use power. to be. That is, in the awake mode, the wearable terminal 10 performs any one or more of a plurality of functions that can be performed. The multiple functions include the function change function of the terminal, clock display function, body composition analysis function, heart rate display function, walking number display function, walking time display function, consumption calorie display function, walking distance display function, remaining battery display function, etc. can do.

The control unit 500 of the wearable terminal 10 may switch the mode between the sleep mode and the awake mode. When the wearable terminal 10 detects that the closed loop circuit is formed when the wearable terminal 10 is in the sleep mode, the controller 500 compares the duration of the closed loop circuit formed state with a preset threshold. At this time, the predetermined threshold value refers to a time value for the user to be in contact with the body part of the first electrode 210 and the second electrode 220 in order to enter the awake mode. It can be a value. When the control unit 500 compares the duration and a preset threshold (threshold time for entering the awake mode), when the duration is equal to a preset threshold or if the duration is greater than a preset threshold, wearable Switch the terminal from sleep mode to awake mode.

That is, when the wearable terminal 10 is in the sleep mode, when the user contacts a finger to the first electrode 210 and the second electrode 220 for a certain period of time, the wearable terminal 10 enters the awake mode. Entering to perform any one of a plurality of functions, the display unit 700 is turned on, and a screen corresponding to a function performed by the wearable terminal 10 is displayed. Similarly, the state in which the closed loop circuit is formed during the awake mode may be switched from the awake mode to the sleep mode based on the sustained duration. Alternatively, the user can switch from the awake mode to the sleep mode based on a time during which the user's contact is not detected during the awake mode.

Referring to FIG. 6, the wearable terminal includes a power supply unit 100, an electrode unit 200, and a control unit 500. The electrode unit 200 forms an open loop circuit with the power supply unit 100 and has a first electrode 210 and a second electrode 220 connected thereto. When a user's body part is in contact with the first electrode 210 and the second electrode 220, the power supply unit 100, the first electrode 210, and the second electrode 220 form a closed loop circuit. The control unit 500 detects that a closed loop circuit is formed and instructs at least one unit to perform at least one unit included in the wearable terminal 10 to perform a predetermined operation.

For example, when the user's body part contacts the first electrode 210 and the second electrode 220, the control unit 500 may change the wearable terminal 10 from a sleep mode to an awake mode. The control unit 500 may change the operating frequency of the sensor unit 600 when a part of the user's body contacts the first electrode 210 and the second electrode 220.

In the awake mode, the control unit 500 may change the wearable terminal 10 to perform another function while performing one of a plurality of functions. The controller 500 may be worn when a part of the user's body is in contact with the first electrode 210 and the second electrode 220, or when a physical shock is applied to the wearable terminal 10 due to the user's body contact. The terminal 10 may be changed from a first mode performing one function to a second mode performing another function. The physical impact applied to the wearable terminal 10 may be sensed by a sensor of the sensor unit 600. For example, the control unit 500 may detect whether there has been a user's body contact by calculating the amount of impact applied to the wearable terminal 10 using the sensing data output from the acceleration sensor.

7A is a graph illustrating measurement values of a sensor of a wearable terminal according to an embodiment of the present invention.

The state in which the closed loop circuit is formed during the awake mode 702 may be switched from the awake mode 702 to the sleep mode 703 based on the sustained duration. Alternatively, the user may switch from the awake mode 702 to the sleep mode 703 based on a time during which the user's contact is not detected during the awake mode 702.

The sensor unit 600 includes a plurality of sensors capable of measuring a user's movement or a user's physiological state. Some sensors of the sensor unit 600 detect physical contact or whether a closed loop circuit is formed based on a first preset frequency in the sleep mode. When the wearable terminal 10 is in the awake mode, some sensors of the sensor unit 600 are physically based on a second frequency higher than the first frequency to detect a device manipulation operation (hereinafter, a touch gesture) by the user. It detects whether a contact or closed loop circuit is formed. Here, the sensor unit 600 may be at least one of a touch sensor mounted on the outside of the wearable terminal 10, an acceleration sensor for measuring the acceleration or impact strength of an object, or an EMG sensor for measuring the degree of muscle contraction or relaxation. However, it is not limited thereto.

Referring to FIG. 7A, the operation cycle of the sensor of reference numeral 710 and 730 is different from the operation cycle of the sensor of reference numeral 720. That is, the operating frequency of the sensor in the sleep mode and the operating frequency of the sensor in the awake mode are different. In this embodiment, the operating frequency (second frequency) of the sensor in the awake mode is set higher than the operating frequency (first frequency) of the sensor in the sleep mode, and there is no device manipulation by the user in the sleep mode. In the first frequency, the level of detecting the user's touch gesture is lowered, and in the awake mode, the user's device may be operated by the user, so the second frequency increases the level of detecting the user's touch gesture.

The sensor of the sensor unit 600 continuously measures the user's movement or physiological state even in the sleep mode, and in the awake mode, the sensor unit 600 measures the user's movement or physiological state and simultaneously touches the user. Gestures are detected. Referring to Figure 7a, the size of the measured value of the sensor of reference numeral 720 and 730 is larger than the size of the measured value of the sensor of reference numeral 710, the sensor value in the sleep mode measured at the first frequency is the user's It is used to grasp the movement or physiological state and not to detect the user's touch gesture. That is, in the sleep mode, the user's touch gesture detection using the sensor is not performed.

According to the wearable terminal according to the embodiments, since there is no need to install a separate user input means outside the main body, a symmetrical design is possible, a manufacturing cost can be reduced, and it is advantageous for waterproofing, and the product The main cause of failure can be eliminated. In addition, it is possible to efficiently manage the power of the power supply unit 100 while preventing the device from operating regardless of the user's intention.

The user's touch gesture is at least one of a push action, a tap action, a slide action, a touch action, a touch action, a turn action, and a flick action. The control unit 500 may detect a user's touch gesture by detecting physical contact in the awake mode 702 or whether a closed loop circuit is formed. For example, a user's tap motion may be detected using an acceleration sensor, but the user's touch gesture is not limited thereto, and various motions may be detected.

The wearable terminal 10 may change between a plurality of functions executable in the awake mode based on a user's touch gesture. That is, the control unit 500 may change a function performed by the wearable terminal 10 based on a user's touch gesture and change information displayed on the display unit 700.

The wearable terminal performing a plurality of functions includes a power supply unit 100, an electrode unit 200, a control unit 500, a sensor unit 600, and a display unit 700. Multiple functions include the function change function of the terminal, clock display function, body composition analysis function, heart rate display function, walking number display function, walking time display function, consumption calorie display function, walking distance display function, remaining battery display function, beacon information transmission Features and more. Body composition is analyzed by measuring the bioimpedance using the electrode unit 200. The number of walks is measured using the sensor unit 600.

The electrode unit 200 has a first electrode and a second electrode. When a user's body part is in contact with the first electrode and the second electrode, the controller 500 switches the wearable terminal from the sleep mode to the awake mode. The display unit 700 is connected to the control unit 500 and displays information regarding at least one of a plurality of functions in the awake mode. The sensor unit 600 is connected to the control unit 500 to detect physical contact or to detect whether a closed loop circuit is formed. The control unit 500 detects a user's touch gesture using the sensor unit 600. When a user's touch gesture is detected, the control unit 500 changes a function performed by the wearable terminal 10, and the display unit 700 changes information from one function to another function and displays it. .

The wearable terminal may include a storage unit 800. The storage unit 800 sequentially displays at least two functions of a clock display function, a body composition analysis function, a heart rate display function, a walking number display function, a walking time display function, a consumption calorie display function, a walking distance display function, and a remaining battery display function. Save (Sequence). When a user's touch gesture is detected, the display unit 700 sequentially displays information on at least two functions. The sequence for at least two functions may be set using an application of a paired mobile device.

7B illustrates an exemplary frame structure of beacon information transmitted by a wearable terminal according to an embodiment of the present invention. Referring to FIG. 7B, a frame structure of beacon information transmitted by a wearable terminal in awake mode 702 is illustrated. Specifically, the wearable terminal may transmit beacon information to the external device designated in the awake mode 702. For example, the designated external device may indicate a device that has a communication interface and performs a specific function, such as a security device disposed at the door of an apartment, a gate device of a library or gym, or an elevator control device disposed in a building. The designated external device described above is merely an exemplary description to help understanding of the present invention, and will not limit or limit other embodiments. Specifically, an embodiment in which a designated external device is implemented as a device such as a point of sale (POS) terminal disposed in a mart and a smart speaker disposed in a home will also be included in the scope of this embodiment.

The beacon information includes a preamble (741), an access address (access address) 742, a protocol data unit (PDU: Protocol Data Unit) 743, and a cyclic redundancy check (CRC) data 744. It can contain. The preamble 741 may include control information for determining a connection protocol for performing data communication with an external device designated by the wearable terminal. Also, the preamble 741 may include control information for determining resource information to be used by the wearable terminal for data communication. The access address 742 may include Internet protocol address information for a designated external device. The cyclic redundancy check data 744 may include predetermined data of a predetermined length to detect data errors during the communication process.

In addition, the protocol data unit 743 may include a header 751, a MAC address 752, and data 753. The data 753 field may include a beacon prefix 761, a universally unique identifier (UUID) 762, a major field 763, a minor field 764, and a transmit power field 765. have. The beacon prefix 761 may include data information summarizing the information type of the transmitted data. The device unique identifier is a serial number of a device uniquely worn by one wearable terminal, and may include information that allows an external device to identify the wearable terminal. In addition, the wearable terminal may implement various functions performed in the awake mode 702 using data byte values allocated to the major field 763 and the minor field 764. In addition, since the header 751 and the MAC address 752 are obvious to experts in the Bluetooth-based communication field, detailed descriptions thereof will be omitted.

As an embodiment, when the awake mode 702 is performed by the user's contact, the wearable terminal performs a library access (check-in, check-out) function, a designated item automatic purchase function, etc. through communication with a designated external device. can do. For example, there may be a case where 2 bytes of data space are allocated to each of the major field 763 and the minor field 764. In this case, the wearable terminal may perform operations as shown in Table 1 below according to the major field 763 value and the minor field 764 value in response to the designated external device.

Major field (763) value Minor field (764) value Wearable terminal features 01 01 Library check-in 01 02 Library checkout 02 01 Purchase of the first item 02 02 Second article purchase

According to the present embodiment, the wearable terminal may provide an effect of performing various additional functions by transmitting predetermined beacon information to the external device designated in the awake mode 702. The description in Table 1 above is merely an exemplary description to help understanding of the present embodiment, and should not be construed as limiting or limiting other embodiments. For example, the wearable terminal transmits beacon information in the awake mode 702 to send control information to the elevator to descend automatically without directly pressing an elevator button in the lobby or to an apartment parking gate. For example, it can perform various transformation functions such as sending an access request. In addition, the byte size of the data allocated to the major field 763 and the minor field 764 may also be variously modified according to the implementation method of the skilled person.

8A is a diagram illustrating information displayed by the display unit 700 of a wearable terminal according to an embodiment of the present invention.

Referring to FIG. 8A, in the sleep mode 801, the display unit 700 is turned off (890). In the awake mode 802, the display unit 700 displays a screen indicating a function or information provided by the device. The screen displayed by the display unit 700 includes a watch screen 810, a body composition measurement screen (820, 822, 824, 826), a heart rate measurement screen (830, 832, 834, 836), and a gait number screen (840, 842) , Walking time screens 850 and 852, consumption calorie screens 860 and 862, walking distance screens 870 and 872, and remaining battery screens 880 and 882. The display of the display unit 700 is controlled by the control unit 500 of the wearable terminal 10, and the control unit 500 can control the operation of the display unit 700 in response to a user's touch gesture.

The body composition measurement screens 820, 822, 824, and 826 are screens 820 indicating that the body composition measurement mode has been entered, a screen 822 inducing a user's finger to contact the electrode for body composition measurement, and a screen informing the measurement progress 824, a screen 826 informing the measurement result, and the like, and is sequentially displayed on the display unit 700 as the body composition measurement progresses.

The heart rate measurement screens 830, 832, 834, and 836 are screens 830 indicating that the heart rate measurement mode has been entered, a screen 832 that induces a user's finger to contact the electrode for heart rate measurement, and a screen indicating the measurement progress. 834, a screen 826 for notifying the measurement result, and the like, and displayed on the display unit 700 sequentially as the heart rate measurement progresses.

The number of walk screens 840 and 842 may be composed of a screen 840 indicating that the number of walks is displayed, and a screen 842 showing the number of walks, and the number of walks displayed is from the time when the user's touch gesture is detected. It may be the number of steps measured or the number of steps accumulated from a specific time point. Whether to measure the number of steps, the start time of measurement, or the time of completion of measurement may be set using an application of a paired mobile device.

The walking time screens 850 and 852 may include a screen 850 for notifying that the walking time is displayed, and a screen 852 for displaying the walking time, and the displayed walking time is from the time when the user's touch gesture is detected. It may be a measured walking time or an accumulated walking time from a specific time point. Whether to measure a walking time, a measurement start time, or a measurement completion time may be set using an application of a paired mobile device.

The consumption calorie screens 860 and 862 may be configured as a screen 860 indicating that the consumption calorie is being displayed, and a screen 862 displaying the consumption calorie, and the displayed consumption calorie is from the time when the user's touch gesture is detected. It may be the calculated calorie consumption or the calorie consumption accumulated from a specific point in time. Whether to measure the consumption calories, when to start measurement, or when measurement is completed may be set using an application of a paired mobile device.

The walking distance screens 870 and 872 may include a screen 870 indicating that the walking distance is displayed, and a screen 872 displaying the walking distance, and the displayed walking distance is calculated from the time the user's touch gesture is detected. It may be a walking distance or an accumulated walking distance from a specific point in time. Whether to measure a walking distance, a measurement start time, or a measurement completion time may be set using an application of a paired mobile device.

The remaining battery screens 880 and 882 may be configured as a screen 880 indicating that the remaining battery is displayed, and a screen 882 displaying the remaining battery, and displayed as a percentage (%) according to the amount of power of the power supply unit 100 can do.

8B is a diagram illustrating information displayed by the display unit 700 of the wearable terminal according to another embodiment of the present invention.

Referring to FIG. 8B, in the sleep mode 801, the display unit 700 is turned off (890). In this case, the wearable terminal may enter either the first awake mode 802 or the second awake mode 803 in response to the first interaction 804 or the second interaction 805 with the user. have. For example, the first interaction 804 may indicate an operation in which a part of the user's body is in contact with both electrodes included in the wearable terminal. Specifically, the first interaction 804 is an operation in which the detection circuit 300 forms a closed loop by connecting a user's finger to the first electrode 210 and the second electrode 220 of the wearable terminal. Can represent Also, the second interaction 805 may indicate an operation of a user tapping the display unit 700 included in the wearable terminal.

Descriptions of the screens provided in the first awake mode 802 include the watch screen 810, body composition measurement screens 820, 822, 824, and 826 described in FIG. 8A, heart rate measurement screens 830, 832, and 834. 836), walk number screen (840, 842), walk time screen (850, 852), consumption calories screen (860, 862), walking distance screen (870, 872), the description of the remaining battery screen (880, 882) This can be applied as it is, and duplicate description will be omitted.

In the second awake mode 802, the wearable terminal may output a plurality of function screens 891, 892, 893, and 894 predetermined by the user. For example, in the second awake mode 802, the wearable terminal may perform a communication mode for transmitting beacon information to a designated external device. In addition, each of the function screens 891, 892, 893, and 894 may indicate a specific function implemented through data communication with an external device.

The user may perform a forward direction touch or a backward direction touch by touching one of the two electrodes included in the wearable terminal. According to the user's forward direction touch or backward direction touch, the wearable terminal may move the function screen output to the user by one index (up and down). Specifically, the wearable terminal may output the fourth function screen 894 sequentially (891 ??> 892 ??> 893 ??> 894) from the first function screen 891, or the second function screen ( It may also be possible to output the first function screen 891 again at 892). For example, when the first electrode disposed in the upward direction is touched by the user, the wearable terminal may change the index of the function screen to increase by one step in response to the forward direction touch. In addition, when the second electrode disposed in the downward direction is touched by the user, the wearable terminal may change the index of the function screen to be one step smaller in response to the backward direction touch.

Each of the function screens 891, 892, 893, and 894 may correspond to a function of the wearable terminal preset by the user. For example, the first function screen 891 indicates an automatic ordering function for salads that the user consumes for breakfast, the second function screen 892 indicates a check-in function for the library entrance gate, and the third function screen 893 Indicates a check-out function for the library entrance gate, and the fourth function screen 894 may indicate a request function to automatically move an elevator from the apartment lobby (1st floor) to the 1st floor. The plurality of function screens 891, 892, 893, and 894 described above may be implemented through transmission of beacon information. Regarding the frame structure of the transmitted beacon information, the description described with reference to FIG. 7B may be applied as it is, and redundant description will be omitted.

In addition, the description of each of the functions described above is merely an exemplary description for ease of understanding, and should not be construed as limiting or limiting other embodiments. For example, the user may perform various functions such as performing automatic purchase of a designated item using the beacon information transmission function of the wearable terminal or playing music suitable for weather / temperature. Therefore, the user can automatically perform data communication with a designated external device by using the beacon information transmission function provided by the wearable terminal, and accordingly, automatically operate operations such as purchase, reservation, order, and access within a living radius. You can expect the effect to be performed.

As the user's touch gesture is detected in the wearable terminal 10, the display unit 700 displays the screens. When the user's touch gesture is repeated within a certain time, that is, when the device detects a user's touch gesture (hereinafter referred to as a function switching operation) repeated within a certain time, the display unit 700 displays a touch gesture. The screens are sequentially displayed each time it is detected. The contact gesture at this time may be a one-tap operation, but is not limited thereto.

For example, if the display unit 700 detects a function switching operation while displaying the clock 810, that is, when a user inputs a tap operation to the device, the display unit 700 displays body composition each time each tap operation is detected. The measurement screen, heart rate measurement screen, and the number of walking screens are sequentially switched and displayed.

When a function switching operation is detected when a screen representing a function or information provided by the device is composed of a plurality of screens, only the first screen of the screen displaying the information is sequentially displayed. If the user's touch gesture is no longer detected within a certain time, the next screen of the screen indicating the corresponding information is displayed. That is, the user may select to view the first screen sequentially displayed and repeat the touch gesture until the desired information is displayed, so that the user displays desired information.

For example, when a function switching operation is detected and the screen 840 indicating that the screen displayed on the display unit 700 is displaying the number of steps while sequentially switching is displayed, a touch gesture that is repeated for a certain period of time is detected. If not, this means that the user has selected the walk number display function, and the display unit 700 displays a screen 842 indicating the number of walks.

The display screen and the switching order of the screens illustrated in FIGS. 8A and 8B are exemplary, but are not limited thereto.

The user's touch gesture may be at least one of a push action, a tap action, a slide action, a touch action, a touch action, a turn action, and a flick action. The controller 500 may detect a user's touch gesture using a sensor that detects physical contact in the awake mode 802 or whether a closed loop circuit is formed.

The user's touch gesture may be detected based on a contact between the wearable terminal 10 and a user's body part or a contact between the wearable terminal 10 and an object. The user's contact gesture can be detected using the amount of impact upon contact, the number of times contacted, the time contacted, the time interval between contacts, the contacted area, or a combination thereof.

For example, the contact between the wearable terminal and the user's body part may include a detection circuit included in the device, two electrodes connected to the detection circuit, and a closed loop circuit flowing in a closed loop circuit composed of a user's body in contact with the two electrodes. Formation can be detected and detected. In addition, the user can detect a user's tapping, pushing, or rotating motion using an acceleration sensor or a touch screen.

The user's touch gesture may be detected based on the degree of contraction or relaxation of a muscle in contact with a user's body part. The user's touch gesture can be detected using the number of contractions or relaxations, the time between contractions or relaxations, the time interval between contractions or relaxations, the rate of change of contractions or relaxations, and combinations thereof. For example, the degree of contraction or relaxation of these muscles can be detected using an electromyography sensor.

According to the wearable terminal according to the embodiment of the present invention, there is no need to install a separate user input means outside the main body, and switching between various functions provided by the device or information displayed on the device only by intuitive operation of the user This is possible.

The wearable terminal performing a plurality of functions includes a power supply unit 100, an electrode unit 200, a detection circuit 300, a biosignal measurement circuit 400, a control unit 500, a sensor unit 600, and a display unit 700 ), And a storage unit 800. The multiple functions include the function change function of the terminal, clock display function, body composition analysis function, heart rate display function, walking number display function, walking time display function, consumption calorie display function, walking distance display function, remaining battery display function, etc. do. Body composition is analyzed by measuring the bioimpedance using a plurality of electrodes of the electrode unit 200. The number of walks is measured using a sensor of the sensor unit 600.

9 is a diagram illustrating information displayed by a display unit of a wearable terminal according to another embodiment of the present invention.

The electrode unit 200 has a first electrode 210 and a second electrode 220. When the user's body part is in contact with the first electrode 210 and the second electrode 220, the controller 500 switches the wearable terminal from the sleep mode to the awake mode. The display unit 700 displays information regarding at least one of a plurality of functions in the awake mode. The sensor unit 600 detects physical contact or whether a closed loop circuit is formed. The storage 800 matches and stores contact gestures of a plurality of users preset in a plurality of functions. The control unit 500 detects one touch gesture among a plurality of preset user touch gestures based on the physical contact of the user sensed by the sensor unit 600. The control unit 500 reads one function corresponding to the detected touch gesture from the storage unit 800. The display unit 700 displays information about one function corresponding to one touch gesture.

The storage unit 800 of the wearable terminal 10 stores a plurality of touch gestures corresponding to a plurality of functions, and the controller 500 stores the corresponding function when a user's touch gesture is detected. It reads from, and controls the wearable terminal 10 to perform a function corresponding to a touch gesture, and the display unit 700 to output an associated screen.

Referring to FIG. 9, the display unit 700 includes a watch screen 910, a body composition measurement screen (920, 922, 924, 926), and a heart rate measurement screen (930, 932, 934, 936) in the awake mode 902 , Walking number screen (940, 942), walking time screen (950, 952), consumption calorie screen (960, 962), walking distance screen (970, 972), the remaining battery screen (980, 982) and displays. When a user's touch gesture is detected, the display unit 700 displays a screen related to a function corresponding to one touch gesture.

The user's touch gesture is at least one of a push action, a tap action, a slide action, a touch action, a touch action, a turn action, and a flick action. The control unit 500 may detect a user's touch gesture using a sensor that detects physical contact in the awake mode 902 or whether a closed loop circuit is formed. For example, a user's tap motion may be detected using an acceleration sensor, but the user's touch gesture is not limited thereto, and various motions may be detected.

The user's touch gesture may be detected based on a contact between the wearable terminal 10 and a user's body part or a contact between the wearable terminal 10 and an object. The user's contact gesture can be detected using the amount of impact upon contact, the number of times contacted, the time contacted, the time interval between contacts, the contacted area, or a combination thereof. For example, this contact can be detected using an acceleration sensor.

The user's touch gesture may be detected based on the degree of contraction or relaxation of a muscle in contact with a user's body part. The user's touch gesture can be detected using the number of contractions or relaxations, the time between contractions or relaxations, the time interval between contractions or relaxations, the rate of change of contractions or relaxations, and combinations thereof. For example, the degree of contraction or relaxation of these muscles can be detected using an electromyography sensor.

For example, when the body composition measurement function corresponds to a tap operation and the watch display function corresponds to a pushing operation, when the controller 500 detects a user's tap operation, the wearable terminal 10 enters the body composition measurement mode. , The body composition measurement screen 920 is displayed on the display unit 700. The display 700 displays a screen 920 informing that the device has entered the body composition measurement mode sequentially as the body composition measurement progresses in the device, a screen 922 that induces a user's finger to contact the electrode for body composition measurement, and measurement progress A screen 924 for notifying the display and a screen 926 for notifying the measurement result are displayed.

 Alternatively, the body composition measurement function may correspond to a one tap operation, the watch display function may correspond to a two tap operation, and the functions that the wearable terminal 10 can perform may be applied to various touch gestures. Can be matched.

Such a touch gesture can be detected using sensing data output from a sensor or a temporal pattern in which a closed loop circuit is formed. The temporal pattern in which the closed loop circuit is formed refers to a pattern in which the wearable terminal 10 contacts a part of the user's body with the first electrode 210 and the second electrode 220, and the number of contact between the body and the electrode , The contact gesture is detected using the contact time, the contact time interval, and the like.

For example, when a user touches the first electrode 210 and the second electrode 220 continuously twice within a predetermined time, the process of forming the closed loop circuit is repeated twice, which corresponds to a two-tap operation. It may be, the control unit detects this and controls the function to match the connection gesture is performed.

The function performed by the touch gesture is not limited by the screen display order of the display 700 as described with reference to FIGS. 8A and 8B, and the screen displayed based on the user's touch gesture is determined. That is, when a user's touch gesture repeated within a predetermined time is detected, the screen displayed on the display unit 700 is sequentially switched, and when a user's touch gesture corresponding to a specific function is detected, a function corresponding to the touch gesture This is performed and the related screen is displayed on the display unit 700.

According to the wearable terminal according to the embodiment of the present invention, there is no need to install a separate user input means outside the main body, and the user can select various functions provided by the device or information displayed on the device with a simple operation. .

10 is a diagram illustrating information displayed by a display unit of a wearable terminal according to another embodiment of the present invention.

The storage unit 800 of the wearable terminal 10 stores the frequency of a plurality of functions performed by the device. The control unit 500 compares the frequency counts of a plurality of functions stored in the storage unit 800 when a function switching operation is detected by the user, and performs functions performed by the wearable terminal 10 in the order of high frequency of use. Switching is performed, and the display unit 700 is controlled to output an associated screen.

Referring to FIG. 10, the display 700 displays a watch screen 1010, a body composition measurement screen (1020, 1022, 1024, 1026), and a heart rate measurement screen (1030, 1032, 1034, 1036) in the awake mode 1002 , Walking number screen (1040, 1042), walking time screen (1050, 1052), consumption calorie screen (1060, 1062), walking distance screen (1070, 1072), the remaining battery screen (1080, 1082) is displayed. When a user's function switching operation is detected, the display unit 700 sequentially displays the screens. The display order of the screen to be switched is determined based on the frequency of execution of each function stored in the storage unit 800.

The frequency stored in the storage unit 800 is updated each time the user selects the performance function of the wearable terminal 10. When a user performs a specific function through a function switching operation or performs a specific function through a touch gesture, it corresponds to a case where the frequency is updated.

For example, when the body frequency measurement function, clock display function, heart rate measurement function, walking number display function, walking time display function, consumption calorie display function, walking distance display function, residual battery display function in the order of high frequency, the user When there is a function switching operation, body composition measurement function, clock display function, heart rate measurement function, walking number display function, walking time display function, consumption calorie display function, walking distance display function, remaining battery display function in order Switch.

According to the above-described embodiments, the device detects that the user's body part is in contact with the first electrode and the second electrode to perform the function of the device, so that the electrode used for body composition analysis is utilized as the user's input interface Can be. Therefore, it is possible to use an electrode for biosignal measurement as a switch while suppressing separately having a button type / touch type switch.

According to some embodiments, since there is no need to install a separate user input means outside the main body, a symmetrical design is possible, which not only facilitates the user's convenience, but also reduces manufacturing cost and is advantageous for waterproofing. The main cause of product failure can be eliminated, and the device is prevented from operating regardless of the user's intention. For example, when the product is in a sleep mode, it is possible to prevent the product in the box from being woken up due to shaking during transportation, thereby consuming power.

Furthermore, even if the effects are not explicitly mentioned, the effects described in the following specification expected by the technical features of the present invention and the potential effects thereof may be various things expected to those skilled in the art through the specification of the present invention.

The device described above may be implemented with hardware components, software components, and / or combinations of hardware components and software components. For example, the devices and components described in the embodiments include, for example, a processor, controller, arithmetic logic unit (ALU), digital signal processor (micro signal processor), microcomputer, field programmable array (FPA), It may be implemented using one or more general purpose computers or special purpose computers, such as a programmable logic unit (PLU), microprocessor, or any other device capable of executing and responding to instructions. The processing device may run an operating system (OS) and one or more software applications running on the operating system. In addition, the processing device may access, store, manipulate, process, and generate data in response to the execution of the software. For convenience of understanding, a processing device may be described as one being used, but a person having ordinary skill in the art, the processing device may include a plurality of processing elements and / or a plurality of types of processing elements. It can be seen that may include. For example, the processing device may include a plurality of processors or a processor and a controller. In addition, other processing configurations, such as parallel processors, are possible.

The software may include a computer program, code, instruction, or a combination of one or more of these, and configure the processing device to operate as desired, or process independently or collectively You can command the device. Software and / or data may be interpreted by a processing device, or to provide instructions or data to a processing device, of any type of machine, component, physical device, virtual equipment, computer storage medium or device. , Or may be permanently or temporarily embodied in the transmitted signal wave. The software may be distributed on networked computer systems, and stored or executed in a distributed manner. Software and data may be stored in one or more computer-readable recording media.

The method according to the embodiment may be implemented in the form of program instructions that can be executed through various computer means and recorded on a computer readable medium. The computer-readable medium may include program instructions, data files, data structures, or the like alone or in combination. The program instructions recorded on the medium may be specially designed and configured for the embodiments or may be known and usable by those skilled in computer software. Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks, and magnetic tapes, optical media such as CD-ROMs, DVDs, and magnetic media such as floptical disks. -Hardware devices specially configured to store and execute program instructions such as magneto-optical media, and ROM, RAM, flash memory, and the like. Examples of program instructions include high-level language code that can be executed by a computer using an interpreter, etc., as well as machine language codes produced by a compiler. The hardware device described above may be configured to operate as one or more software modules to perform the operations of the embodiments, and vice versa.

Although the embodiments have been described by the limited drawings, those skilled in the art can make various modifications and variations from the above description. For example, the described techniques are performed in a different order than the described method, and / or the components of the described system, structure, device, circuit, etc. are combined or combined in a different form from the described method, or other components Alternatively, even if replaced or substituted by equivalents, appropriate results can be achieved. Therefore, other implementations, other embodiments, and equivalents to the claims are also within the scope of the following claims.

10: wearable terminal 20: body
30, 35: wearing part
40: external interface unit 45: external interface unit cover
100: power supply unit 200: electrode unit
210: first electrode 220: second electrode
230: third electrode 240: fourth electrode
300: detection circuit 400: bio-signal measurement circuit
500: display unit 600: storage unit
701, 703, 801, 901, 1001: sleep mode
702, 802, 902, 1002: Awake mode
810, 910, 1010: watch face
820, 920, 1020: Body composition measurement screen 830, 930, 1030: Heart rate measurement screen
840, 940, 1040: Walk number screen 850, 950, 1050: Walk time screen
860, 960, 1060: Burnout calorie screen 870, 970, 1070: Walking distance screen
880, 980, 1080: Remaining battery screen 890, 990, 1090: Screen off

Claims (23)

In the wearable terminal comprising a terminal body and a band connected to the terminal body to be worn on a part of the user's body,
Detection circuit;
A first electrode and a second electrode respectively connected to the detection circuit and spaced apart from each other on the front surface of the wearable terminal;
A third electrode and a fourth electrode respectively connected to the detection circuit and spaced apart from each other on the rear surface of the wearable terminal so as to contact a part of the body when the user wears it;
The user's skin contacts the first electrode, the second electrode, the third electrode, and the fourth electrode at the same time, and the detection circuit, the first electrode, the second electrode, the third electrode, and the user through the user. A control unit controlling the wearable terminal to perform a predetermined function when the fourth electrode forms a closed loop circuit as a signal path;
In the sleep mode of the wearable terminal, the user's contact is detected based on a first frequency, and in the awake mode of the wearable terminal, the user's contact is detected based on a second frequency higher than the first frequency. sensor; And
Storage unit for storing a plurality of functions and the frequency at which each function was performed
Including,
The sensor includes an acceleration sensor,
The control unit,
If a closed-loop circuit is formed or a user's touch gesture is sensed using sensing data output from the sensor, a predetermined function is performed,
Calculating the amount of impact applied to the wearable terminal using the sensing data output from the acceleration sensor to detect the touch gesture,
The wearable terminal sets the order in which the functions performed by the wearable terminal are changed in order of high frequency performed by comparing the frequency of the plurality of functions. According to claim 1,
The control unit,
When the signal path is formed in the sleep mode, the duration of the signal path is compared with a preset threshold, and when the duration is greater than the preset threshold, in the sleep mode A wearable terminal that switches to Awake Mode. According to claim 1,
The control unit,
When the awake mode detects the touch gesture, the wearable terminal sequentially changes the function performed by the wearable terminal. delete delete According to claim 1,
The wearable terminal,
A sensor that detects a user's contact; And
Storage unit for storing a plurality of functions and a plurality of contact gestures corresponding to the plurality of functions
Further comprising,
The control unit,
A user's touch gesture is detected using sensing data output from the sensor or a temporal pattern in which the signal path is formed, and which of the plurality of touch gestures the user's touch gesture matches is stored in the storage unit. The wearable terminal determines and reads a function corresponding to a matching touch gesture from the storage unit and controls to perform the read function. The method of claim 6,
The control unit,
Wearable for detecting the user's touch gesture using the sensing data or the temporal pattern, the amount of impact upon contact, the number of times of contact, the time of contact, the time interval between contacts, the contact area, or a combination thereof terminal. The method of claim 7,
The contact gesture,
A wearable terminal comprising at least one of a push action, a tap action, a slide action, a touch action, a rotation action, and a flick action. According to claim 1,
The preset function is a sender wearable terminal of information including the set information. The method of claim 9,
The wearable terminal is a beacon sender for sending the information. In the wearable terminal comprising a terminal body and a band connected to the terminal body to be worn on a part of the user's body,
Bio-signal measurement circuit;
A first electrode and a second electrode connected to the biosignal measurement circuit and spaced apart from each other on the front surface of the wearable terminal;
A third electrode and a fourth electrode connected to the biosignal measurement circuit and spaced apart from each other on the rear surface of the wearable terminal so as to contact a part of the body when the user wears it;
When another body part of the user, in which the wearable terminal is not worn, is in contact with the first electrode and the second electrode, it detects that the user's skin is in contact with the first to fourth electrodes, respectively. The biosignal measurement circuit, the first electrode, the second electrode, the third electrode and the fourth electrode are formed through the user by contacting the user's skin with the electrode to the fourth electrode to form a closed loop circuit as a signal path. When a predetermined time has elapsed in the state, a control unit for controlling at least one of the first to fourth electrodes to operate in a biosignal measurement mode;
In the sleep mode of the wearable terminal, the user's contact is detected based on a first frequency, and in the awake mode of the wearable terminal, the user's contact is detected based on a second frequency higher than the first frequency. sensor; And
Storage unit for storing a plurality of functions and the frequency at which each function was performed
Including,
The sensor includes an acceleration sensor,
The control unit,
If a closed-loop circuit is formed or a user's touch gesture is sensed using sensing data output from the sensor, a predetermined function is performed,
Calculating the amount of impact applied to the wearable terminal using the sensing data output from the acceleration sensor to detect the touch gesture,
The wearable terminal sets the order in which the functions performed by the wearable terminal are changed in order of high frequency performed by comparing the frequency of the plurality of functions. The method of claim 11,
When the wearable terminal operates in a bio-signal measurement mode,
The first electrode and the third electrode apply current to the user's body,
The second electrode and the fourth electrode detect the voltage of the body contact area,
The control unit calculates a user's bioimpedance based on the detected voltage and analyzes the user's body composition based on the bioimpedance. The method of claim 11,
The control unit,
A wearable terminal that detects that the first to fourth electrodes and the biosignal measurement circuit form a closed loop circuit and determines that a part of the user's body is in contact with the first to fourth electrodes. The method of claim 11,
The biosignal measurement mode,
A wearable terminal comprising at least one of a body composition measurement mode, an electrocardiogram measurement mode, a heart rate measurement mode, a blood flow rate measurement mode, and a blood pressure measurement mode. In the wearable terminal that can measure the user's physiological state or the user's movement,
Detection Circuit,
A first electrode and a second electrode respectively connected to the detection circuit and spaced apart from each other on the front surface of the wearable terminal;
A third electrode and a fourth electrode that are respectively connected to the detection circuit and are spaced apart from each other on the rear surface of the wearable terminal so as to contact a part of the body when the user wears;
The user's skin is in contact with the first electrode, the second electrode, the third electrode, and the fourth electrode at the same time, and the detection circuit, the first electrode, the second electrode, the third electrode, and the fourth through the user A control unit controlling the wearable terminal to perform a predetermined function when the electrode forms a closed loop circuit as a signal path;
In the sleep mode of the wearable terminal, the user's contact is detected based on a first frequency, and in the awake mode of the wearable terminal, the user's contact is detected based on a second frequency higher than the first frequency. sensor; And
Storage unit for storing a plurality of functions and the frequency at which each function was performed
Including,
The sensor includes an acceleration sensor,
The control unit,
If a closed-loop circuit is formed or a user's touch gesture is sensed using sensing data output from the sensor, a predetermined function is performed,
Calculating the amount of impact applied to the wearable terminal using the sensing data output from the acceleration sensor to detect the touch gesture,
The wearable terminal sets the order in which the functions performed by the wearable terminal are changed in order of high frequency performed by comparing the frequency of the plurality of functions. The method of claim 15,
The control unit,
When in the sleep mode, when a certain time elapses while the user's body is in contact with the first electrode and the second electrode at the same time, the wearable terminal switches from the sleep mode to the awake mode. The method of claim 15,
The control unit,
When the awake mode detects the touch gesture, the wearable terminal sequentially changes the function performed by the wearable terminal. delete delete The method of claim 17,
The wearable terminal,
A sensor that detects a user's contact; And
Storage unit for storing a plurality of functions and a plurality of contact gestures corresponding to the plurality of functions
Further comprising,
The control unit,
A user's touch gesture is sensed using a temporal pattern in which the user's body contacts the first electrode and the second electrode or sensing data output from the sensor, and a function corresponding to the detected touch gesture is provided from the storage unit. A wearable terminal that reads and controls to perform the read function. The method of claim 20,
The control unit,
Wearable for detecting the user's touch gesture using the sensing data or the temporal pattern, the amount of impact upon contact, the number of times of contact, the time of contact, the time interval between contacts, the contact area, or a combination thereof terminal. The method of claim 21,
The contact gesture,
A wearable terminal comprising at least one of a push action, a tap action, a slide action, a touch action, a rotation action, and a flick action. According to claim 1,
A wearable terminal in which the operation mode of the wearable terminal is switched from the awake mode to the sleep mode based on the duration of the state in which the closed loop circuit is formed in the awake mode.

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