CN103399653B - A kind of telescopic device, operation stick and measuring method - Google Patents
A kind of telescopic device, operation stick and measuring method Download PDFInfo
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- CN103399653B CN103399653B CN201310306907.6A CN201310306907A CN103399653B CN 103399653 B CN103399653 B CN 103399653B CN 201310306907 A CN201310306907 A CN 201310306907A CN 103399653 B CN103399653 B CN 103399653B
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Abstract
A kind of telescopic device, operation stick and measuring method；The telescopic device includes：Fixed grid electrode；Relative to the moving grid electrode of the fixed grid electrode movement；Exciting circuit, for the fixed grid electrode or moving grid electrode loading pumping signal；Measuring circuit, for measuring the movement with the moving grid electrode, the variable quantity for the output signal that mutual induction is formed, the displacement of the relatively described fixed grid electrode of the moving grid electrode is obtained according to the variable quantity of the output signal between the fixed grid electrode and moving grid electrode.The present invention can measure the displacement of extensible member, and damping when volume and retraction is smaller.
Description
Technical field
The present invention relates to three-dimensional interaction technique, more particularly to a kind of telescopic device, operation stick and measuring method.
Background technology
The tremendous development of portable mobile equipment also expedited the emergence of out many auxiliary input devices in recent years, and pen is as traditional
" input tool " is being widely used in all kinds of mobile phones, on tablet computer after special design.
The existing input pen species that shows for conventional two-dimensional is very much, such as can be used for the capacitance of capacitive touch screen
Pen, can vacantly position and realize pressure sensitivity time writer of style of writing etc..These pen-formed devices do not have the function of three-dimensional interaction at present.
Three-dimensional interaction pen is the dummy object being used in increasingly ripe 3D display technology in solid space with 3D display
A kind of interactive equipment.The equipment by measuring apparatus posture in itself, the position of relative screen and nib it is flexible come pair
Dummy object in 3D display interacts.
Unlike traditional input pen, this pen is except possessing traditional input pen the 2D plane positionings the characteristics of, also
The positioning in 3d space can be carried out at the same time.It is that a big innovation is special that its end extendible is interacted with the Virtual Space in screen
Point.
The content of the invention
The operation stick realized the technical problem to be solved in the present invention is to provide a kind of telescopic device and using the telescopic device
And measuring method, the displacement of extensible member can be measured, and damping when volume and retraction is smaller.
To solve the above-mentioned problems, the present invention provides a kind of telescopic device, including：
Fixed grid electrode；
Relative to the moving grid electrode of the fixed grid electrode movement；
Exciting circuit, for the fixed grid electrode or moving grid electrode loading pumping signal；
Measuring circuit, for measuring the movement with the moving grid electrode, between the fixed grid electrode and moving grid electrode mutually
The variable quantity for the output signal that sensing is formed, the relatively described fixed grid of the moving grid electrode is obtained according to the variable quantity of the output signal
The displacement of electrode.
Alternatively, the telescopic device further includes：Emission electrode, receiving electrode and reflecting electrode, the emission electrode and
Receiving electrode is arranged on one of described fixed grid electrode and moving grid electrode, and the reflecting electrode is arranged on the fixed grid
On another of electrode and moving grid electrode；
The pumping signal loading is on the emission electrode；The measuring circuit measures the sense that the receiving electrode produces
Induction signal；
The pumping signal is sine wave signal；
The measuring circuit obtains the relatively described fixed grid electrode of the moving grid electrode according to the variable quantity of the output signal
Displacement refers to：
The measuring circuit obtains moving grid electrode with respect to fixed grid according to the phase changing capacity of output signal by phase demodulating
The displacement of electrode.
Alternatively, the moving grid electrode is a cylindrical moving grid electrode bar, and the fixed grid electrode is dynamic around this for one
The cylinder of gate electrode rod, or the part for the cylinder.
Alternatively, the telescopic device further includes guide rail；
The fixed grid electrode is arranged on the guide rail surface, and the moving grid electrode is installed on the guide rail and can be along described
Guide rail moves.
Alternatively, the telescopic device further includes guide rail；
Housing；One end of the housing is equipped with the opening passed through for the moving grid electrode；
The guide rail is installed in the housing；
Resetting apparatus, for allowing the moving grid electrode to reset.
Alternatively, the resetting apparatus is an elastomeric element, is supported just split in the moving grid electrode with the housing
One end of mouth.
Alternatively, the effective area of the fixed grid electrode and moving grid electrode mutual induction with the movement of the moving grid electrode and
Change, so as to cause the output signal intensity that mutual induction is formed between the fixed grid electrode and moving grid electrode；
The fixed grid electrode and moving grid electrode mutual induction effective area is with the movement of the moving grid electrode and changing is
Refer to：
The part of housing is more described in the moving grid electrode retraction, is got over the effective area of the fixed grid electrode mutual induction
Greatly；The part that the moving grid electrode stretches out the housing is more, smaller with the effective area of the fixed grid electrode mutual induction.
Present invention also offers a kind of operation stick, including：Shell；
Above-mentioned telescopic device, is fixed on described shell one end；
Sense contravention, be fixed on the described one end of moving grid electrode away from the shell.
Alternatively, the operation stick further includes：
Wireless communication module, for sending the displacement.
Present invention also offers a kind of measuring method, applied in aforesaid operations rod, including：
To the moving grid electrode or fixed grid electrode loading pumping signal；
When the moving grid electrode is relative to the fixed grid electrode movement, measure between the fixed grid electrode and moving grid electrode
The variable quantity for the output signal that mutual induction is formed, it is relatively described to obtain the moving grid electrode according to the variable quantity of the output signal
The displacement of fixed grid electrode.
Compared with carrying out the method for displacement measurement using slide rheostat or grating, advantage is the embodiment of the present invention：Body
Product is small, and sensor and circuit system are easily incorporated in pen shaped arrangement, and measurement is accurate, and retraction structural damping is small；When as operation stick
In use, user experience good advantage fast with the accurate reaction speed of measurement.
Brief description of the drawings
Fig. 1 is the schematic block diagram of telescopic device in embodiment one；
Fig. 2 a are one of cross-sectional view of moving grid electrode and fixed grid electrode in embodiment one；
Fig. 2 b are two of the cross-sectional view of moving grid electrode and fixed grid electrode in embodiment one；
Fig. 3 is the schematic block diagram of example in embodiment two；
Fig. 4 a are one of use state diagram of operation stick in two example of embodiment；
Fig. 4 b are two of the use state diagram of operation stick in two example of embodiment.
Embodiment
Technical scheme is described in detail below in conjunction with accompanying drawings and embodiments.
If it should be noted that not conflicting, each feature in the embodiment of the present invention and embodiment can be tied mutually
Close, within protection scope of the present invention.In addition, though logical order is shown in flow charts, but in some situations
Under, can be with the steps shown or described are performed in an order that is different from the one herein.
Embodiment one, a kind of telescopic device, as shown in Figure 1, including：
Fixed grid electrode 11；
The moving grid electrode 12 moved relative to the fixed grid electrode 11；
Exciting circuit 13, for loading pumping signal to the fixed grid electrode 11 or moving grid electrode 12.
Measuring circuit 14, for measuring the movement with the moving grid electrode 12, the fixed grid electrode 11 and moving grid electrode 12
Between mutual induction formed output signal variable quantity, 12 phase of moving grid electrode is obtained according to the variable quantity of the output signal
Displacement to the fixed grid electrode.
In an embodiment of the present embodiment, the moving grid electrode 12 can be a cylindrical moving grid electrode bar,
The fixed grid electrode 11 can be as shown in Figure 2 a a cylinder for surrounding the moving grid electrode bar, or be the circle as shown in Figure 2 b
A part for cylinder.In other embodiment, moving grid electrode 12 can also be other shapes or pattern, as long as can be relative to fixed grid electricity
Move and with the mobile effective area changed with the 11 curved surface mutual induction of fixed grid electrode in pole 11；Moving grid electrode 12 may be used also
Movement can be also followed when the object moves to be covered in one relative on the body surface that fixed grid electrode 11 moves, and with
The mobile effective area changed with the 11 curved surface mutual induction of fixed grid electrode.
In present embodiment, the fixed grid electrode 11, the effective area of 12 curved surface mutual induction of moving grid electrode are with described dynamic
The movement of gate electrode 12 and change, and the difference of the effective area with mutual induction, fixed grid electrode 11 and moving grid electrode 12 it
Between mutual induction formed output signal can also be varied from.For example in a kind of alternative, the pumping signal is direct current
Pressure, then it is DC voltage to export signal, and amplitude and the displacement of the moving grid electrode 12 are linear.It is another alternative for another example
In scheme, the pumping signal is sine voltage, then export signal be with encourage with frequency sine voltage, its phase with
The approximately linear relation of displacement of the moving grid electrode 12, the variable quantity of the output signal is phase changing capacity, the measurement
Circuit 14 can obtain displacement of the moving grid electrode with respect to fixed grid electrode by phase demodulating.
In an embodiment of the present embodiment, the telescopic device can also include：Emission electrode, reflecting electrode and connect
Receive electrode；Emission electrode and receiving electrode are set on the fixed grid electrode 11, reflection electricity is set on the moving grid electrode 12
Pole；The pumping signal loading is on the emission electrode；The measuring circuit 14 measures the sensing that the receiving electrode produces
Signal.In the embodiment, the exciting circuit 13 and measuring circuit 14 as shown in Figure 1, respectively with the fixed grid electrode 11
Emission electrode is connected with receiving electrode；In another embodiment, reflecting electrode can be arranged on the fixed grid electrode 11, transmitting
Electrode and receiving electrode are arranged on the moving grid electrode 12.In other embodiments or exciting circuit 13 with
The electrode of pumping signal to be loaded is connected, and measuring circuit 14 is connected with producing the electrode of output signal.
In an embodiment of the present embodiment, the telescopic device can also include：
Guide rail；Can be certain mechanism for fixing the fixed grid electrode 11, such as hollow tube.
The guide rail can be designed to any shape according to beautiful and human engineering.It is alternative in one kind of present embodiment
Can be the longitudinal similar to nib in scheme.
In present embodiment, the fixed grid electrode 11 can be arranged on the guide rail surface, and the moving grid electrode 12 can be with
It can move on the guide rail and along the guide rail.
In an embodiment of the present embodiment, the telescopic device can also include：
Housing；One end of the housing is equipped with the opening passed through for the moving grid electrode 12；
The guide rail is installed in the housing；Accordingly, which can extend along the longitudinally of the housing；
Resetting apparatus, for allowing the moving grid electrode 12 to reset.
In present embodiment, the resetting apparatus can be, but not limited to as an elastomeric element, such as spring, support described dynamic
Gate electrode 12 and one end of face opening in the housing.
In the embodiment, the fixed grid electrode 11, the effective area of 12 curved surface mutual induction of moving grid electrode are with described dynamic
The movement of gate electrode and change and refer to：
The part of housing is more described in 12 retraction of moving grid electrode, with having for the 11 curved surface mutual induction of fixed grid electrode
It is bigger to imitate area；The part that the moving grid electrode 12 stretches out the housing is more, with the 11 curved surface mutual induction of fixed grid electrode
Effective area it is smaller.
The change of effective area will cause the output signal for sensing formation between fixed grid electrode 11 and moving grid electrode 12 to occur
Change, displacement of the moving grid electrode relative to fixed grid electrode can be restored by the change.
Embodiment two, a kind of operation stick, including：
Shell；
It is fixed on the telescopic device of described shell one end；The telescopic device can be in embodiment one and its various embodiments
Any one；
Sense contravention, be fixed on the described one end of moving grid electrode away from the shell；Sensing contravention is made of inductive material.
The operation stick can be, but not limited to as the operation stick of a form of a stroke or a combination of strokes.
In an embodiment of the present embodiment, described shell one end is equipped with the opening passed through for the moving grid electrode；Institute
State the inside that telescopic device is fixed on described shell aperture one end.
In an embodiment of the present embodiment, the operation stick can also include wireless communication module, for sending
State displacement.The wireless communication module can be transmitted using any communication, including Wi-Fi, bluetooth, red
Outside, radio frequency etc..The equipment that the operation stick is operating, such as mobile phone, tablet computer etc. can receive the displacement.
One specific example of the present embodiment as shown in figure 3, operation stick is an operating pen in the example, open by its shell one end
Mouthful, moving grid electrode bar 22 passes through from the opening, and the guide rail 24 that fixed grid electrode 23 is covered along surface moves, and can be retracted in shell
Portion, can also protrude shell.Sensing contravention 21 is fixed on the described one end of moving grid electrode bar 22 away from shell, so that the operation
Rod can operate the touch-screen of such as equipment such as mobile phone, tablet computer.Sense contravention 21 and common group of the moving grid electrode bar
Into a telescopic tip, original state is the stretching shell；Set when the sensing contravention 21 on the tip is contacted by operation
During standby 31 touch-screen 32, since pressure effect will be retracted, as shown in fig. 4 a, which can determine that by measuring circuit 26
The retraction degree at end, and sent by the wireless communication module 27；When the tip is withdrawn from touch-screen 32, the moving grid
Electrode bar 22 can be recovered under the action of resetting apparatus 25 according to the distance withdrawn, and pass through 26 energy of measuring circuit
Determine the retraction recovery extent at the tip, and sent by the wireless communication module 27；When sensing contravention 21 and touch-screen 32
Separation, pressure disappear, and moving grid electrode bar 22 can recover initial position under the action of resetting apparatus 25, as shown in Figure 4.At this
During a, the resistance that user experiences is extremely slight.And in this process, sense contravention 21 and by operation equipment 31
32 mutual induction of touch-screen, with to the content being shown on touch-screen 32 carry out relevant operation.
Can be according to the retraction degree and retraction recovery extent received, the retraction of real-time rendering operating pen by operation equipment 31
Part is simultaneously shown on touch-screen 32, is allowed user to encounter generation operating pen after touch-screen 32 is retracted in operation pen tip and is put in screen
The use feeling of curtain.
Embodiment three, a kind of measuring method, is applied described by any of embodiment two and its each embodiment, example
Operation stick in, including：
To the moving grid electrode or fixed grid electrode loading pumping signal；
When the moving grid electrode is along the fixed grid electrode movement, measure between the fixed grid electrode and moving grid electrode mutually
The variable quantity for the output signal that sensing is formed, the relatively described fixed grid of the moving grid electrode is obtained according to the variable quantity of the output signal
The displacement of electrode.
In an embodiment of the present embodiment, the moving grid electrode can be a moving grid electrode bar, the fixed grid electricity
Extremely can be one around the moving grid electrode bar cylinder, an or part for the cylinder；The pumping signal is sine wave signal, should
The measuring principle of embodiment is：Moving grid electrode bar and fixed grid electricity during moving grid electrode bar is retracted the housing or recovers
Relative displacement occurs between pole, changes the effective area of two electrode curved surface mutual inductions, linear displacement is converted into output letter
Number phase difference, then by the phase difference carry out phase demodulating obtain displacement.
In an embodiment of the present embodiment, the method can also include：
Send the displacement.
Certainly, the present invention can also have other various embodiments, ripe in the case of without departing substantially from spirit of the invention and its essence
Know those skilled in the art and make various corresponding changes and deformation in accordance with the present invention, but these change and become accordingly
Shape should all belong to the scope of the claims of the present invention.
Claims (8)
- A kind of 1. telescopic device, it is characterised in that including：Fixed grid electrode；Relative to the moving grid electrode of the fixed grid electrode movement；Exciting circuit, for the fixed grid electrode or moving grid electrode loading pumping signal；Measuring circuit, for measuring the movement with the moving grid electrode, mutual induction between the fixed grid electrode and moving grid electrode The variable quantity of the output signal of formation, the relatively described fixed grid electrode of the moving grid electrode is obtained according to the variable quantity of the output signal Displacement；Wherein, the moving grid electrode is a cylindrical moving grid electrode bar, and the fixed grid electrode is for one around the moving grid electrode The cylinder of rod, or the part for the cylinder；The telescopic device further includes：Emission electrode, receiving electrode and reflecting electrode, the emission electrode and receiving electrode are all provided with Put on one of the fixed grid electrode and moving grid electrode, and the reflecting electrode is arranged on fixed grid electrode and the moving grid electricity On another of pole；The pumping signal loading is on the emission electrode；The measuring circuit measures the sensing letter that the receiving electrode produces Number；The pumping signal is sine wave signal；The measuring circuit obtains the displacement of the relatively described fixed grid electrode of the moving grid electrode according to the variable quantity of the output signal Refer to：The measuring circuit obtains moving grid electrode with respect to fixed grid electrode according to the phase changing capacity of output signal by phase demodulating Displacement.
- 2. telescopic device as claimed in claim 1, it is characterised in that further include：Guide rail；The fixed grid electrode is arranged on the guide rail surface, and the moving grid electrode is installed on the guide rail and can be along the guide rail It is mobile.
- 3. telescopic device as claimed in claim 2, it is characterised in that further include：Housing；One end of the housing is equipped with the opening passed through for the moving grid electrode；The guide rail is installed in the housing；Resetting apparatus, for allowing the moving grid electrode to reset.
- 4. telescopic device as claimed in claim 3, it is characterised in that：The resetting apparatus is an elastomeric element, supports one end of the face opening in the moving grid electrode and the housing.
- 5. telescopic device as claimed in claim 3, it is characterised in that：The fixed grid electrode and the effective area of moving grid electrode mutual induction change with the movement of the moving grid electrode, so as to draw Play the output signal intensity that mutual induction is formed between the fixed grid electrode and moving grid electrode；The fixed grid electrode and the effective area of moving grid electrode mutual induction change and refer to the movement of the moving grid electrode：The part of housing is more described in the moving grid electrode retraction, bigger with the effective area of the fixed grid electrode mutual induction； The part that the moving grid electrode stretches out the housing is more, smaller with the effective area of the fixed grid electrode mutual induction.
- 6. a kind of operation stick, including：Shell；It is characterized in that, further include：Such as telescopic device according to any one of claims 1 to 5, described shell one end is fixed on；Sense contravention, be fixed on the described one end of moving grid electrode away from the shell.
- 7. operation stick as claimed in claim 6, it is characterised in that further include：Wireless communication module, for sending the displacement.
- 8. a kind of measuring method, applied in the operation stick as any one of claim 6 or 7, including：To the moving grid electrode or fixed grid electrode loading pumping signal；When the moving grid electrode is relative to the fixed grid electrode movement, measure between the fixed grid electrode and moving grid electrode mutually The variable quantity for the output signal that sensing is formed, the relatively described fixed grid of the moving grid electrode is obtained according to the variable quantity of the output signal The displacement of electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310306907.6A CN103399653B (en) | 2013-07-19 | 2013-07-19 | A kind of telescopic device, operation stick and measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310306907.6A CN103399653B (en) | 2013-07-19 | 2013-07-19 | A kind of telescopic device, operation stick and measuring method |
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| CN103399653A CN103399653A (en) | 2013-11-20 |
| CN103399653B true CN103399653B (en) | 2018-04-27 |
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| CN201310306907.6A Active CN103399653B (en) | 2013-07-19 | 2013-07-19 | A kind of telescopic device, operation stick and measuring method |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103984425B (en) * | 2014-04-25 | 2017-01-04 | 深圳超多维光电子有限公司 | The operation rod mutual for stereo display and the control method of operation rod |
| EP3314378B1 (en) * | 2015-06-26 | 2020-12-30 | Samsung Electronics Co., Ltd. | Input device and electronic apparatus for receiving signal from the input device |
| CN107152939A (en) * | 2017-04-25 | 2017-09-12 | 上海与德科技有限公司 | The human testing circuit and method of terminal |
| CN114754661A (en) * | 2022-04-15 | 2022-07-15 | 北京纳米能源与系统研究所 | Intelligent crack monitoring device based on friction nano generator |
| CN117539366A (en) * | 2024-01-09 | 2024-02-09 | 基合半导体（宁波）有限公司 | Capacitive detection structure and electronic equipment |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2343572Y (en) * | 1998-08-20 | 1999-10-13 | 陈其良 | Capacitance gate type digital display sliding calliper |
| US7141988B2 (en) * | 2003-07-01 | 2006-11-28 | Tiax Llc | Capacitive position sensor and sensing methodology |
| CN102426486B (en) * | 2011-11-03 | 2013-08-07 | 深圳超多维光电子有限公司 | Stereo interaction method and operated apparatus |
| CN102508561B (en) * | 2011-11-03 | 2013-11-06 | 深圳超多维光电子有限公司 | Operating rod |
| CN102880318A (en) * | 2012-08-31 | 2013-01-16 | 鸿富锦精密工业（深圳）有限公司 | Handwriting pen and capacitive pressure sensing element thereof |
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Effective date of registration: 20180713 Address after: 518000 Room 201, building A, No. 1, Qian Wan Road, Qianhai Shenzhen Hong Kong cooperation zone, Shenzhen, Guangdong (Shenzhen Qianhai business secretary Co., Ltd.) Patentee after: Shenzhen super Technology Co., Ltd. Address before: 518053 H-1 Tung 101, overseas Chinese town, Nanshan District, Shenzhen, Guangdong. Patentee before: Shenzhen SuperD Photoelectronic Co., Ltd. |
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