CN104218305B - AM/FM mains antenna - Google Patents
AM/FM mains antenna Download PDFInfo
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- CN104218305B CN104218305B CN201310210399.1A CN201310210399A CN104218305B CN 104218305 B CN104218305 B CN 104218305B CN 201310210399 A CN201310210399 A CN 201310210399A CN 104218305 B CN104218305 B CN 104218305B
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Abstract
A kind of AM/FM mains antenna，Wherein power line one end in rear end has the adapter being connected to vehicle power，And the another end in rear end power line is provided with rear end inductance，And at the inductance of rear end, extend front end antenna，And front end antenna is provided with bottom tuning coil with respect to the another end of rear end inductance，And bottom tuning coil is provided with antenna amplifier antennafire with respect to the another end of front end antenna，Again radio is connected to by the joint of antenna amplifier antennafire extended signal transmission feeder line，Just power pack noise surging can be filtered by rear end inductance，And reduce the impact to front end antenna for the rear end power line，And resonant frequency and the frequency range of antenna can be adjusted by adjusting front end antenna length and bottom tuning coil，Assist adjustment impedance matching，Pass through AM/FM transmission of wireless signals that front end antenna received by signal transmission feeder line again to radio，And there is the function of radio reception，And bigger frequency range and more preferable impedance matching value can be obtained，And then lift its overall signal reception.
Description
Technical field
The present invention is to provide a kind of AM/FM mains antenna, and espespecially rear end power line is provided with rear end inductance and filters
Power pack noise surging, and the front end antenna another end extended by rear end inductance is provided with bottom tuning coil regulation antenna
Resonant frequency and frequency range, assist adjustment impedance matching, and then lift its overall signal reception.
Background technology
Social life level fast lifting now, for each side such as the clothing in daily life system, food, shelter, row and amusements
Require more and more high, practicality is better and better, and the aspect being expert at, in addition to typically common automobile, various motor buses, goods
Car, truck etc. advocate the pathogenic wind of amusement and travel and increasingly prevailing also with work requirements with masses, it has also become modern gos out generation
Walk the indispensable vehicles.
Furthermore, with the popularization of the above-mentioned vehicles, so that audience is mostly had onboard and pass through the electricity such as radio, automobile audio
The custom in sub- equipment broadcast listening radio station, adds that on ordinary days on and off duty, continuous traffic congestion in rush hour vacation is more serious, is significantly increased
The chance in audience's broadcast listening radio station, such as listens to real-time road condition information, music, same day news, amusement and recreation information etc., and carries
Supply the sizable convenience of driver and meet audience's many information demand.
However, the current electronic equipment such as vehicle-mounted radio, automobile audio typically all has two amplitude modulation（AM）With frequency modulation
（FM）Frequency range, and all can carry out receiving AM/FM broadcast singal by antenna when broadcast listening radio station, then by filter
After ripple, amplification etc. are processed, loudspeaker or earphone is just can be utilized to be converted to sound wave and broadcast, and because AM/FM broadcast singal is with even
Continue continual electromagnetic wave（I.e. analogue signal）Transmit and easily affected by noise jamming, so antenna receiving quality accounts for
There is critical role, the car antenna being generally used on automobile can be divided mainly into built-in aerial and external antenna, and Yian
Dress pattern can be divided into patch glass type, rod-type, sucker or inhale rooftop, screw-type, edge formula etc., just can be in the windshield of automobile
Upper arrangement tinsel is as antenna, or the mast antenna of car roof, fin antenna carry out receipt signal as antenna, only
This existing antenna all needs individually designed AM/FM antenna, does not only take up certain volume and space, and can cause to install
Relatively complicated and inconvenient, and then so that overall package man-hour cannot be effectively reduced with cost, and because of existing antenna and radio, automobile
The amplifier of the electronic equipment internal such as sound equipment is separately to design, and causes the feeder line required for existing antenna to connect longer and make cost
Improve, then need to be engaged in this journey dealer and redesign in addition effectively solving.
Therefore, inventor, in view of the problem of existing antenna and disappearance, is to collect related data via in many ways assessing and consider,
And constantly studied using the experience of research and development for many years engaging in the industry and change, begin to design this kind of AM/FM power line sky
Line patent of invention is born.
Content of the invention
The main object of the present invention is in that to provide a kind of AM/FM mains antenna, and rear end power line one end has
It is connected to the adapter on vehicle power, and extend front end antenna at the rear end inductance of rear end power line another end, and front end
Antenna is provided with bottom tuning coil with respect to the another end of rear end inductance, and bottom tuning coil sets with respect to the another end of front end antenna
There is antenna amplifier antennafire, more wireless input port be connected to by the joint of antenna amplifier antennafire extended signal transmission feeder line,
Just the noise surging of power pack can be filtered by rear end inductance, and make rear end power line form isolation with front end antenna, to subtract
The impact to front end antenna for few rear end power line, and can be big by adjusting the inductance value of front end antenna length and bottom tuning coil
The resonant frequency of minor adjustment antenna and frequency range, are assisted adjustment impedance matching, then are connect front end antenna by signal transmission feeder line
The AM/FM transmission of wireless signals received, to radio, and has good function of radio receiver, and then lifts its overall signal and connect
Produce effects really.
The secondary objective of the present invention is in that to provide a kind of AM/FM mains antenna, can be by antenna amplifier antennafire
Housing is installed on below radio rear end or the instrument board of vehicle body, and makes the adapter of rear end power line be connected to vehicle mounted electric
Source provides 9～16V output voltage, and the joint of signal transmission feeder line is connected to wireless input port, to receive AM/F
M wireless signal and there is the function of radio reception, this kind of can be directly to be integrated into one by rear end power line and front end antenna, with
Reduce it and take the volume of vehicle body and space, and be effectively reduced single front end antenna and separately design with antenna amplifier antennafire
Caused install loaded down with trivial details and inconvenient, and the use length of signal transmission feeder line can be shortened, and then reach that structure is simple, assembling
Easily and the more cheap effectiveness of cost.
Another object of the present invention is in that to provide a kind of AM/FM mains antenna, and front end antenna can pass through antenna
AM/FM wireless signal is amplified and adjusts input and output coupling by amplifier, and the input in antenna amplifier antennafire adopts
Bottom Loading Method improves the frequency range of front end antenna, assists adjustment antenna amplifier antennafire to reach impedance matching, thus obtaining with front end antenna
Obtain bigger frequency range and more preferable impedance matching value.
Another object of the present invention is in that to provide a kind of AM/FM mains antenna, the circuit of this antenna amplifier antennafire
Plate is provided with FM input filter match circuit and AM input filter match circuit, and by FM input filter match circuit,
AM input filter match circuit is connected to FM amplifying circuit and AM amplifying circuit, and FM amplifying circuit, AM
Amplifying circuit is connected to FM output filtering match circuit and AM output filtering match circuit, then exports filtering by FM
Match circuit, AM output filtering match circuit are parallel with a power supply filter circuit, and FM input filter match circuit and A
The input of M input filter match circuit is parallel with an electrostatic protector, and it is defeated with AM to export filtering match circuit in FM
The outfan going out to filter match circuit is also parallel with an electrostatic protector, and front end antenna and FM input filter match circuit,
It is in series with a filtering capacitance, to avoid the direct current of filter circuit power pack of powering between AM input filter match circuit
Electricity enters directly in FM input filter match circuit and AM input filter match circuit, reduces supply voltage to circuit
Impact, and help filter the noise surging of power pack.
In order to achieve the above object, the present invention provide a kind of AM/FM mains antenna, include rear end power line,
Rear end inductance, front end antenna, bottom tuning coil, antenna amplifier antennafire and signal transmission feeder line, wherein this rear end power line one end
There is the adapter being connected to default vehicle power, and the another end in rear end power line is provided with rear end inductance, and at the inductance of rear end
Extend front end antenna, and front end antenna is provided with bottom tuning coil with respect to the another end of rear end inductance, and bottom tuning coil
It is provided with antenna amplifier antennafire with respect to the another end of front end antenna, then extended the signal transmission feedback providing joint by antenna amplifier antennafire
Line, and joint is connected to default wireless input port.
Wherein, extend wire at the adapter of this rear end power line, and rear end inductance has magnetic conductor, and in magnetic conductor
On be arranged with the coil that the wire of the pre- fixing turn of rear end power line is constituted, and coil outer is coated with a heat-shrinkable T bush.
Wherein, this front end antenna has wire, and bottom tuning coil has magnetic conductor, and before being arranged with the magnetic conductor
The coil that the wire of the end pre- fixing turn of antenna is constituted, and coil outer is coated with a heat-shrinkable T bush.
Wherein, this antenna amplifier antennafire includes housing and the circuit board being positioned in housing, and is provided with combination in housing
Fixed plate in default vehicle body.
Wherein, this antenna amplifier antennafire has circuit board, and be provided with circuit board can be defeated with the FM of front end sky line parallel
Enter to filter match circuit and AM input filter match circuit, and by FM input filter match circuit, AM input filter
Distribution road is connected to FM amplifying circuit and AM amplifying circuit, and each FM amplifying circuit, AM amplifying circuit are respectively
It is connected with the FM output filtering match circuit being connected and AM output filtering match circuit with signal transmission feeder line, then by F
M output filtering match circuit, AM output filtering match circuit are parallel with the power supply filtered electrical being connected with rear end power line
Road.
Wherein, the input of the FM input filter match circuit of this antenna amplifier antennafire and AM input filter match circuit
It is parallel with an electrostatic protector, and in parallel in the outfan that FM exports filtering match circuit with AM exports filtering match circuit
There is an electrostatic protector.
Wherein, the front end antenna of this antenna amplifier antennafire mates electricity with FM input filter match circuit, AM input filter
It is in series with a filtering capacitance between road.
Wherein, the joint of this signal transmission feeder line is a radio-frequency joint.
The present invention can obtain bigger frequency range and more preferable impedance matching value, and then lifts its overall signal reception effect
Really.
Brief description
Fig. 1 is the stereo appearance figure of the present invention.
Fig. 2 is the three-dimensional exploded view of the present invention.
Fig. 3 is the circuit diagram of inventive antenna amplifier.
Fig. 4 is that the standing-wave ratio of the present invention measures figure.
Fig. 5 is the amount of resistance mapping of the present invention.
Fig. 6 is that the return loss of the present invention measures figure.
Description of reference numerals：
1- rear end power line；11- adapter；12- wire；2- rear end inductance；21- magnetic conductor；22- coil；23- thermal shrinkable sleeve
Pipe；3- front end antenna；31- wire；4- bottom tuning coil；41- magnetic conductor；42- coil；43- heat-shrinkable T bush；5- antenna amplifies
Device；50- housing；501- fixed plate；51- circuit board；511-FM input filter match circuit；512-AM input filter mates
Circuit；513-FM amplifying circuit；514-AM amplifying circuit；515-FM output filtering match circuit；516-AM exports
Filtering match circuit；517- powers filter circuit；518- electrostatic protector；519- filters capacitance；6- signal transmission feeder line；
61- joint.
Specific embodiment
For reaching above-mentioned purpose and effect, the technology used in the present invention means and its construction, hereby draw with regard to the present invention's
Its construction of preferred embodiment elaborate is as follows with function, understands completely in order to profit.
Refer to shown in Fig. 1 to Fig. 3, respectively the stereo appearance figure of the present invention, three-dimensional exploded view and antenna amplifier antennafire
Circuit diagram, by figure it can be seen that, the present invention be include rear end power line 1, rear end inductance 2, front end antenna 3, bottom adjust
Humorous inductance 4, antenna amplifier antennafire 5 and signal transmission feeder line 6, wherein this rear end power line 1 one end have adapter 11, and by connecting
Extend the wire 12 with single or multicore at device 11, and wire 12 be provided with rear end inductance 2 with respect to the another end of adapter 11,
And rear end inductance 2 has the magnetic conductor 21 that can be constituted by magnetic core, stalloy or other magnetic material and straight on magnetic conductor 21
Connect and be arranged with the coil 22 that pre- fixing turn wire 12 is constituted, and at the coil 22 of rear end inductance 2, also extend front end antenna 3 and have
There is the wire 31 of single or multicore.
Furthermore, front end antenna 3 is provided with bottom tuning coil 4 with respect to the another end of rear end inductance 2, its bottom tuning coil 4
Also there is the magnetic conductor 41 that can be constituted by magnetic core, stalloy or other magnetic material, and be directly arranged with magnetic conductor 41
The coil 42 that pre- fixing turn wire 31 is constituted, and coil 42 is provided with antenna amplifier antennafire 5 with respect to the another end of front end antenna 3, then
Extended the signal transmission feeder line 6 providing joint 61 by antenna amplifier antennafire 5, and this joint 61 can be the radio frequency of various types（R
F）Joint.
However, the rear end inductance 2 of the present invention is preferably implemented as a core inductance, inductance value for 8uH or can be more than 8u
H, mainly enters to front end antenna 3 in order to filter the noise surging of power pack by rear end power line 1, in antenna amplifier antennafire 5
And have influence on the effect of overall radio reception, and make rear end power line 1 and front end antenna 3 can form isolation, to reduce rear end power line 1
Impact to front end antenna 3, and the inductance value of bottom tuning coil 4 be can between 100～500nH, and can be utilized change
The winding turns of type transformer coil 42 and magnetic conductor 41 material adjusting inductance value size, the inductance value needed for bottom tuning coil 4
Magnetic conductor 41 can directly be removed to reduce inductance value when less, and during this rear end inductance 2 is actually used with bottom tuning coil 4,
Also a heat-shrinkable T bush 23,43 can be coated with respectively outside coil 22,42, with avoid rear end inductance 2, bottom tuning coil 4 with
Damage in structure caused by car body collision or destruction, and can prevent because rear end inductance 2, bottom tuning coil 4 mutual with car body
Contact and produce short-circuit phenomenon.
Additionally, the length of above-mentioned front end antenna 3 is preferably implemented can be more than 300mm, and front end antenna 3 can pass through sky
The inductance value size of the length of lineation view whole front end antenna 3 and bottom tuning coil 4 is adjusting the resonant frequency at center and frequency
Width, so front end antenna 3 can make the adjustment of length according to the resonant frequency being actually needed and the electric parameter such as frequency range and impedance matching,
To determine the optimal length use of front end antenna 3, and the faint AM that front end antenna 3 then can be received by antenna amplifier antennafire 5
（Amplitude modulation）/ FM（Frequency modulation）Wireless signal amplifies, and is exported by the joint 61 of signal transmission feeder line 6 end.
Again antenna amplifier antennafire 5 includes housing 50 and the circuit board 51 being positioned within housing 50, wherein this circuit board 51
It is provided with FM input filter match circuit 511 that can be in parallel with front end antenna 3 and AM input filter match circuit 512, and
By FM input filter match circuit 511, AM input filter match circuit 512 be connected to FM amplifying circuit 513 and
AM amplifying circuit 514, and each FM amplifying circuit 513, AM amplifying circuit 514 be connected to can be with signal transmission feeder line
The FM output filtering match circuit 515 of 6 connections and AM output filtering match circuit 516, then by FM output filtering coupling
Circuit 515, AM output filtering match circuit 516 are parallel with the power supply filter circuit 517 being connected with rear end power line 1, and
FM input filter match circuit 511 is parallel with an electrostatic protector 518 with the input of AM input filter match circuit 512
Circuit is carried out with electrostatic protection, and exports the output of filtering match circuit 515 and AM output filtering match circuit 516 in FM
End is also parallel with an electrostatic protector 518 and carries out electrostatic protection to circuit, to suppress abnormal voltage, noise and Electromagnetic Interference,
And it is in series with a filter between this front end antenna 3 and FM input filter match circuit 511, AM input filter match circuit 512
Ripple capacitance 519, enters directly into FM input filter coupling with the unidirectional current avoiding power supply filter circuit 517 power pack
In circuit 511 and AM input filter match circuit 512, reduce the impact to circuit of the supply voltage of power supply filter circuit 517,
And help filter the noise surging of power pack.
The AM/FM mains antenna of the present invention is to can be applicable to automobile, motor buses, truck body inside or other friendship
Use on logical instrument, just the housing 50 of antenna amplifier antennafire 5 can be incorporated into after the radio of vehicle body using fixed plate 501
Below end, instrument board or other appropriate location, and the adapter 11 of rear end power line 1 then can be utilized the mode of grafting to be connected to car
Carry in the socket of power supply any position, and the output voltage of 9～16V to be provided by the socket of vehicle power, and signal transmission feedback
The joint 61 of line 6 is connected in wireless input port using the mode of grafting, to receive AM/FM wireless signal, and has
Have a function of radio reception, this kind of rear end power line 1 and front end antenna 3 directly can be integrated into one, take car body to reduce it
Internal volume and space, and it is effectively reduced single front end antenna 3 with antenna amplifier antennafire 5 because separating installation caused by design
Loaded down with trivial details and inconvenient in operation, and the use length of signal transmission feeder line 6 can be shortened, so reach that structure is simple, assembling easily
And the more cheap effectiveness of production cost.
When the present invention is when using, it is first for being connected to the vehicle mounted electric of vehicle body by the adapter 11 of rear end power line 1
It is powered on source, and is filtered the noise surging of power pack by rear end inductance 2, you can rear end power supply is made by rear end inductance 2
Line 1 forms isolation with front end antenna 3, to reduce the impact to front end antenna 3 of the length of rear end power line 1, then is adjusted by bottom
Humorous inductance 4 adjusts resonant frequency and the frequency range at front end antenna 3 center, when front end antenna 3 receives AM/FM wireless signal,
By antenna amplifier antennafire 5, AM/FM wireless signal can be amplified and adjust input and output coupling, and in antenna amplifier antennafire 5
Input adopt bottom Loading Method to improve the frequency range of front end antenna 3, assist adjustment antenna amplifier antennafire 5 to reach with front end antenna 3
Impedance matching, and antenna amplifier antennafire 5 then can be connected to radio by the joint 61 of signal transmission feeder line 6, makes antenna amplifier antennafire 5
Outfan and radio reach impedance matching, then by signal transmission feeder line 6, the signal transmission after amplification is entered to radio
Row receives and has the function of radio reception.
Please arrange in pairs or groups refering to Fig. 4 to shown in 6, the standing-wave ratio of the respectively present invention measures figure, amount of resistance mapping and return loss
Measure figure, by figure it can be seen that, the present invention is to filter the noise surging of power pack using rear end inductance 2, and after reducing
The impact to front end antenna 3 for the length of end power line 1, and the resonance frequency of front end antenna 3 can be adjusted by bottom tuning coil 4
Rate, and the input of antenna amplifier antennafire 5 improves front end antenna 3 frequency range using bottom Loading Method and assistance adjusts impedance matching.
The front end antenna 3 of the present invention in 88MHz frequency, measured standing-wave ratio（VSWR）For 4 1698, hinder
Anti-（R+jX）For 13 031-j18 325 Ω, return loss（RL）For -4 396dB；Front end antenna 3 is in 98MHz
During frequency, standing-wave ratio is 1 2857, and impedance is 41 193-j7 4839 Ω, and return loss is -18 003dB；Front end antenna 3
In 108MHz frequency, standing-wave ratio is 2 9920, and impedance is 42 758-j51 797 Ω, and return loss is -6 1452d
B；And the frequency range that front end antenna 3 is less than -3dB in minimum requirements return loss is between 85 54～116 66MHz,
Its frequency range reaches more than 30MHz, is the 20MHz frequency range between 87 5～108MHz much larger than general FM frequency range, and
The return loss minimum point of front end antenna 3, when that is, the resonant frequency point of antenna is 99MHz, its return loss reaches -19 5d
B, far beyond being standard less than -10dB in industry specification antenna return loss, the therefore AM/FM power supply of the present invention
Wire antenna can obtain bigger frequency range and more preferable impedance matching value, and then lifts the reception of AM/FM wireless signal.
The foregoing is only presently preferred embodiments of the present invention, non-the scope of the claims therefore limiting to the present invention, this
Bright is to have the adapter 11 being connected on vehicle power mainly for rear end power line 1 one end, and in rear end power line 1 another end
Rear end inductance 2 at extend front end antenna 3, and front end antenna 3 is provided with bottom tuning coil with respect to the another end of rear end inductance 2
4, and bottom tuning coil 4 is provided with antenna amplifier antennafire 5 with respect to the another end of front end antenna 3, then extended by antenna amplifier antennafire 5
The joint 61 going out signal transmission feeder line 6 is connected to wireless input port, just can filter power pack noise by rear end inductance 2
Surging, and make rear end power line 1 form isolation with front end antenna 3, to reduce the impact to front end antenna 3 for the rear end power line 1, and
Can pass through to adjust the length of front end antenna 3 and the resonant frequency of inductance value size adjustment antenna of bottom tuning coil 4 and frequency range,
Assist adjustment impedance matching, then AM/FM transmission of wireless signals front end antenna 3 being received by signal transmission feeder line 6
To radio, and bigger frequency range and more preferable impedance matching value can be obtained, and then lift its overall signal reception, therefore
Such as the form that may achieve foregoing advantages all should be covered by the present invention, and this kind of simple modification and its equivalent structure change, all should
It is contained in the same manner in the scope of the claims of the present invention, close and give Chen Ming.
In sum, the above-mentioned AM/FM mains antenna of the present invention is really to reach its effect and purpose, therefore this
Invention is really the excellent invention of a practicality, meets the application important document of patent of invention in fact, files an application in whence in accordance with the law.
Claims (8)
1. a kind of AM/FM mains antenna is it is characterised in that include rear end power line, rear end inductance, front end antenna, bottom
Tuning coil, antenna amplifier antennafire and signal transmission feeder line, wherein this rear end power line one end have and are connected to default vehicle power
Adapter, and the another end in rear end power line is provided with rear end inductance, and extends front end antenna at the inductance of rear end, and front end sky
Line is provided with bottom tuning coil with respect to the another end of rear end inductance, and bottom tuning coil is provided with respect to the another end of front end antenna
Antenna amplifier antennafire, then the signal transmission feeder line providing joint is extended by antenna amplifier antennafire, and joint is connected to default radio
Input port.
2. AM/FM mains antenna according to claim 1 is it is characterised in that prolong at the adapter of this rear end power line
Stretch out wire, and rear end inductance has magnetic conductor, and the wire institute structure of the pre- fixing turn of rear end power line is arranged with magnetic conductor
The coil becoming, and coil outer is coated with a heat-shrinkable T bush.
3. AM/FM mains antenna according to claim 1 is it is characterised in that this front end antenna has wire, and bottom
Tuning coil has magnetic conductor, and is arranged with the coil that the wire of the pre- fixing turn of front end antenna is constituted on magnetic conductor, and line
Circle is outside to be coated with a heat-shrinkable T bush.
4. AM/FM mains antenna according to claim 1 it is characterised in that this antenna amplifier antennafire include housing and
It is positioned the circuit board in housing, and be provided with the fixed plate being incorporated into default vehicle body in housing.
5. AM/FM mains antenna according to claim 1 is it is characterised in that this antenna amplifier antennafire has circuit board, and
In circuit board be provided with can with the FM input filter match circuit of front end sky line parallel and AM input filter match circuit, and by
FM input filter match circuit, AM input filter match circuit are connected to FM amplifying circuit and AM amplifying circuit, and each FM
Amplifying circuit, AM amplifying circuit are connected to the FM output filtering match circuit being connected with signal transmission feeder line and AM is defeated
Go out to filter match circuit, then filtering match circuit is exported by FM, be parallel with can be with rear end power supply for AM output filtering match circuit
The power supply filter circuit that line connects.
6. AM/FM mains antenna according to claim 5 is it is characterised in that the FM input filter of this antenna amplifier antennafire
Match circuit is parallel with an electrostatic protector with the input of AM input filter match circuit, and exports filtering match circuit in FM
The outfan exporting filtering match circuit with AM is parallel with an electrostatic protector.
7. AM/FM mains antenna according to claim 5 it is characterised in that the front end antenna of this antenna amplifier antennafire with
It is in series with a filtering capacitance between FM input filter match circuit, AM input filter match circuit.
8. AM/FM mains antenna according to claim 1 is it is characterised in that the joint of this signal transmission feeder line is one
Radio-frequency joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310210399.1A CN104218305B (en) | 2013-05-30 | 2013-05-30 | AM/FM mains antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310210399.1A CN104218305B (en) | 2013-05-30 | 2013-05-30 | AM/FM mains antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104218305A CN104218305A (en) | 2014-12-17 |
| CN104218305B true CN104218305B (en) | 2017-03-01 |
Family
ID=52099578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310210399.1A Active CN104218305B (en) | 2013-05-30 | 2013-05-30 | AM/FM mains antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104218305B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140726A (en) * | 2015-09-02 | 2015-12-09 | 广元思必达科技有限公司 | Filtering wire preventing AC power clutter interference |
| CN110544855A (en) * | 2018-05-29 | 2019-12-06 | 鸿富锦精密工业(武汉)有限公司 | power adapter and electronic device including the same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3956750A (en) * | 1974-01-07 | 1976-05-11 | Jones Warren S | Portable antenna for use within a vehicle |
| CN201041825Y (en) * | 2007-06-07 | 2008-03-26 | 蒋小平 | Car top set short pole antenna |
| CN101820098A (en) * | 2010-04-01 | 2010-09-01 | 蒋小平 | Automobile side window glass printed antenna amplifier system |
| CN203300791U (en) * | 2013-05-30 | 2013-11-20 | 昆山骅盛电子有限公司 | AM/FM power line antenna |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9203163B2 (en) * | 2011-02-25 | 2015-12-01 | Harada Industry Of America, Inc. | Antenna assembly |
-
2013
- 2013-05-30 CN CN201310210399.1A patent/CN104218305B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3956750A (en) * | 1974-01-07 | 1976-05-11 | Jones Warren S | Portable antenna for use within a vehicle |
| CN201041825Y (en) * | 2007-06-07 | 2008-03-26 | 蒋小平 | Car top set short pole antenna |
| CN101820098A (en) * | 2010-04-01 | 2010-09-01 | 蒋小平 | Automobile side window glass printed antenna amplifier system |
| CN203300791U (en) * | 2013-05-30 | 2013-11-20 | 昆山骅盛电子有限公司 | AM/FM power line antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104218305A (en) | 2014-12-17 |
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Address after: Zhang Town Garden Road Kunshan City, Suzhou City, Jiangsu Province, No. 600 215300 Applicant after: JIANGSU HUASHENG AUTOMOTIVE ELECTRONICS CO., LTD. Address before: Zhang Town Garden Road Kunshan City, Suzhou City, Jiangsu Province, No. 600 215300 Applicant before: Wieson Technologies (Kun Shan) Co., Ltd. |
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