CN101605159A - A kind of in-vehicle hand-free apparatus for mobile phone - Google Patents
A kind of in-vehicle hand-free apparatus for mobile phone Download PDFInfo
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- CN101605159A CN101605159A CN 200910151982 CN200910151982A CN101605159A CN 101605159 A CN101605159 A CN 101605159A CN 200910151982 CN200910151982 CN 200910151982 CN 200910151982 A CN200910151982 A CN 200910151982A CN 101605159 A CN101605159 A CN 101605159A
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Abstract
The invention discloses a kind of in-vehicle hand-free apparatus for mobile phone, comprise one with the intercouple directional couple antenna of induction of the built-in aerial of mobile phone, described directional couple antenna links to each other by radio frequency cable with vehicle-mounted external antenna; Described mobile phone is by transmission signals between described directional couple antenna and described vehicle-mounted external antenna and base station.In-vehicle hand-free apparatus for mobile phone novel structure provided by the invention is simple, carry out inductive coupling by the directional couple antenna of on-vehicle hands-free device inside configuration and the built-in aerial of mobile phone itself, replaced the radio frequency connector on the on-vehicle hands-free device, the outer strong signal of car has been transferred to mobile phone; And make that the mobile phone fixed form is more reliable and more stable.
Description
Technical field
The present invention relates to mobile phone on-vehicle hand-free system technical field, more specifically, relate to a kind of in-vehicle hand-free apparatus for mobile phone.
Background technology
Universal day by day along with mobile phone and automobile, it is very general to connect the phenomenon of making a phone call when driving.But, must not when driving, dial and answer cell-phone from " People's Republic of China's law on road traffic safety implementing regulations " existing clearly regulation that on May 1st, 2004 came into effect.In-vehicle hand-free apparatus for mobile phone meets the hired roughneck and holds phone and design when human pilot is driven.Mobile phone is all supported the bluetooth communication function mostly at present, and the blue tooth vehicular Handless system that uses with the bluetooth cellular phone coupling also is widely used.
Usually, blue tooth vehicular mobile phone Handless system is by forming with lower member:
1, bluetooth handsfree module is used for connecting with bluetooth cellular phone, comprises Bluetooth chip, Bluetooth antenna and power module;
2, support is fixed on mobile phone on the support, mainly blocks mobile phone with mechanical system;
3, support is connected with support, is stuck on the ventilation hole or is fixed on other places in the automobile;
4, loudspeaker, the calling of answering cell phone is amplified the mobile phone calling by Bluetooth technology;
5, microphone and earplug use microphone to converse, if do not want to allow the talk of hearing you with the people of car, also can use the earplug incoming call answering;
6, power module is used for automobile power source is offered bluetooth module and gives cell-phone charging.
In the relative more weak zone of countryside signal,, generally the outer stronger signal of car can be introduced in the car by radio frequency cable with vehicle-mounted external antenna because cab signal is more weak.Common scheme is that vehicle-mounted external antenna is connected on the on-vehicle hands-free device through radio frequency cable at present, thereby carrying out radio-frequency (RF) coaxial by radio frequency connector on the on-vehicle hands-free device and the duplexer test jack on being positioned at cell phone mainboard again is connected and mobile phone is received and transmit (disconnected the antenna for mobile phone branch road, antenna for mobile phone no longer receives and transmits).But there is following shortcoming in this kind scheme: along with running car jolts, if mobile phone is fixing unreliable, the radio frequency connector that will take place on the on-vehicle hands-free device causes antenna for mobile phone switch testing socket by the phenomenon of external force disengaging cell phone mainboard with the socket loose contact of antenna for mobile phone switch testing or because local stress is uprushed; In addition, when when on-vehicle hands-free device takes off mobile phone, if misoperation then can cause antenna for mobile phone switch testing socket unbalance stress and damage, even could damage cell phone mainboard.These situations all will cause mobile phone signal instability even no signal, also make troubles to maintenance.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of in-vehicle hand-free apparatus for mobile phone, and mobile phone also can be conversed and other operations in the car of weak signal smoothly.
In order to address the above problem, the invention provides a kind of in-vehicle hand-free apparatus for mobile phone, comprise one with the intercouple directional couple antenna of induction of the built-in aerial of mobile phone, described directional couple antenna links to each other by radio frequency cable with vehicle-mounted external antenna; Described mobile phone is by transmission signals between described directional couple antenna and described vehicle-mounted external antenna and base station.
Further, described directional couple antenna has the radiation directionality, and according to the diverse location of the built-in aerial of described mobile phone, the radiation direction of described directional couple antenna is arranged to the built-in main antenna direction of corresponding described mobile phone.
Further, described directional couple antenna is a general module, is fixed on the described on-vehicle hands-free device.
Further, described on-vehicle hands-free device comprises that also one is used for fixing the mobile phone fixture of described mobile phone, and described directional couple antenna is fixed on the described mobile phone fixture.
Further, described on-vehicle hands-free device also comprises a support, and described support is provided with bluetooth handsfree module and power module, and described directional couple antenna is fixed on the described support.
Further, described support is provided with a kind of or its combination in any in the following function button:
Answer that key, on-hook key, volume increase key, volume is put little key.
Further, described directional couple antenna is a full frequency band antenna.
In-vehicle hand-free apparatus for mobile phone novel structure provided by the invention is simple, carry out inductive coupling by the directional couple antenna of on-vehicle hands-free device inside configuration and the built-in aerial of mobile phone itself, replaced the radio frequency connector on the on-vehicle hands-free device, the outer strong signal of car is transferred to mobile phone, thereby mobile phone also can be conversed and other operations in the car of weak signal smoothly; And make that the mobile phone fixed form is more reliable and more stable.
Description of drawings
Fig. 1 is the composition module diagram of the in-vehicle hand-free apparatus for mobile phone of the embodiment of the invention;
Fig. 2 is the operational flowchart of the in-vehicle hand-free apparatus for mobile phone of the embodiment of the invention.
Embodiment
Core concept of the present invention is: radio frequency connector on the replacement on-vehicle hands-free device and the radio-frequency (RF) coaxial connected mode between the duplexer test jack on the cell phone mainboard, one coupled antenna that links to each other with vehicle-mounted external antenna is set on on-vehicle hands-free device, makes coupled antenna and antenna for mobile phone communicate by the mode of inductive coupling.
Particularly, the present invention adopts following technical scheme:
One directed coupled antenna is set on the on-vehicle hands-free device in car, and this directional couple antenna links to each other with vehicle-mounted external antenna by radio frequency cable, by radio frequency cable the car external signal is transferred to the directional couple antenna;
Built-in antenna of mobile phone by with the induction that intercouples of this directional couple antenna, thereby make mobile phone can pass through directional couple antenna and vehicle-mounted external antenna and base station transmits signal.
Wherein, above-mentioned directional couple antenna is designed to have the radiation directionality, i.e. main antenna (built-in aerial) orientation of the corresponding mobile phone of the radiation direction of this directional couple antenna, be radiated on the antenna for mobile phone so that signal energy is lossless to greatest extent, thereby can reach the effect the same with the radio-frequency (RF) coaxial connected mode.
In addition, above-mentioned directional couple antenna can be the full frequency band antenna, and novel structure is simple simultaneously, can make little universal architecture spare and be put on any on-vehicle hands-free device.
Adopt the on-vehicle hands-free device of technical solution of the present invention can be in the suburb with car outer relative stronger signal by directional couple antenna inductive coupling to the mobile phone that is fixed on the car-mounted device, make the interior mobile phone of car can successfully converse and other operations, can also carry out radio communication by Bluetooth technology simultaneously.
Describe in further detail below in conjunction with the enforcement of drawings and the specific embodiments technical solution of the present invention.
With reference to Fig. 1, the on-vehicle hands-free device 1 that the embodiment of the invention provides mainly comprises support 10, bluetooth handsfree module 101, power module 102, loudspeaker 103, microphone 104, also comprises mobile phone fixture 20, bluetooth cellular phone 2, vehicle-mounted external antenna 3 and radio frequency cable 4.
Wherein, mobile phone fixture 20 mainly is the fixedly effect of mobile phone, adopts mechanical system that mobile phone 2 is fixed on the on-vehicle hands-free device 1, thereby avoids mobile phone to shake at vehicle ' process moderately gusty air.
This mobile phone fixture 20 is provided with a directional couple antenna 201, and vehicle-mounted external antenna 3 couples together by radio frequency cable 4 signal and directional couple antenna 201 that car is outer.This directional couple antenna 201 is the full frequency band antenna, and the mode by the induction 5 that intercouples between the mobile phone 1 communicates, and this directional couple antenna 201 is positioned over corresponding mobile phone 2 built-in aerials below, when design, diverse location according to mobile phone 2 main antennas, for example, the built-in main antenna of different mobile phones may be positioned at mobile phone top or in the mobile phone bottom, this directional couple antenna 201 is designed to have the radiation directionality simultaneously, main antenna (built-in aerial) direction of these directional couple antenna 201 corresponding mobile phones 2 is placed in the structure of on-vehicle hands-free device 1 thereunder, thereby to greatest extent energy signal is radiated mobile phone main antenna orientation to the greatest extent; And this directional couple antenna can be designed to general module, applicable to any on-vehicle hands-free device.
This on-vehicle hands-free device 1 has been gathered each functional module, its medium-height trestle 10 have function button (as answer, on-hook, volume increase, put little etc.); The major function of bluetooth handsfree module 101 is to finish with the bluetooth coupling of bluetooth cellular phone 2 to be connected 6; Power module 102 is connected with automobile power source, is used to bluetooth handsfree module 101 and mobile phone 2 power supplies; Loudspeaker 103 is used for amplifying in bluetooth cellular phone 2 and the bluetooth handsfree module 101 laggard words that work that connect; Microphone 104 is used for carrying out the pickup amplification at the communication process of bluetooth cellular phone 2.Wherein, bluetooth handsfree module 101 and power module 102 also can be fixed on the support 10.
As shown in Figure 2, the operating process of the in-vehicle hand-free apparatus for mobile phone of the embodiment of the invention is as follows:
Mobile phone is fixed on the fixture of on-vehicle hands-free device in the relatively more weak car of entering signal the time; At this moment, built-in antenna of mobile phone will with directional couple antenna (linking to each other) induction that intercouples with vehicle-mounted external antenna, thereby make mobile phone pass through transmission signals between directional couple antenna and vehicle-mounted external antenna and base station; Connect by Bluetooth communication mode and bluetooth handsfree module again, converse smoothly thereby can be implemented in the car of weak signal.
Particular instance of the present invention elaborates summary of the invention; for a person skilled in the art; the present invention can have various changes or variation; within the spirit and principles in the present invention all; any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1, a kind of in-vehicle hand-free apparatus for mobile phone is characterized in that, comprise one with the intercouple directional couple antenna of induction of the built-in aerial of mobile phone, described directional couple antenna links to each other by radio frequency cable with vehicle-mounted external antenna; Described mobile phone is by transmission signals between described directional couple antenna and described vehicle-mounted external antenna and base station.
2, device as claimed in claim 1 is characterized in that,
Described directional couple antenna has the radiation directionality, and according to the diverse location of the built-in aerial of described mobile phone, the radiation direction of described directional couple antenna is arranged to the built-in main antenna direction of corresponding described mobile phone.
3, device as claimed in claim 1 or 2 is characterized in that,
Described directional couple antenna is a general module, is fixed on the described on-vehicle hands-free device.
4, device as claimed in claim 3 is characterized in that,
Described on-vehicle hands-free device comprises that also one is used for fixing the mobile phone fixture of described mobile phone, and described directional couple antenna is fixed on the described mobile phone fixture.
5, device as claimed in claim 3 is characterized in that,
Described on-vehicle hands-free device also comprises a support, and described support is provided with bluetooth handsfree module and power module, and described directional couple antenna is fixed on the described support.
6, device as claimed in claim 5 is characterized in that,
Described support is provided with a kind of or its combination in any in the following function button:
Answer that key, on-hook key, volume increase key, volume is put little key.
7, device as claimed in claim 1 or 2 is characterized in that,
Described directional couple antenna is a full frequency band antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910151982 CN101605159A (en) | 2009-07-15 | 2009-07-15 | A kind of in-vehicle hand-free apparatus for mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910151982 CN101605159A (en) | 2009-07-15 | 2009-07-15 | A kind of in-vehicle hand-free apparatus for mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101605159A true CN101605159A (en) | 2009-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910151982 Pending CN101605159A (en) | 2009-07-15 | 2009-07-15 | A kind of in-vehicle hand-free apparatus for mobile phone |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102340851A (en) * | 2010-07-19 | 2012-02-01 | 财团法人资讯工业策进会 | Power saving method of mobile apparatus and communication system thereof |
| CN102802125A (en) * | 2012-07-24 | 2012-11-28 | 哈尔滨工业大学 | Method for realizing relay communication in cluster mobile communication system |
| CN104660787A (en) * | 2013-11-20 | 2015-05-27 | 昆山研达电脑科技有限公司 | Method for assisting user in communicating by cellphone in driving |
| CN105243705A (en) * | 2015-08-29 | 2016-01-13 | 广东名门锁业有限公司 | Intelligent lockset having oriented Bluetooth antenna |
| CN107819197A (en) * | 2016-09-14 | 2018-03-20 | 大众汽车有限公司 | Antenna module and the vehicles including antenna module |
| CN110661127A (en) * | 2018-06-29 | 2020-01-07 | 神讯电脑(昆山)有限公司 | Bearing seat and method for switching antenna signals |
-
2009
- 2009-07-15 CN CN 200910151982 patent/CN101605159A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102340851A (en) * | 2010-07-19 | 2012-02-01 | 财团法人资讯工业策进会 | Power saving method of mobile apparatus and communication system thereof |
| CN102802125A (en) * | 2012-07-24 | 2012-11-28 | 哈尔滨工业大学 | Method for realizing relay communication in cluster mobile communication system |
| CN102802125B (en) * | 2012-07-24 | 2015-05-06 | 哈尔滨工业大学 | Method for realizing relay communication in cluster mobile communication system |
| CN104660787A (en) * | 2013-11-20 | 2015-05-27 | 昆山研达电脑科技有限公司 | Method for assisting user in communicating by cellphone in driving |
| CN105243705A (en) * | 2015-08-29 | 2016-01-13 | 广东名门锁业有限公司 | Intelligent lockset having oriented Bluetooth antenna |
| CN107819197A (en) * | 2016-09-14 | 2018-03-20 | 大众汽车有限公司 | Antenna module and the vehicles including antenna module |
| CN107819197B (en) * | 2016-09-14 | 2021-07-20 | 大众汽车有限公司 | Antenna assembly and vehicle comprising the same |
| CN110661127A (en) * | 2018-06-29 | 2020-01-07 | 神讯电脑(昆山)有限公司 | Bearing seat and method for switching antenna signals |
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Open date: 20091216 |