CN103832459A - Steering wheel of integrated wireless microphone - Google Patents
Steering wheel of integrated wireless microphone Download PDFInfo
- Publication number
- CN103832459A CN103832459A CN201210481465.4A CN201210481465A CN103832459A CN 103832459 A CN103832459 A CN 103832459A CN 201210481465 A CN201210481465 A CN 201210481465A CN 103832459 A CN103832459 A CN 103832459A
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- microphone
- vehicle steering
- integrated wireless
- signal processing
- audio signal
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Abstract
The invention relates to the automotive electronic technology, in particular to a steering wheel of an integrated wireless microphone. The steering wheel of the integrated wireless microphone comprises a frame and a decorative piece, and further comprises the microphone and an audio signal processing and sending module, the surface of the frame is coated with foaming materials, the decorative piece and the frame or the foaming materials are fixed together, the microphone is arranged below the decorative piece, and the audio signal processing and sending module is fixed to the frame or the foaming materials and is connected with the microphone through a cable.
Description
Technical field
the present invention relates to automotive electronic technology, particularly the bearing circle of integrated wireless microphone.
Background technology
existing automobile often disposes Bluetooth Telephone System, and wherein, the microphone that receives aud. snl. is connected by transmission line with bluetooth module.Owing to there is complicated electromagnetic environment in car, therefore, for avoiding the interference of electromagnetic signal, need to adopt shielding wire as transmission line.But the volume of shielding wire itself is larger, cause its setting position to be subject to larger restriction, for example often can only be arranged in such as console, instrument carrier panel and ceiling reading lamp etc. and locate.
fig. 1 is the automobile telephone equipment of the prior art schematic layout pattern in automobile.Referring to Fig. 1, microphone can be arranged on blue-tooth device 10 or instrument carrier panel 20.When on the vehicle steering 30 microphone being arranged in Fig. 1, following point will be run into: the wire harness on bearing circle need to be connected with car load wire harness by clock spring, because clock spring cannot be accomplished shielding, when therefore microphone is installed on bearing circle, will be subject to electromagnetic interference.
in a word, in the prior art, because microphone cannot be arranged on optimum position, therefore cannot reach best sound collection effect.
Summary of the invention
an object of the present invention is to provide a kind of wireless transmitter of integrating with bearing circle of being suitable for, it has the advantages such as collection signal is clear.
above-mentioned purpose can realize by following technical proposal:
a vehicle steering for integrated wireless microphone, comprises:
skeleton, its surface parcel expanded material;
the ornamental trimming being fixed together with described skeleton or expanded material,
it is characterized in that, also comprise:
microphone, it is arranged on the below of described ornamental trimming;
audio Signal Processing and transmitter module, it is fixed on described skeleton or expanded material and through cable and is connected with described microphone.
preferably, in the vehicle steering of above-mentioned integrated wireless microphone, described vehicle steering also comprises the multifunction switch being fixed on described skeleton or expanded material, and described Audio Signal Processing and transmitter module and described multifunction switch integrate.
preferably, in the vehicle steering of above-mentioned integrated wireless microphone, described Audio Signal Processing and transmitter module send with digital signal form the aud. snl. of described microphone collection to bluetooth module.
preferably, in the vehicle steering of above-mentioned integrated wireless microphone, the frequency of described digital signal is 2.4GHz.
preferably, in the vehicle steering of above-mentioned integrated wireless microphone, described Audio Signal Processing and transmitter module send with analog signal form the aud. snl. of described microphone collection to bluetooth module.
preferably, in the vehicle steering of above-mentioned integrated wireless microphone, the frequency of described analog signal is 430-435MHz and uses the subaudio frequency signal of 67Hz-250.3Hz to be encrypted.
preferably, in the vehicle steering of above-mentioned integrated wireless microphone, described Multifunction open is shut and is provided with incoming call sound button and hangs up button, and has LIN bus communication function.
preferably, in the vehicle steering of above-mentioned integrated wireless microphone, described multifunction switch is used for carrying out following operation:
receive the incoming call indicator signal from described bluetooth module warp through LIN bus;
detect the event that whether triggers described incoming call sound button;
if occurred, activating described bluetooth module through described LIN bus makes it in reception of wireless signals state, and activate described microphone and Audio Signal Processing and transmitter module, so that aud. snl. is gathered by described microphone and is sent to described bluetooth module by described Audio Signal Processing and transmitter module.
preferably, in the vehicle steering of above-mentioned integrated wireless microphone, described multifunction switch is used for carrying out following operation:
detect the event of hanging up button described in whether triggering;
if occur, close described microphone and Audio Signal Processing and transmitter module, and indicate described bluetooth module to hang up the telephone through described LIN bus.
preferably, in the vehicle steering of above-mentioned integrated wireless microphone, on described ornamental trimming surface, the position corresponding with described microphone offers at least one aperture.
in an embodiment of the present invention, the microphone of Vehicular bluetooth telephone system is arranged on bearing circle, and by Radio Transmission Technology, the aud. snl. collecting is passed to bluetooth telephone device.This has solved the problems such as the unreasonable and sound collection signal of existing microphone position is unintelligible, meanwhile, and by utilizing wireless technology transmission aud. snl. also to simplify the layout of wire harness in car.
from following detailed description by reference to the accompanying drawings, will make above and other objects of the present invention and advantage more completely clear.
Accompanying drawing explanation
fig. 1 is the automobile telephone equipment of the prior art schematic layout pattern in automobile.
fig. 2 is according to the decomposing schematic representation of the vehicle steering of one embodiment of the present of invention.
fig. 3 is the schematic diagram under vehicle steering assembled state shown in Fig. 2.
fig. 4 is the schematic diagram of realizing incoming call sound process according to the vehicle steering of one embodiment of the invention.
fig. 5 is the schematic diagram of realizing the process of hanging up of conversing according to the vehicle steering of one embodiment of the invention.
The specific embodiment
below by being described with reference to the drawings, the specific embodiment of the present invention sets forth the present invention.But it will be appreciated that, these specific embodiment are only exemplary, there is no restriction for spirit of the present invention and protection domain.
in this manual, " connection " word should be understood to be included in the situation that directly transmits energy or signal between two unit, or indirectly transmit the situation of energy or signal through one or more Unit the 3rd, and alleged signal includes but not limited to the signal existing with the form of electricity, light and magnetic here.In addition, " comprise " and the term of " comprising " and so on represent except have in specification sheets and claims, have directly and the unit and step of clearly statement, technical scheme of the present invention is not got rid of yet and is had other unit of directly or clearly not explained and the situation of step.Moreover the term such as " first ", " second ", " the 3rd " and " the 4th " does not represent that unit or numerical value are to be only used as to distinguish each unit or numerical value in the order of the aspects such as time, space, size.
under normal circumstances, vehicle steering is conventionally all with one or several different ornamental trimming.According to embodiments of the invention, microphone can be arranged in the gap between ornamental trimming and bearing circle body or skeleton.In addition,, according to embodiments of the invention, the aud. snl. of microphone collection sends to the bluetooth module of car phone equipment with wireless mode.For this reason, can wireless launcher be set on bearing circle.Preferably, wireless launcher and multifunction switch can be integrated, and then multifunction switch and ornamental trimming are assembled together.
in an embodiment of the present invention, in meeting microphone arrangement space, signal is processed with transmitter module and is integrated in the Multifunction open Central Shanxi Plain, saved space limited on bearing circle.
fig. 2 is according to the decomposing schematic representation of the vehicle steering of one embodiment of the present of invention.Fig. 3 is the schematic diagram under vehicle steering assembled state shown in Fig. 2.
referring to Fig. 2 and 3, the vehicle steering of the present embodiment comprises skeleton 310, ornamental trimming 320A, 320B, multifunction switch 330, microphone 340 and cable 350.
send to the bluetooth module of car phone equipment through wireless channel for microphone 340 being collected to aud. snl., according to also comprising Audio Signal Processing and transmitter module on bearing circle of the present invention.In the present embodiment, Audio Signal Processing and transmitter module and multifunction switch 330 integrate.But it is pointed out that this layout not necessarily.Alternatively, Audio Signal Processing and transmitter module can be modules that is independent of multifunction switch 330, and it is also fixed on the expanded material of skeleton 310 or parcel and is connected with microphone by cable 350.Moreover, incoming call sound button can be set on multifunction switch 330 and hang up button, and thering is LIN bus communication function.
because bluetooth telephone need possess certain privacy, therefore need to be encrypted, and guarantee that signal can be transferred to bluetooth module preferably.Voice signal can pass through digital signal transfers at present, also can transmit by analog signal.
preferably, the aud. snl. that Audio Signal Processing and transmitter module gather microphone 340 sends to bluetooth module with digital signal form, to avoid the interference of outward sign, significantly improves audio quality.The frequency of digital signal can be for example 2.4GHz.
alternatively, the aud. snl. that Audio Signal Processing and transmitter module gather microphone 340 sends to bluetooth module with analog signal form, and the frequency of analog signal can and be used the subaudio frequency signal of 67Hz-250.3Hz to be encrypted for 430-435MHz.
because interior space is more airtight, conventionally use low power wireless signal both can meet the demands, also reduce the radiation of car load simultaneously.
microphone can not be all the time in "on" position, otherwise life-span, the quiescent dissipation etc. of microphone have bad impact, and due to the total integrated LIN bus communication of multifunction switch, the switch of bluetooth telephone is also positioned on multifunctional steering wheel switch.Therefore the open and close of microphone can be processed with transmitter module and control by being positioned at signal that Multifunction open shuts.
fig. 4 is the schematic diagram of realizing incoming call sound process according to the vehicle steering of one embodiment of the invention.
as shown in Figure 4, in the situation that having incoming call, the bluetooth module on car phone equipment sends incoming call indicator signal through LIN bus to multifunction switch 330, thereby makes multifunction switch 330 enter the state of response user operation.When answering after button triggered by user on multifunction switch 330, multifunction switch 330 detects the operation that Answer Key is triggered, and activates bluetooth module, thereby make car phone equipment enter the state receiving calls so send LIN bus signals.Meanwhile, multifunction switch 330 switches on power Audio Signal Processing and transmitter module, and activates this module and microphone 340.Thus, aud. snl. is through microphone 340 sensings and be sent to Audio Signal Processing and transmitter module through wire 350.Audio Signal Processing and transmitter module are receiving after the sound signal of microphone 340 sensings, it is processed (for example coding) and the sound signal after coding is sent to bluetooth module with the form of wireless signal, bluetooth module is decoded and is processed to be converted into sound signal it receiving after wireless signal, thereby is sent to the opposing party of call through car phone equipment.
fig. 5 is the schematic diagram of realizing the process of hanging up of conversing according to the vehicle steering of one embodiment of the invention.
as shown in Figure 5, in communication process, multifunction switch 340 hangs up in detecting the armed state whether button is triggered all the time.Hang up after the event that button is triggered when detecting, multifunction switch send out 330 through LIN bus to bluetooth module transmitted signal, indicate it to hang up the telephone.Meanwhile, multifunction switch is sent out the power supply of 330 disconnection Audio Signal Processing and transmitter module, closes Audio Signal Processing and transmitter module and microphone.
owing to can not deviating under the spirit of essential characteristic of the present invention, implement the present invention with various forms, therefore present embodiment is illustrative and not restrictive, because scope of the present invention is defined by claims, rather than defined by specification sheets, therefore fall into all changes in border and the boundary of claim, or the equivalent of this claim border and boundary thereby forgiven by claim.
Claims (10)
1. a vehicle steering for integrated wireless microphone, comprises:
Skeleton, its surface parcel expanded material;
The ornamental trimming being fixed together with described skeleton or expanded material,
It is characterized in that, also comprise:
Microphone, it is arranged on the below of described ornamental trimming;
Audio Signal Processing and transmitter module, it is fixed on described skeleton or expanded material and through cable and is connected with described microphone.
2. the vehicle steering of integrated wireless microphone as claimed in claim 1, wherein, described vehicle steering also comprises the multifunction switch being fixed on described skeleton or expanded material, and described Audio Signal Processing and transmitter module and described multifunction switch integrate.
3. the vehicle steering of integrated wireless microphone as claimed in claim 2, wherein, described Audio Signal Processing and transmitter module send with digital signal form the aud. snl. of described microphone collection to bluetooth module.
4. the vehicle steering of integrated wireless microphone as claimed in claim 3, wherein, the frequency of described digital signal is 2.4GHz.
5. the vehicle steering of integrated wireless microphone as claimed in claim 2, wherein, described Audio Signal Processing and transmitter module send with analog signal form the aud. snl. of described microphone collection to bluetooth module.
6. the vehicle steering of integrated wireless microphone as claimed in claim 5, wherein, the frequency of described analog signal is 430-435MHz and uses the subaudio frequency signal of 67Hz-250.3Hz to be encrypted.
7. the vehicle steering of the integrated wireless microphone as described in any one in claim 3-6, wherein, described Multifunction open is shut and is provided with incoming call sound button and hangs up button, and has LIN bus communication function.
8. the vehicle steering of integrated wireless microphone as claimed in claim 7, wherein, described multifunction switch is used for carrying out following operation:
Receive the incoming call indicator signal from described bluetooth module warp through LIN bus;
Detect the event that whether triggers described incoming call sound button;
If occurred, activating described bluetooth module through described LIN bus makes it in reception of wireless signals state, and activate described microphone and Audio Signal Processing and transmitter module, so that aud. snl. is gathered by described microphone and is sent to described bluetooth module by described Audio Signal Processing and transmitter module.
9. the vehicle steering of integrated wireless microphone as claimed in claim 7, wherein, described multifunction switch is used for carrying out following operation:
Detect the event of hanging up button described in whether triggering;
If occur, close described microphone and Audio Signal Processing and transmitter module, and indicate described bluetooth module to hang up the telephone through described LIN bus.
10. the vehicle steering of integrated wireless microphone as claimed in claim 1, wherein, on described ornamental trimming surface, the position corresponding with described microphone offers at least one aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210481465.4A CN103832459B (en) | 2012-11-23 | 2012-11-23 | The steering wheel of integrated wireless microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210481465.4A CN103832459B (en) | 2012-11-23 | 2012-11-23 | The steering wheel of integrated wireless microphone |
Publications (2)
| Publication Number | Publication Date |
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| CN103832459A true CN103832459A (en) | 2014-06-04 |
| CN103832459B CN103832459B (en) | 2016-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210481465.4A Expired - Fee Related CN103832459B (en) | 2012-11-23 | 2012-11-23 | The steering wheel of integrated wireless microphone |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105392073A (en) * | 2015-12-02 | 2016-03-09 | 北京云知声信息技术有限公司 | Microphone damping support |
| WO2023032579A1 (en) * | 2021-09-03 | 2023-03-09 | 株式会社東海理化電機製作所 | Steering wheel |
Citations (9)
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|---|---|---|---|---|
| US5707262A (en) * | 1996-04-23 | 1998-01-13 | Huntley; Jeffery W. | Wireless trim control system for boat drive |
| US20070233376A1 (en) * | 2006-04-04 | 2007-10-04 | Yariv Gershony | Device, system and method for displaying a cell phone control signal in front of a driver |
| CN101414854A (en) * | 2008-10-20 | 2009-04-22 | 许富民 | Vehicle-mounted Bluetooth hands-free message equipment and allocation method thereof |
| CN201282565Y (en) * | 2008-07-02 | 2009-07-29 | 王志坤 | Automobile mobile phone call system |
| CN101594409A (en) * | 2009-03-04 | 2009-12-02 | 延锋百利得（上海）汽车安全系统有限公司 | A kind of steering wheel with voice acquisition system |
| CN201550108U (en) * | 2009-11-12 | 2010-08-11 | 北汽福田汽车股份有限公司 | Vehicle-mounted Bluetooth telephone device |
| CN101850784A (en) * | 2009-04-02 | 2010-10-06 | 上海航盛实业有限公司 | Bluetooth steering wheel |
| CN102457533A (en) * | 2010-10-20 | 2012-05-16 | 埃泰克汽车电子(芜湖)有限公司 | Automobile information acquisition and analysis system based on Bluetooth mobile phone transmission |
| CN202320456U (en) * | 2011-11-30 | 2012-07-11 | 深圳市车音网科技有限公司 | Steering wheel cover |
-
2012
- 2012-11-23 CN CN201210481465.4A patent/CN103832459B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5707262A (en) * | 1996-04-23 | 1998-01-13 | Huntley; Jeffery W. | Wireless trim control system for boat drive |
| US20070233376A1 (en) * | 2006-04-04 | 2007-10-04 | Yariv Gershony | Device, system and method for displaying a cell phone control signal in front of a driver |
| CN201282565Y (en) * | 2008-07-02 | 2009-07-29 | 王志坤 | Automobile mobile phone call system |
| CN101414854A (en) * | 2008-10-20 | 2009-04-22 | 许富民 | Vehicle-mounted Bluetooth hands-free message equipment and allocation method thereof |
| CN101594409A (en) * | 2009-03-04 | 2009-12-02 | 延锋百利得（上海）汽车安全系统有限公司 | A kind of steering wheel with voice acquisition system |
| CN101850784A (en) * | 2009-04-02 | 2010-10-06 | 上海航盛实业有限公司 | Bluetooth steering wheel |
| CN201550108U (en) * | 2009-11-12 | 2010-08-11 | 北汽福田汽车股份有限公司 | Vehicle-mounted Bluetooth telephone device |
| CN102457533A (en) * | 2010-10-20 | 2012-05-16 | 埃泰克汽车电子(芜湖)有限公司 | Automobile information acquisition and analysis system based on Bluetooth mobile phone transmission |
| CN202320456U (en) * | 2011-11-30 | 2012-07-11 | 深圳市车音网科技有限公司 | Steering wheel cover |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105392073A (en) * | 2015-12-02 | 2016-03-09 | 北京云知声信息技术有限公司 | Microphone damping support |
| WO2023032579A1 (en) * | 2021-09-03 | 2023-03-09 | 株式会社東海理化電機製作所 | Steering wheel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103832459B (en) | 2016-12-21 |
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