CN201878233U - Vehicle Bluetooth hand-free telephone - Google Patents
Vehicle Bluetooth hand-free telephone Download PDFInfo
- Publication number
- CN201878233U CN201878233U CN2010205019285U CN201020501928U CN201878233U CN 201878233 U CN201878233 U CN 201878233U CN 2010205019285 U CN2010205019285 U CN 2010205019285U CN 201020501928 U CN201020501928 U CN 201020501928U CN 201878233 U CN201878233 U CN 201878233U
- Authority
- CN
- China
- Prior art keywords
- bluetooth module
- bluetooth
- interface
- free telephone
- decoder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to the field of Bluetooth wireless communication, in particular to a vehicle Bluetooth hand-free telephone which is taken as a portable mobile device, and comprises a Bluetooth module, and an antenna, a loudspeaker and a microphone that are connected with a radio frequency (RF) interface of the Bluetooth module by an RF cable, wherein the Bluetooth module is connected with a pick-up audio signal by an analog audio interface of a coder-decoder and the microphone, and the pick-up audio signal is converted into an analog signal by the coder-decoder and transmitted into the Bluetooth module; the coder-decoder is connected with an amplifier by the analog audio interface; and codes are converted into the analog signal and then are amplified and output by the loudspeaker. The vehicle Bluetooth hand-free telephone realizes the wireless hand-free function, can be connected with other Bluetooth audio gateway equipment for transmitting the audio signal, and is small in volume, convenient to carry and simple and convenient to operate.
Description
[technical field]
The utility model relates to the Bluetooth wireless communication field, specifically is the blue-tooth vehicle-mounted hand free telephone as a kind of portable mobile device.
[background technology]
Bluetooth (Bluetooth) technology is a kind of the short distance wireless communication technology standard, Bluetooth technology in society now as a kind of standard configuration of mobile phone, increasing mobile phone has also possessed Bluetooth function. and advantages such as Bluetooth technology is wireless with it, radiation proof are accepted by increasing people, the market demand becomes tangible ascendant trend, bluetooth applications is field of mobile telephony the most widely at present, usable bluetooth wireless communication technology transporting speech when calling is realized the wireless connections of earphone and mobile phone.And in order to guarantee traffic safety, traffic rules are stipulated also that the driver can not beat when driving and are connect mobile phone, make troubles for the use of some mobile communication equipments on automobile.
[utility model content]
The utility model purpose is to solve the above problems, and a kind of blue-tooth vehicle-mounted hand free telephone of reasonable in design, dependable performance is provided.
The utility model blue-tooth vehicle-mounted hand free telephone, comprise bluetooth module, reach the antenna, loudspeaker, the microphone that link to each other with the radio frequency interface of bluetooth module by radio frequency line, wherein the analog audio interface of bluetooth module by coding decoder is connected with microphone and picks up audio signal, convert analog signal to by coding decoder, transmit to bluetooth module; Coding decoder also links to each other with amplifier by analog audio interface, becomes analog signal to amplify output by loudspeaker code conversion.
Described coding decoder links to each other with bluetooth module by pcm interface.
Blue-tooth vehicle-mounted hand free telephone of the present utility model is realized the wireless hands-free function, can also be connected transmitting audio signal with other Bluetooth audio frequency gateway devices. this small product size is little, easy to carry, easy and simple to handle.
[description of drawings]
Fig. 1 is a hardware configuration schematic diagram of the present utility model;
Fig. 2 is the structural representation of another embodiment of the present utility model.
[embodiment]
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Be to be understood that concrete embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As shown in drawings: accompanying drawing 1 is the hardware configuration schematic diagram of first embodiment: antenna 11 links to each other by the radio frequency interface of radio frequency line with bluetooth module 10, and this antenna can be selected AT 9520 products of Advanced Ceramic X company for use.Bluetooth module 10 is integrated coding decoder CODEC14, this part can adopt the BlueCore02-Flash module of CSR company to realize.Microphone 12 is used to pick up audio signal, can the analog signal that coding decoder CODEC14 converts to be imported by the analog audio interface realization that links to each other with CODEC14.Coding decoder CODEC14 links to each other with audio frequency amplifier by analog audio interface, and the analog signal that coding decoder CODEC14 converts to is exported by loudspeaker; The vehicle power plug is by the power line realization that links to each other with the power end of bluetooth module 10, is used for power taking from the vehicle power socket, uses for Bluetooth vehicle mounted hand-free device.
Accompanying drawing 2 is the hardware configuration schematic diagram of second embodiment, and Fig. 2 is roughly identical with Fig. 1, but place exception is arranged.Coding decoder CODEC14 among Fig. 2 is not integrated in 10 li of bluetooth modules, but adopts independent parts, and links to each other with bluetooth module 10 by pcm interface.This unit can be selected MC 145483 phonetic codec chips of Motorola Inc. for use.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (2)
1. blue-tooth vehicle-mounted hand free telephone, comprise bluetooth module, reach the antenna, loudspeaker, the microphone that link to each other with the radio frequency interface of bluetooth module by radio frequency line, it is characterized in that: the analog audio interface of bluetooth module by coding decoder is connected with microphone and picks up audio signal, convert analog signal to by coding decoder, transmit to bluetooth module; Coding decoder also links to each other with amplifier by analog audio interface, becomes analog signal to amplify output by loudspeaker code conversion.
2. blue-tooth vehicle-mounted hand free telephone according to claim 1 is characterized in that: described coding decoder links to each other with bluetooth module by pcm interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205019285U CN201878233U (en) | 2010-08-23 | 2010-08-23 | Vehicle Bluetooth hand-free telephone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205019285U CN201878233U (en) | 2010-08-23 | 2010-08-23 | Vehicle Bluetooth hand-free telephone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201878233U true CN201878233U (en) | 2011-06-22 |
Family
ID=44166141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205019285U Expired - Fee Related CN201878233U (en) | 2010-08-23 | 2010-08-23 | Vehicle Bluetooth hand-free telephone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201878233U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411778A (en) * | 2013-07-15 | 2013-11-27 | 深圳市元征科技股份有限公司 | Car diagnostic equipment with Bluetooth sound amplifying function and car diagnostic method |
-
2010
- 2010-08-23 CN CN2010205019285U patent/CN201878233U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411778A (en) * | 2013-07-15 | 2013-11-27 | 深圳市元征科技股份有限公司 | Car diagnostic equipment with Bluetooth sound amplifying function and car diagnostic method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: BEST TALENT INDUSTRIAL CO., LTD. Assignor: Jiang Hui Contract record no.: 2011440020434 Denomination of utility model: Automatic short-message reporting and reading realizing method for blue-tooth vehicle-mounted hand free telephone Granted publication date: 20110622 License type: Exclusive License Record date: 20111124 |
|
| DD01 | Delivery of document by public notice |
Addressee: Jiang Hui Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Jiang Hui Document name: Notification of Termination of Patent Right |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110622 Termination date: 20140823 |
|
| EXPY | Termination of patent right or utility model |