CN203466851U - Vehicle-cellphone interconnection video-transmission system - Google Patents
Vehicle-cellphone interconnection video-transmission system Download PDFInfo
- Publication number
- CN203466851U CN203466851U CN201320520638.9U CN201320520638U CN203466851U CN 203466851 U CN203466851 U CN 203466851U CN 201320520638 U CN201320520638 U CN 201320520638U CN 203466851 U CN203466851 U CN 203466851U
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- video
- mobile phone
- signal processor
- audio
- interconnected
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
- G09G5/005—Adapting incoming signals to the display format of the display terminal
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The utility model discloses a vehicle-cellphone interconnection video-transmission system which comprises a terminal input end, a car navigation device, and a cellphone interconnection module. The cellphone interconnection module comprises an MHL converter, a central processor, an audio signal processor, a video D/A converter, and a connection socket, wherein the audio signal processor, the video D/A converter and the connection socket are sequentially connected. The central processor is electrically connected with the audio signal processor, the video D/A converter, and the connection socket. The car navigation device is connected with the connection socket. The HDMI signal output end of the MHL converter is electrically connected with the HDMI signal input end of the audio signal processor. The terminal input end is connected with the MHL converter through a USB interface. According to the utility model, the MHL converter is used for the playing supporting conversion of a high-definition video, and achieves the playing decoding supporting of a high-definition film source of the car navigation device, thereby completing all functions of an interface by employing one connector, and simplifying the tedious design of more external extension interfaces for various types of interfaces.
Description
Technical field
The utility model relates to vehicle mounted guidance field, is specifically related to a kind of Video transmission system of vehicle mounted guidance.
Background technology
In the middle of modern life application, mobile phone has become the necessity of people's life, the combination of mobile phone and vehicle mounted guidance will facilitate its use, existing most mobile phone connection is usage data line and connects, yet when usage data line connects, because mobile phone style is numerous, between the Mobile phone data interface of many moneys model and onboard navigation system, can occur incompatible, and the development speed of car machine is far away from the renewal speed of mobile phone, on mobile phone, have now multiple high definition film source for broadcasting, but in vehicle mounted guidance, be not all updated to synchronous level, driver's experience is lacked, and use different interfaces also will affect quality and the speed of transmission, the compatibility issue of itself and onboard navigation system all cannot solve always.
Utility model content
Technical problem to be solved in the utility model is to provide a kind ofly can control the interconnected systems of vision signal on mobile phone terminal or vehicle mounted guidance terminal.
The technical scheme of the utility model technical solution problem is as follows:
The interconnected Video transmission system of a kind of vehicle carried mobile phone, comprise terminal input, the interconnected module of vehicle mounted guidance and mobile phone, the interconnected module of described mobile phone comprises MHL transducer, central processing unit, the audio-video signal processor connecting successively, video dac and gang socket, described central processing unit respectively with audio-video signal processor, video dac and gang socket are electrically connected, described vehicle mounted guidance is connected with gang socket, the HDMI signal output part of described MHL transducer and the HDMI signal input part of audio-video signal processor are electrically connected, between described terminal input and MHL transducer, by USB interface, be connected, between described audio-video signal processor and video dac, be connected with 8 RGB digital signal transmission lines.
As to the further describing of the interconnected Video transmission system of above-mentioned vehicle carried mobile phone, this system also comprises expands HDMI interface, and described expansion HDMI interface is connected with the expansion HDMI signal input part of described audio-video signal processor.
As to the further describing of the interconnected Video transmission system of above-mentioned vehicle carried mobile phone, between described audio-video signal processor and video dac, be also connected with synchronizing signal connection.
As to the further describing of the interconnected Video transmission system of above-mentioned vehicle carried mobile phone, between described video dac and gang socket, be connected with RGB transmission line analog signal and synchronous transmission of signal line.
As further describing the interconnected Video transmission system of above-mentioned vehicle carried mobile phone, the clock signal output terminal of described central processing unit (CLK0) and data output end (SDA0) are electrically connected with audio-video signal processor, and the control signal communication terminal of central processing unit and described gang socket are electrically connected.
The beneficial effects of the utility model are: use MHL transducer to carry out the broadcasting support conversion of HD video, realize the high definition film source broadcast decoder support of vehicle mounted guidance, make this connector can use one to complete all interface functions, be reduced to the loaded down with trivial details design that adapts to different interface type and increase multiple outside expansion interface.Meanwhile, at audio-video signal processor place, be connected to an expansion HDMI interface, can carry out in case there is a need the expansion of video.
Accompanying drawing explanation
Fig. 1 is the syndeton schematic diagram of the interconnected module internal of mobile phone;
Fig. 2 is the signal pins johning knot composition of central processing unit;
Fig. 3 is the signal pins johning knot composition of audio-video signal processor;
Fig. 4 is the signal pins johning knot composition of MHL transducer;
Fig. 5 is the signal pins johning knot composition of gang socket;
Fig. 6 is the signal pins johning knot composition of expanding HDMI interface;
Fig. 7 is the signal pins johning knot composition of video dac.
Embodiment
Below in conjunction with accompanying drawing 1～accompanying drawing 7, further illustrate the utility model.
The interconnected Video transmission system of a kind of vehicle carried mobile phone described in the utility model, comprise terminal input, the interconnected module of vehicle mounted guidance and mobile phone, the interconnected module of described mobile phone comprises MHL transducer, central processing unit, the audio-video signal processor connecting successively, video dac and gang socket, described central processing unit respectively with audio-video signal processor, video dac and gang socket are electrically connected, described vehicle mounted guidance is connected with gang socket, the HDMI signal output part HDMI2-RX0 of described MHL transducer, HDMI2-RX1, HDMI2-RX2, the HDMI signal input part of HDMI2-RXC and audio-video signal processor is electrically connected, between described terminal input and MHL transducer, by USB interface, be connected, between described audio-video signal processor and video dac, be connected with 8 RGB digital signal transmission lines, wherein, each 8 R digital signal transmission lines that connect audio-video signal processor, G digital signal transmission line and B digital signal transmission line, be connected to the R0～R7 of video dac, B0～B7, G0～G7 pin.
As to the further describing of the interconnected Video transmission system of above-mentioned vehicle carried mobile phone, this system also comprises expands HDMI interface, and described expansion HDMI interface is connected with the expansion HDMI signal input part of described audio-video signal processor.
As to the further describing of the interconnected Video transmission system of above-mentioned vehicle carried mobile phone, between described audio-video signal processor and video dac, be also connected with synchronizing signal connection.
As further describing the interconnected Video transmission system of above-mentioned vehicle carried mobile phone, the clock signal output terminal of described central processing unit (CLK0) and data output end (SDA0) are electrically connected with audio-video signal processor, and control signal communication terminal TX, the RX of central processing unit and described gang socket are electrically connected.
As further describing the interconnected Video transmission system of above-mentioned vehicle carried mobile phone, between described video dac and gang socket, be connected with RGB transmission line analog signal and synchronous transmission of signal line CS, video dac is exported after digital signal is converted into analog signal.
Between this novel central processing unit and audio-video signal processor owing to being connected to the communication of data, control signal, after can processing the input signal of vehicle mounted guidance by central processing unit, by central processing unit, control audio-video signal processor video is controlled, realize the video of mobile phone terminal is controlled; Meanwhile, mobile phone terminal also can pass through USB interface communication, after the signal conversion via MHL transducer, video signal preprocessor transmitted signal is carried out to video control.
Above embodiment is just explanation rather than restriction the utility model, and the equivalence of doing according to the method described in the utility model patent claim therefore all changes or modifies, and is included in the utility model patent claim.
Claims (5)
1. the interconnected Video transmission system of vehicle carried mobile phone, comprise terminal input, the interconnected module of vehicle mounted guidance and mobile phone, the interconnected module of described mobile phone comprises central processing unit, the audio-video signal processor connecting successively, video dac and gang socket, described central processing unit respectively with audio-video signal processor, video dac and gang socket are electrically connected, described vehicle mounted guidance is connected with gang socket, it is characterized in that: the interconnected module of described mobile phone also comprises MHL transducer, the HDMI signal output part of described MHL transducer and the HDMI signal input part of audio-video signal processor are electrically connected, between described audio-video signal processor and video dac, be connected with 8 RGB digital signal transmission lines, between described terminal input and MHL transducer, by USB interface, be connected.
2. the interconnected Video transmission system of vehicle carried mobile phone according to claim 1, is characterized in that: also comprise and expand HDMI interface, described expansion HDMI interface is connected with the expansion HDMI signal input part of described audio-video signal processor.
3. the interconnected Video transmission system of vehicle carried mobile phone according to claim 1, is characterized in that: between described audio-video signal processor and video dac, be also connected with synchronizing signal connection.
4. the interconnected Video transmission system of vehicle carried mobile phone according to claim 1, is characterized in that: between described video dac and gang socket, be connected with RGB transmission line analog signal and synchronous transmission of signal line.
5. the interconnected Video transmission system of vehicle carried mobile phone according to claim 1, it is characterized in that: the clock signal output terminal of described central processing unit (CLK0) and data output end (SDA0) are electrically connected with audio-video signal processor, and the control signal communication terminal of central processing unit and described gang socket are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320520638.9U CN203466851U (en) | 2013-08-26 | 2013-08-26 | Vehicle-cellphone interconnection video-transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320520638.9U CN203466851U (en) | 2013-08-26 | 2013-08-26 | Vehicle-cellphone interconnection video-transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203466851U true CN203466851U (en) | 2014-03-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320520638.9U Expired - Fee Related CN203466851U (en) | 2013-08-26 | 2013-08-26 | Vehicle-cellphone interconnection video-transmission system |
Country Status (1)
| Country | Link |
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| CN (1) | CN203466851U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104301651A (en) * | 2014-09-26 | 2015-01-21 | 四川长虹电器股份有限公司 | Connector, television compatible with MHL, television system compatible with MHL and method |
-
2013
- 2013-08-26 CN CN201320520638.9U patent/CN203466851U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104301651A (en) * | 2014-09-26 | 2015-01-21 | 四川长虹电器股份有限公司 | Connector, television compatible with MHL, television system compatible with MHL and method |
| CN104301651B (en) * | 2014-09-26 | 2018-03-23 | 四川长虹电器股份有限公司 | Compatible MHL television system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 523000 Guangdong city of Dongguan province Fenggang Zhen Huang Dong Cun Xu Long Industrial City second No. 28 building A, building B Patentee after: Guangdong Kovan Beidou Electronics Co., Ltd. Address before: 523000 Guangdong city of Dongguan province Fenggang Zhen Huang Dong Cun Xu Long Industrial City second No. 28 building A, building B Patentee before: Dongguan Kovan Electronic Science & Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140305 Termination date: 20190826 |