CN203104690U - Onboard Android platform - Google Patents
Onboard Android platform Download PDFInfo
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- CN203104690U CN203104690U CN 201220332208 CN201220332208U CN203104690U CN 203104690 U CN203104690 U CN 203104690U CN 201220332208 CN201220332208 CN 201220332208 CN 201220332208 U CN201220332208 U CN 201220332208U CN 203104690 U CN203104690 U CN 203104690U
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Abstract
The utility model discloses an onboard Android platform, and aims to provide an onboard Android platform capable of lowering difficulty in the development of a mobile terminal. The onboard Android platform comprises a CMMB chip module and an application module, wherein the CMMB chip module receives a CMMB signal, processes the received CMMB signal into an audio and video signal carrying an operation interface and an operation logic, and outputs the audio and video signal; and the application module switches an audio and video channel of the onboard Android platform to a CMMB channel to receive and display the audio and video signal.
Description
Technical field
The utility model relates to the Android platform, especially relates to a kind of vehicle-mounted Android platform.
Background technology
Existing C MMB(China Mobile Multimedia Broadcasting, China Mobile multimedia broadcasting) receiving play-back technology all is to utilize the CMMB chip module to come received signal, it only is the effect of received signal, this just need do many things on mobile terminal device, such as depositing the very complicated thing of a series of logics such as platform, channel selection, UI design, function design, increased software development difficulty on the mobile terminal device greatly.
The utility model content
The utility model only is the effect of received signal in order to solve prior art CMMB chip module, has increased the technical problem of the development difficulty of mobile terminal device, and a kind of vehicle-mounted Android platform is provided.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is a kind of vehicle-mounted Android platform of design, comprising:
The CMMB chip module, it receives the CMMB signal, and the CMMB signal processing that receives is become to carry the audio-video signal output of operation interface and operation logic;
Application module, its audio frequency and video passage with vehicle-mounted Android platform switch to the CMMB passage and receive described audio-video signal and demonstration.
Described vehicle-mounted Android platform also comprises system module, and it receives described audio-video signal and described audio-video signal is sent;
Described application module comprises the touch-screen that is used for touch operation and demonstration, the video output module that is used for output video, the audio frequency output module that is used for output audio and is used to obtain the coordinate sending module that the user clicks the coordinate of touch-screen and sends;
Described system module comprises the audio frequency and video processing module that system request module that is used to receive the coordinate that described coordinate sending module sends and the coordinate that receives according to described system request module send described audio-video signal.
Described video output module is the photographic means that vehicle-mounted Android platform carries.
Described CMMB chip module comprises the CMMB antenna that is used to receive the CMMB signal that connects successively, be used for tuner tuning and the CMMB signal that amplitude modulation receives, be used to exchange demodulation/demodulation multiplexer that CMMB signal after the harmonious amplitude modulation is sampled and converted it into digital signal streams, the condition receiving chip that is used for extracting the professional secret key of described digital signal streams and program secret key and the audio/video flow and the data flow of described digital signal streams scrambling is reduced into clear stream and be used for the clear stream of condition receiving chip output is decoded and is processed into the application process chip of the audio-video signal output of carrying operation interface and operation logic.
The utility model utilizes the CMMB chip module CMMB signal processing that receives to be become to carry the audio-video signal output of operation interface and operation logic by the CMMB chip module is set.Compared with prior art, this patent has following beneficial effect:
1, all control logic is realized by the CMMB chip module, reduces mobile terminal device software development difficulty greatly;
2, because the CMMB chip module has a lot, all logic control changes the CMMB chip module into and realizes that significantly reduce the chimeric degree of CMMB chip module and mobile terminal device, the feasible CMMB chip module of replacing becomes very easy, reduces development cost.
Description of drawings
Below in conjunction with embodiment and accompanying drawing the utility model is elaborated, wherein:
Fig. 1 is the structure principle chart of the vehicle-mounted Android platform of the utility model;
Fig. 2 is the flow chart that the vehicle-mounted Android platform of the utility model is play the method for CMMB;
Fig. 3 is the flow chart that the coordinate of the method for the vehicle-mounted Android platform broadcast of the utility model CMMB obtains and sends.
Embodiment
See also Fig. 1.The vehicle-mounted Android platform of the utility model comprises the CMMB chip module, system module and the application module that connect successively.Wherein:
The CMMB chip module is used to receive the CMMB signal, and the CMMB signal processing that receives is become to carry the audio-video signal output of operation interface and operation logic.Described CMMB chip module comprises CMMB antenna, tuner, demodulation/demodulation multiplexer, the condition receiving chip that connects successively and uses process chip.Wherein:
The CMMB antenna is used for receiving satellite signal, promptly is used to receive the CMMB signal.
Tuner is used for CMMB signal that tuning and amplitude modulation receives, is equivalent to the effect of trap signal.
Demodulation/demodulation multiplexer is used to exchange CMMB signal after the harmonious amplitude modulation and samples and convert it into digital signal streams.Signal flow comprises video, audio frequency and some data.
The condition receiving chip is used to extract the professional secret key and the program secret key of described digital signal streams, and the audio/video flow and the data flow of scrambling in the described digital signal streams is reduced into clear stream.
Using process chip is used for the clear stream of condition receiving chip output is decoded and is processed into the audio-video signal output of carrying operation interface and operation logic.Use process chip and finish parsing and processing, the The whole control flow process of the vehicle-mounted pre-installed module of CMMB and the control and the signal output of peripheral interface of the decoding of audio/video flow, data broadcasting.
The CMMB chip module also comprises power control module and audio frequency analog-to-digital conversion module, wherein: power control module is an independently part, he mainly acts on is that control signal receives and transmitting power, make system's level of total power keep minimum, can solve because far and near the interference and the self-interference problem.The effect of audio frequency analog-to-digital conversion module is parsed the signal of the raising quality such as stereo in the audio signal, directly is transferred to system module then.
System module is used to receive described audio-video signal and described audio-video signal is sent.
Application module is used for audio frequency and video passage with vehicle-mounted Android platform and switches to the CMMB passage and receive the audio-video signal that described system module sends and show.
System module comprises system request module, audio frequency and video processing module and interface module, wherein:
The system request module is used to receive the coordinate that described coordinate sending module sends.The audio frequency and video processing module is used for according to the coordinate that described system request module receives described audio-video signal being sent.
Application module comprises the touch-screen that is used for touch operation and demonstration, the video output module that is used for output video, the audio frequency output module that is used for output audio and is used to obtain the coordinate sending module that the user clicks the coordinate of touch-screen and sends.Described video output module is the photographic means that vehicle-mounted Android platform carries.
The effect of video, Audio Processing is exactly to receive the signal that is sent by upper layer module, and resolves to down the signal that one deck module can be discerned.The effect that system sends request is that the coordinate that application module sends is sent to the CMMB chip module.Interface module is exactly that this interface that has all is exposed to upper layer application, allows upper layer application obtain information such as following video, audio frequency by these interfaces, also can reach the effect of indirect control CMMB chip module by these interfaces.
In application module, the effect of video output is the video flowing that display system sends on display; The audio signal that the effect acquisition system of audio frequency output sends over, and enable voice is exported from loudspeaker; The effect of coordinate sending module is the X/Y coordinate when obtaining the user and click screen, and the interface that calling system comes out sends to system to the X/Y coordinate.
The CMMB chip module is after receiving the CMMB vision signal, can handle vision signal, such as add some visualized operation interfaces, integrated certain operations order etc., arrived in other words after the application process chip, variation has taken place in originally simple vision signal, has become to carry operation interface and vision signal operation logic, and it is uploaded to top the time like this, just make the design operation interface, because it has just carried operation interface itself without upper layer application.Compared with prior art, this patent has following beneficial effect:
1, all control logic is realized by the CMMB chip module, reduces mobile terminal device software development difficulty greatly;
2, because the CMMB chip module has a lot, all logic control changes the CMMB chip module into and realizes that significantly reduce the chimeric degree of CMMB chip module and mobile terminal device, the feasible CMMB chip module of replacing becomes very easy, reduces development cost.
See also Fig. 2, the vehicle-mounted Android platform of the utility model is play the method for CMMB, comprising:
1, receives the CMMB signal, and the CMMB signal processing that receives is become to carry the audio-video signal output of operation interface and operation logic;
2, the audio frequency and video passage of vehicle-mounted Android platform is switched to the CMMB passage and receive described audio-video signal, and described audio-video signal is presented on the photographic means that vehicle-mounted Android platform carries.
Receiving the CMMB vision signal is finished by the CMMB chip module, the CMMB chip module receives after the vision signal of satellites transmits, can send to the Android system to vision signal, when the user operation interface click open CMMB software after, system will switch to the video channel of Android system and voice-grade channel above the CMMB, the CMMB vision signal that the photographic means that this moment, CMMB software just carried by the Android system comes display system to transmit, this has just reached the purpose of playing CMMB.
See also Fig. 3.The method that the vehicle-mounted Android platform of the utility model is play CMMB also comprises the method that sends the CMMB order, and it comprises:
1, the user clicks the operation interface of displaying video;
2, Android system identification active user clicks the X/Y coordinate of described operation interface, and sends to the CMMB chip module;
3, the CMMB chip module recognizes after the described X/Y coordinate, judges which some position the user has clicked, and has carried out corresponding operation response.
The method that sends the CMMB order only is that the screen coordinate X, the Y that send active user's click realize.The vision signal that the CMMB chip module transmits up is a kind of vision signal that has comprised operation interface through after chip oneself conversion.When the user clicks facing to operation interface, the Android system can identify X, the Y coordinate that the active user clicks, then X, Y coordinate are sent to system, system passes to the CMMB chip module again, the CMMB chip module recognized to use and passed after the X/Y coordinate of coming this moment, understand and oneself judge which some position the user has clicked, and oneself has just carried out certain operation response then.So just fully CMMB chip module and upper layer application have been separated, when you need replace the CMMB chip module, it is just passable only need to change a kind of CMMB chip module, and upper layer application needn't go to consider to follow the interface of new CMMB chip module to unify negotiation problem fully.
The utility model utilizes the CMMB chip module CMMB signal processing that receives to be become to carry the audio-video signal output of operation interface and operation logic by the CMMB chip module is set.Compared with prior art, this patent has following beneficial effect:
1, all control logic is realized by the CMMB chip module, reduces mobile terminal device software development difficulty greatly;
2, because the CMMB chip module has a lot, all logic control changes the CMMB chip module into and realizes that significantly reduce the chimeric degree of CMMB chip module and mobile terminal device, the feasible CMMB chip module of replacing becomes very easy, reduces development cost.
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 (4)
1. vehicle-mounted Android platform is characterized in that comprising:
The CMMB chip module, it receives the CMMB signal, and the CMMB signal processing that receives is become to carry the audio-video signal output of operation interface and operation logic;
Application module, its audio frequency and video passage with vehicle-mounted Android platform switch to the CMMB passage and receive described audio-video signal and demonstration.
2. vehicle-mounted Android platform according to claim 1 is characterized in that: described vehicle-mounted Android platform also comprises system module, and it receives described audio-video signal and described audio-video signal is sent;
Described application module comprises the touch-screen that is used for touch operation and demonstration, the video output module that is used for output video, the audio frequency output module that is used for output audio and is used to obtain the coordinate sending module that the user clicks the coordinate of touch-screen and sends;
Described system module comprises the audio frequency and video processing module that system request module that is used to receive the coordinate that described coordinate sending module sends and the coordinate that receives according to described system request module send described audio-video signal.
3. vehicle-mounted Android platform according to claim 2 is characterized in that: described video output module is the photographic means that vehicle-mounted Android platform carries.
4. vehicle-mounted Android platform according to claim 1 is characterized in that: described CMMB chip module comprises the CMMB antenna that is used to receive the CMMB signal that connects successively, be used for tuner tuning and the CMMB signal that amplitude modulation receives, be used to exchange demodulation/demodulation multiplexer that CMMB signal after the harmonious amplitude modulation is sampled and converted it into digital signal streams, the condition receiving chip that is used for extracting the professional secret key of described digital signal streams and program secret key and the audio/video flow and the data flow of described digital signal streams scrambling is reduced into clear stream and be used for the clear stream of condition receiving chip output is decoded and is processed into the application process chip of the audio-video signal output of carrying operation interface and operation logic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220332208 CN203104690U (en) | 2012-07-11 | 2012-07-11 | Onboard Android platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220332208 CN203104690U (en) | 2012-07-11 | 2012-07-11 | Onboard Android platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203104690U true CN203104690U (en) | 2013-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220332208 Withdrawn - After Issue CN203104690U (en) | 2012-07-11 | 2012-07-11 | Onboard Android platform |
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| Country | Link |
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| CN (1) | CN203104690U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102769795A (en) * | 2012-07-11 | 2012-11-07 | 深圳乐投卡尔科技有限公司 | Onboard Android platform and China mobile multimedia broadcasting (CMMB) playing method thereof |
| CN103680564A (en) * | 2013-12-06 | 2014-03-26 | 厦门雅迅网络股份有限公司 | Method for adjusting external audio access and volume of vehicle-mounted terminal in unified mode |
-
2012
- 2012-07-11 CN CN 201220332208 patent/CN203104690U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102769795A (en) * | 2012-07-11 | 2012-11-07 | 深圳乐投卡尔科技有限公司 | Onboard Android platform and China mobile multimedia broadcasting (CMMB) playing method thereof |
| CN102769795B (en) * | 2012-07-11 | 2015-01-28 | 深圳乐投卡尔科技有限公司 | Onboard Android platform and china mobile multimedia broadcasting (CMMB) playing method thereof |
| CN103680564A (en) * | 2013-12-06 | 2014-03-26 | 厦门雅迅网络股份有限公司 | Method for adjusting external audio access and volume of vehicle-mounted terminal in unified mode |
| CN103680564B (en) * | 2013-12-06 | 2017-10-27 | 厦门雅迅网络股份有限公司 | A kind of car-mounted terminal external audio access and the method for the unified regulation of volume |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZIGNUM TECHNOLOGY (BEIJING) CO., LTD. Free format text: FORMER OWNER: SHENZHEN LETOU KAER TECHNOLOGY CO., LTD. Effective date: 20130913 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518000 SHENZHEN, GUANGDONG PROVINCE TO: 100000 HAIDIAN, BEIJING |
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| TR01 | Transfer of patent right |
Effective date of registration: 20130913 Address after: 100000 Beijing city Haidian District P.Tricuspidata Road No. 9 Building No. 10 hospital 1 to 4 101 Patentee after: Wisdom song Technology (Beijing) Co., Ltd. Address before: 518000 T3 factory building T3B5-a, hi tech Industrial Village, Nanshan District hi tech Zone, Guangdong, Shenzhen Patentee before: Shenzhen Letou Kaer Technology Co., Ltd. |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20130731 Effective date of abandoning: 20150128 |
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| RGAV | Abandon patent right to avoid regrant |