CN2814611Y - Vehicular video-audio extending device and vehicular video-audio system using the same device - Google Patents
Vehicular video-audio extending device and vehicular video-audio system using the same device Download PDFInfo
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- CN2814611Y CN2814611Y CN 200520109179 CN200520109179U CN2814611Y CN 2814611 Y CN2814611 Y CN 2814611Y CN 200520109179 CN200520109179 CN 200520109179 CN 200520109179 U CN200520109179 U CN 200520109179U CN 2814611 Y CN2814611 Y CN 2814611Y
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Abstract
The utility model relates to an image/sound extending device and an image/sound system thereof, which is used for a vehicle. The utility model comprises an image/sound extending device, an output device, an optical disk changing machine, an unloading type medium storing device and a hand-held communication device, wherein the image/sound extending device generates output signals. The output device receives the output signals. The optical disk changing machine generates first input signals which are transmitted to the image/sound extending device. The unloading type medium storing device generates medium data which are transmitted to the image/sound extending device, and the medium data are processed into second input signals through the image/sound extending device. The hand-held communication device generates communication data which are transmitted to the image/sound extending device, and the communication data are processed into third input signals through the image/sound extending device. When the utility model is in an optical disk changing machine mode, the image/sound extending device selects the first input signals as the output signals. When the utility model is in a medium playing mode, the image/sound extending device selects the second input signals as the output signals. When the utility model is in a communication mode, the image/sound extending device selects the third input signals as the output signals. The utility model does not change the hardware of the previous sound host, and can integrate the optical disk changing machine, the unloading type medium storing device and the hand-held communication device in the image/sound system which is used for the vehicle.
Description
Technical field
The utility model relates to automobile-used audio-visual technology, particularly relevant for a kind of automobile-used audio-visual expanding device and use its automobile-used audio-video system.
Background technology
Along with the progress of digital audio-video science and technology, offer human well-rounded audio-visual entertainment life, people just can directly influence lifestyle at home for the demand of audio-visual amusement, thereby the agitation of family's theater is arranged.Then, further extend to Vehicular mobile formula environment,, have some idea of even be equipped with by the standard of CD player LCD TV screens (LCD TV) such as CD, VCD, DVD being classified as automobile in recent years for high-quality audio-visual demand.Moreover removal formula media storage device (such as the iPod that Apple produced) is popularized with mobile phone, makes the interior user of car for the extendibility of automobile-used audio-video system strong demand be arranged.But existing automobile-used audio-video system has assembled appropriate when car dispatches from the factory, when the user has expansion demand, must make or have much ado and reequip, and the consumer is hung back thereafter.
Therefore, under the prerequisite that does not change its original main system of audio hardware, how integrated CD record changer, removal formula media storage device and hand-holding communication device are in automobile-used audio-video system, and this is the problem of the required research of industrial community personage.
The utility model content
The purpose of this utility model, the automobile-used audio-video system that promptly is to provide a kind of automobile-used audio-visual expanding device and uses it, under the prerequisite that does not change its original main system of audio hardware, can integrated CD record changer, removal formula media storage device and hand-holding communication device be in automobile-used audio-video system.
In order to realize above-mentioned purpose of the present utility model, the utility model provides a kind of automobile-used audio-video system to finish, and comprises according to automobile-used audio-video system of the present utility model: an audio-visual expanding device, in order to produce an output signal; One output unit is in order to receive output signal; One CD record changer is input to audio-visual expanding device in order to produce one first input signal; One removal formula media storage device is input to audio-visual expanding device in order to produce a media data, and is treated as one second input signal via audio-visual expanding device; And a hand-holding communication device, be input to audio-visual expanding device in order to produce a communication data, and be treated as one the 3rd input signal via audio-visual expanding device; Wherein when under a CD player pattern, it is output signal that audio-visual expanding device is selected first input signal; When under a media playback mode, it is output signal that audio-visual expanding device is selected second input signal; When under a communication mode, it is output signal that audio-visual expanding device is selected the 3rd input signal.
In addition, the utility model provides a kind of automobile-used audio-visual expanding device, is applied in the automobile-used audio-video system, and automobile-used audio-video system comprises an output unit, a CD record changer, a removal formula media storage device and a hand-holding communication device; Audio-visual expanding device comprises: a selector switch, in order to receive one first input signal that CD player produced; One media management module receives the media data that removal formula media storage device is produced, and media data is converted to one second input signal is input to selector switch; One communication control module receives the communication data that hand-holding communication device produced, and communication data is converted to one the 3rd input signal is input to selector switch; And a microcontroller, the control selector switch one of is selected in first input signal, second input signal and the 3rd input signal person, and output becomes an output signal.
Effect of the present utility model:
Comprehensively above-mentioned, automobile-used audio-visual expanding device of the present utility model and the automobile-used audio-video system that uses it are under the prerequisite that does not change original stereophony main control system and existing CD record changer circuit, can integrated removal formula media storage device and hand-holding communication device, obtain the effect that the video-audio signal source is expanded.
For further specifying above-mentioned purpose of the present utility model, design feature and effect, the utility model is described in detail below with reference to accompanying drawing.
Description of drawings
Fig. 1 is the block schematic diagram that shows according to automobile-used audio-video system one embodiment of the present utility model; And
Fig. 2 shows according to control flow chart of the present utility model
The symbol description of main element in the accompanying drawing:
1, audio-visual expanding device; 2, CD record changer; 3, removal formula media storage device;
4, hand-holding communication device; 5, microphone; 6, display;
7, main system of audio 8, loudspeaker 9, control knob
100, selector switch 102, media management module 104, communication control module
106, microcontroller
Embodiment
Please refer to Fig. 1, Fig. 1 is the block schematic diagram according to automobile-used audio-video system one embodiment of the present utility model.As shown in Figure 1, comprise according to automobile-used AV device of the present utility model: but an audio-visual expanding device 1, a CD record changer 2, a removal formula media storage device 3, a hand-holding communication device 4, a microphone 5, a display 6, a main system of audio 7 and a loudspeaker 8.According to automobile-used audio-visual expanding device 1 of the present utility model, but be to connect CD record changer 2 removal formula media storage devices 3, hand-holding communication device 4, microphone 5, display 6 and main system of audio 7 or the like respectively, and main system of audio 7 still is connected to loudspeaker 8.
But removal formula media storage device 3 can be to include electrical or magnetic storage such as the ROM able to programme of electrically erasing (electrically erasable programmable read only memory), fast flash memory bank (flashmemory), hard disk or tape.But store digital video and/or voice data in the removal formula media storage device 3, can be sent to audio-visual expanding device 1 via data bus 13 and be for further processing.This data bus 13 can be the Interface Standard with universal serial universal serial bus structural (Universal Serial Bus, letter claims with USB), IEEE 1394, SCSI, IDE, PCMCIA, PCI etc.
Hand-holding communication device 4 can be the mobile phone of Global Link Digital Cellular System (Global System forMobile Communications:GSM) or third generation wireless communication standard system (3G), is connected by bus 14 with audio-visual expanding device 1.If hand-holding communication device 4 is blue bud (Bluetooth) mobile phone, blue bud control wafer (will be as described later in detail) can be set in audio-visual expanding device 1, then need not the setting of bus 14, between hand-holding communication device 4 and the audio-visual expanding device 1, can carry out wireless transmission by blue bud agreement.Moreover, microphone 5 can be arranged in the car, and microphone 5 is sent to audio-visual expanding device 1 with voice signal line 15 with the sound of user in the car and deals with, in view of the above, the user can further exempt the puzzlement of wearing earphone in the car.
7 of main systems of audio are to include audio frequency processing circuits such as AM/FM harmony device (AM/FM Tuner), audiotape player (cassetteplayer), enlarger and partial device, except the sound signal that can handle self harmony device or audiotape player, still can receive and handle the output audio signal 17 that audio-visual expanding device 1 is produced, pass through loudspeaker 8 then voice output.Main system of audio 7 and 1 exchange of making control code via control bus 18 of audio-visual expanding device, the user can be by pushing control knob set on the main system of audio 79 in the car, control via 18 pairs of automobile-used audio-visual expanding devices 1 of control bus again, and then obtain host mode, record changer pattern, removal formula media mode or the communication mode (will be as described below) that switches automobile-used audio-video system of the present utility model.
The main system of audio 1 of existing automobile-used audio-video system is directly to connect CD record changer 2, between main system of audio 7 and the CD record changer 2, is to control by control bus.Therefore, when user in the car chooses CD record changer 2 via main system of audio 7, can send enabling signal, make 2 entrys into service of CD record changer, and the sound signal 10 that is produced is sent to main system of audio 7 outputs via control bus.According to the utility model, need not change the hardware of main system of audio 7, CD record changer 2, removal formula media storage device 3, hand-holding communication device 14 etc., utilize audio-visual expanding device 1 can carry out the change action of record changer pattern, removal formula media mode or communication mode.Edge this, with regard to main system of audio 7, need not judge that output audio signal 17 is from CD record changer 2, removal formula media storage device 3 or hand-holding communication device 5, and, control via control bus 18 by between audio-visual expanding device 1 and the main system of audio 7.Moreover, can select CD record changer 2, removal formula media storage device 3 or hand-holding communication device 4 by audio-visual expanding device 1 by the demand of user in the car, video output signals 16 or audio output signal 17 are provided.
Please refer to Fig. 1 again, comprise: a selector switch 100, a media management module 102, a communication control module 104 and a microcontroller 106 etc. according to audio-visual expanding device 1 of the present utility model.As shown in Figure 1, audio-visual expanding device 1 inputs to selector switch 100 places after CD record changer 2 receiving video signals 10 and sound signal 11, as input video-audio signal 101.Media management module 102 reads removal formula media storage device 3 receiving media datas by data bus 13, and inputs to selector switch 100 places through after the signal Processing, as input medium signal 103.For example, media management module 102 can have MP3 decoding device and digital/analog converter, and processing can be treated as simulated audio signal with digital audio-frequency data; Again, media management module 102 can have the MPEG4 demoder, digital of digital video data can be treated as the analog audio-video signal.In addition, if removal formula media storage device 3 is USB storage devices, then media management module 102 is a USB controller.
Microcontroller 106 is responsible for whole control operations of audio-visual expanding device, be connected respectively outside CD record changer 2 and the main system of audio 7 divided by control bus 12 and 18, still connect communication control module, control bus 108 connection media management modules 102 and control bus 109 and connect selector switchs 100 etc. with control bus 107.Please refer to Fig. 2, Fig. 2 is according to control flow chart of the present utility model.As shown in Figure 2, after user in the car carries out model selection (step 202) via main system of audio 7, automobile-used audio-video system then of the present utility model is selected according to the user, enter respectively in host mode (step 204), record changer pattern (step 206), media playback mode (step 208) or the communication mode (step 210) etc. one of the person.Certainly the user can be under the situation of automobile-used audio-video system electric power starting, by pushing control knob 9 on the main system of audio 7, with the alter operation pattern in the car.Hereinafter will host mode, record changer pattern, media playback mode and communication mode etc. be done one and describe in detail.
Host mode
Promptly to be main system of audio 7 be referred to as the audio signal output of self harmony device or audiotape player host mode to loudspeaker 8, and the function that this type genus main system of audio 7 is existing is so repeat no more.
The record changer pattern
When carrying out conversion and control at the main system of audio 7 of different labels and CD record changer 2, be to send control signal via control bus 18 by main system of audio 7, the microcontroller 106 that is sent to audio-visual expanding device 1 is converted into the control code of control CD record changer 2, is sent to CD record changer 2 via control bus 12.At this moment, CD record changer 2 meeting outputting video signal 10 and sound signals 11, be input video-audio signal 101, control selector switchs 100 via microcontroller 106 with control signal 109, select 101 outputs of input video-audio signal to become outputting video signal 16 and output audio signal 17, provide respectively and give display 6 and main system of audio 7.
Media playback mode
When under media playback mode, main system of audio 7 is sent control signal via control bus 18, the microcontroller 106 that is sent to audio-visual expanding device 1 is converted into the control code of control media management module 102, this control code is sent to media controller 102 via control bus 108, reads numerical data in the removal formula media storage device 3 by media controller 102.Be treated as input medium signal 103 through media management module 102 then, control selector switchs 100 via microcontroller 106 with control signal 109, select 103 outputs of input medium signal to become outputting video signal 16 and output audio signal 17, offer display 6 and main system of audio 7 respectively.
Communication mode
When hand-holding communication device 4 had incoming call, communication control module 104 can send signal to main system of audio 7 by microcontroller 106 via control bus 18 via control bus 107 notice microcontrollers 106.Whether want incoming call answering by user's decision in the car again, if, then send and control signal to microcontroller 106 via control bus 18, by microcontroller 106 output control signals 109 control selector switchs 100, select 105 outputs of incoming traffic signal to become audio output signal 17, promptly can converse in the Handless mode by microphone 5.If hand-holding communication device 4 can transmit or store video-audio data, then incoming traffic signal 105 can comprise the Voice ﹠ Video signal, be selected to outputting video signal 16 and output audio signal 17 through selector switch 100 this moment, is sent to display 6 and main system of audio 7 places respectively.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in the scope of the utility model claims variation, the modification of the above embodiment.
Claims (15)
1. automobile-used audio-video system is characterized in that comprising:
One audio-visual expanding device is in order to produce an output signal;
One output unit is in order to receive described output signal;
One CD record changer is input to described audio-visual expanding device in order to produce one first input signal;
One removal formula media storage device is input to described audio-visual expanding device in order to produce a media data, and is treated as one second input signal via audio-visual expanding device; And
One hand-holding communication device is input to described audio-visual expanding device in order to produce a communication data, and is treated as one the 3rd input signal via audio-visual expanding device;
Wherein, when under a CD record changer pattern, it is described output signal that described audio-visual expanding device is selected described first input signal; When under a media playback mode, it is described output signal that described audio-visual expanding device is selected described second input signal; When under a communication mode, it is described output signal that described audio-visual expanding device is selected described the 3rd input signal.
2. automobile-used audio-video system as claimed in claim 1 is characterized in that described output signal, described first input signal and described second input signal are sound signal.
3. automobile-used audio-video system as claimed in claim 2 is characterized in that described output unit is a main system of audio.
4. automobile-used audio-video system as claimed in claim 1 is characterized in that described output signal, described first input signal and described second input signal are vision signal.
5. as claim 4 a used audio-video system, it is characterized in that described output unit is a display.
6. automobile-used audio-video system as claimed in claim 1 is characterized in that described audio-visual expanding device comprises:
One microcontroller;
One media management module is in order to be converted to described media data described second input signal;
One communication control module is in order to be converted to described communication data described the 3rd input signal; And
One selector switch is the control according to described microcontroller, one of selects in described first input signal, described second input signal and described the 3rd input signal person, and output becomes described output signal.
7. automobile-used audio-video system as claimed in claim 6 is characterized in that also comprising a microphone, is connected to described communication control module, in order to receive user's sound.
8. automobile-used audio-video system as claimed in claim 6 is characterized in that described selector switch is analog switch.
9. an automobile-used audio-visual expanding device is applied in the automobile-used audio-video system, it is characterized in that described automobile-used audio-video system comprises an output unit, a CD record changer, a removal formula media storage device and a hand-holding communication device; Described audio-visual expanding device comprises:
One selector switch is in order to receive one first input signal that described CD player produces;
One media management module receives the media data that described removal formula media storage device is produced, and described media data is converted to one second input signal is input to described selector switch;
One communication control module receives the communication data that described hand-holding communication device produces, and described communication data is converted to one the 3rd input signal is input to described selector switch; And
One microcontroller is controlled described selector switch and one of is selected in described first input signal, described second input signal and described the 3rd input signal person, and output becomes an output signal.
10. audio-visual expanding device as claimed in claim 9 is characterized in that described output signal, described first input signal and described second input signal are sound signal.
11. audio-visual expanding device as claimed in claim 10 is characterized in that described output unit is a main system of audio.
12. audio-visual expanding device as claimed in claim 9 is characterized in that described output signal, described first input signal and described second input signal are vision signal.
13. audio-visual expanding device as claimed in claim 12 is characterized in that described output unit is a display.
14. audio-visual expanding device as claimed in claim 9 is characterized in that also comprising a microphone, is connected to described communication control module, in order to receive user's sound.
15. audio-visual expanding device as claimed in claim 9 is characterized in that described selector switch is analog switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520109179 CN2814611Y (en) | 2005-06-17 | 2005-06-17 | Vehicular video-audio extending device and vehicular video-audio system using the same device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520109179 CN2814611Y (en) | 2005-06-17 | 2005-06-17 | Vehicular video-audio extending device and vehicular video-audio system using the same device |
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| Publication Number | Publication Date |
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| CN2814611Y true CN2814611Y (en) | 2006-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200520109179 Expired - Fee Related CN2814611Y (en) | 2005-06-17 | 2005-06-17 | Vehicular video-audio extending device and vehicular video-audio system using the same device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102445904A (en) * | 2010-10-13 | 2012-05-09 | 智微科技股份有限公司 | Control method for expansion device and expansion device using same |
| CN103747404A (en) * | 2013-12-19 | 2014-04-23 | 惠州市车仆电子科技有限公司 | Surround-sound power-amplifier system |
-
2005
- 2005-06-17 CN CN 200520109179 patent/CN2814611Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102445904A (en) * | 2010-10-13 | 2012-05-09 | 智微科技股份有限公司 | Control method for expansion device and expansion device using same |
| CN103747404A (en) * | 2013-12-19 | 2014-04-23 | 惠州市车仆电子科技有限公司 | Surround-sound power-amplifier system |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060906 |