CN101192340A - Vehicular image and sound expansion apparatus with study function and Vehicular image and sound system using same and study method - Google Patents

Vehicular image and sound expansion apparatus with study function and Vehicular image and sound system using same and study method Download PDF

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Publication number
CN101192340A
CN101192340A CNA2006101639431A CN200610163943A CN101192340A CN 101192340 A CN101192340 A CN 101192340A CN A2006101639431 A CNA2006101639431 A CN A2006101639431A CN 200610163943 A CN200610163943 A CN 200610163943A CN 101192340 A CN101192340 A CN 101192340A
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China
Prior art keywords
control code
automobile
button
main frame
expanding device
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Pending
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CNA2006101639431A
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Chinese (zh)
Inventor
陈敏锋
胡佳赐
邱峰青
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WANDONG INDUSTRY Co Ltd
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WANDONG INDUSTRY Co Ltd
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Priority to CNA2006101639431A priority Critical patent/CN101192340A/en
Publication of CN101192340A publication Critical patent/CN101192340A/en
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Abstract

The invention relates to a car video and audio extension system with learning functions, a related car video and audio learning system and a method. The car video and audio system comprises a play mechanism, a main unit and an extension set. The play mechanism comprises a remote controller. The remote controller is provided with a first press key which generates a first control code when the first key is pressed. The main unit is provided with a second press key which generates the second control code when the second key is pressed. The extension set is coupled between the main unit and the play mechanism. In learning state, the extension set processes the first code and the second code to create a corresponding relationship. In operation mode, the second key on the main unit is pressed and the extension set generates a third control code according to the corresponding relationship which correspondingly controls the play mechanism.

Description

Have the automobile-used audio-visual expanding device of learning functionality and use its automobile-used audio-video system and learning method
Technical field
The relevant automobile-used audio-visual technology of the present invention is particularly about a kind of automobile-used audio-video system and learning method that has the automobile-used audio-visual expanding device of learning functionality and use it.
Background technology
Vehicle only is equipped with main system of audio and loudspeaker usually when dispatching from the factory.Along with audio-visual development of technology, audio-video system extends to automobile-used portable environment gradually from the fixed environment of family expenses, and the user is for the expansion demand of audio-video system, and is very ardent.Therefore, the present inventor promptly discloses a kind of " the automobile-used AV device and the interface circuit thereof of extendible auxiliary source " in No. 225478 case of the novel letters patent book number of TaiWan, China, change under the prerequisite of main system of audio hardware need not, integrate one or more groups auxiliary source (auxiliaryinput) in existing audio-video system even if can expand.Yet, for ease of using, provide the playing device of auxiliary source, can dispose telepilot (remote control) usually, but bring the user greatest puzzlement also, if a plurality of playing devices just have a plurality of telepilots, cause the user to be easy to obscure; Very the person if the user is the vehicle driver, even if can lose notice for differentiating different remote, jeopardizes the safety of driving.
Summary of the invention
Therefore, a purpose of the present invention is to provide a kind of automobile-used audio-video system and learning method that has the automobile-used audio-visual expanding device of learning functionality and use it, keypress function with one or more telepilots, pass through learning process, be integrated on the button of existing main frame, need not to jeopardize traffic safety for the identification different remote.
For reaching above-mentioned order ground, the present invention can finish by a kind of automobile-used audio-visual expanding device with learning functionality is provided.This automobile-used audio-visual expanding device is coupled between a main frame and a playing device, and playing device then has a telepilot, and telepilot is provided with first button, can produce first control code by pushing first button, then can do corresponding control to playing device; And main frame has second button, by pushing second button, provides second control code to expanding device.And automobile-used audio-visual expanding device comprises: a receiver, in order to receive first control code; One controller is coupled to receiver and main frame, handles first control code and second control code; And a storer, be coupled to controller; When under learning state, controller connects to a corresponding relation with first control code and second control code, is stored in the control code storer; When under mode of operation, push second button of main frame, controller can produce one the 3rd control code playing device is carried out corresponding control according to corresponding relation.
In addition, the present invention also provides a kind of automobile-used audio-video system with learning functionality, and it comprises: a playing device, has a telepilot, telepilot is provided with first button, produces first control code by pushing first button, then can do corresponding control to playing device; One main frame has second button, by pushing second button, produces one second control code; And an expanding device, be coupled between main frame and playing device; When under learning state, expanding device is handled first control code and is produced a corresponding relation with second control code; When under mode of operation, push second button of main frame, expanding device can produce one the 3rd control code playing device is carried out corresponding control according to corresponding relation.
Moreover the present invention provides a kind of learning method of automobile-used audio-video system again, comprises the following steps: to start a learning state; Push one first button on a telepilot, so as to launching one first control code, first control code can be carried out corresponding control to a playing device; Receive first control code by an expanding device; On a main frame, push one second button, give expanding device so as to producing one second control code; And expanding device receives first control code and second control code, produces a corresponding relation, replaces first button so as to making second button.
Description of drawings
Fig. 1 is the calcspar that shows according to automobile-used audio-video system one preferred embodiment of the present invention;
Fig. 2 is the process flow diagram that shows learning method one preferred embodiment according to the present invention;
Fig. 3 is the calcspar that shows according to automobile-used another preferred embodiment of audio-video system of the present invention;
Fig. 4 is the calcspar that shows according to the another preferred embodiment of automobile-used audio-video system of the present invention; And
Fig. 5 shows the detailed circuit diagram that has the automobile-used audio-visual expanding device of learning functionality according to the present invention.
Embodiment
Please refer to Fig. 1, be depicted as calcspar according to automobile-used audio-video system one preferred embodiment of the present invention.As shown in Figure 1, automobile-used audio-video system 1 comprises: a main frame 10, an expanding device 20, a playing device 30 and a loudspeaker 40.
Main frame 10 has audio frequency processing circuits such as AM/FM harmony device (AM/FM Tuner), audiotape player (cassetteplayer), enlarger and partial device usually, except the sound signal that can handle self harmony device or audiotape player, can also receive the sound signal of the signal wire 70 of handling expanding device 20 or be the sound signal that receives the signal wire 69 of handling playing device 30, pass through loudspeaker 40 then voice output.If main frame 10 has video display (video display) in going back, then main frame 10 has video processing circuits, in order to the vision signal of signal wire 70 that receive to handle expanding device 20 or be the vision signal that receives the signal wire 69 of handling playing device 30.If main frame 10 does not have video display, then the vision signal of the signal wire 70 of expanding device 20 or be vision signal that receive to handle the signal wire 69 of playing device 30 can be sent to a circumscribed video display 50 image is exported.In addition, 10 in some main frame has DVD player, VCD player, CD player or MD player etc. in.
Playing device 30 can be any audio signal source, video signal source or be outer signal source in conjunction with audio ﹠ video, for example: removal formula media storage device (, promptly belonging to an example), harmony device (Tuner), simulated television box, DVB-T, satellite receiver, Video Recorder, Karaoke, DivX Video Recorder, HDMI player, recreation device or laser disc player or the like as the iPod series of products of institute of Apple company production and marketing as MP3 player, MPEG-4 player.Wherein, the laser disc player can be an audio player, as CD audio (Compact Disc, abbreviate CD as) player, it also can be DVD player in conjunction with audio ﹠ video, as video and audio CD disc (Video Compact Disc abbreviates VCD as) player, digital audio-video laser disc (Digital Versatile Disc abbreviates DVD as) player etc.Playing device 30 can give expanding device 20 via signal wire 68 transmission voice signals or video-audio signal, gives main frame 10 by expanding device 20 via signal wire 70 transmission voice signals or video-audio signal again and does further processing.If expanding device 20 only connects single playing device 30, then playing device 30 also can directly give main frame 10 via signal wire 69 transmission voice signals or video-audio signal, in order to doing further processing.
In addition, playing device 30 has corresponding telepilot 32, and telepilot 32 is provided with some control knobs 34, in order to playing device 30 is done corresponding control operation.If playing device 30 is DTV receiver, then the button 34 of telepilot 32 can be button CH+ and the CH-that selects channel, then pressing keys CH+ or button CH-, even if telepilot 32 can be launched corresponding control code 60, and,, Digital Television carries out channel increasing or decreasing switching controls and being received device by the receiver 36 reception control codes 60 that are arranged at playing device 30 places.And 30 of telepilot 32 and playing devices are to control with infrared ray (IR) or radio frequency wireless modes such as (RF).
According to the present invention, even if will be replaced with the button 34 of the button on the main frame 10 12 with telepilot 32, be to provide learning functionality by expanding device 20, the button 34 of telepilot 32 is done binding with the button 12 of main frame 10, the button 34 that then promptly replaces telepilot 32 with the button 12 of main frame 10, and can playing device 30 be controlled, this learning method sees also shown in the process flow diagram of Fig. 2.Hereinafter lifting playing device 30 is that DTV receiver is an example, just sets the learning process of button CH+ and CH-, cooperates Fig. 1 and Fig. 2 to elaborate.
Please refer to Fig. 2, at first, begin to carry out learning process of the present invention at step S1, carry out step S2 then and judge that the study start key of main frame 10 is pressed? in this example, be on the pre-defined main frame 10 DISK SCAN key for study start key, so present embodiment lies in step S2 and judges that the DISKSCAN key on the main frame 10 is pressed? if, then carry out step S3, telepilot 32 learning states are started, carry out step S4 then and judge whether to receive telepilot 32 control codes 60 signals? if not, the expression user does not push button 34 on any telepilot 32, is returned to step S1 even if carry out after step S5 closes the telepilot learning state.If under the situation that learning state has started, the user pushes the button 34 on the telepilot 32, and receive control code 60 by a receiver 22 of expanding device 20 at step S4, then can carry out step S6 and judge whether the corresponding button 12 of main frame 10 is pressed, and control code is sent to expanding device 20 via control line 62.If know that in step S6 judgement there is no any button 12 on the main frame 10 is pressed, and then proceeds to step S5 and closes the telepilot learning state; If, then proceed to step S7, with this control code that is transmitted by control line 62, do the binding storage with 32 transmission control codes 60 of telepilot.For example, the button of being pushed at telepilot 32 34 increases progressively key CH+ for channel, and the button 12 that main frame 10 is pushed is SEEK/TRACK UP key, promptly with expanding device 20 control code of the two is done a binding, and is stored, and proceeds to step S5 then.
Be not pressed if learn the DISK SCAN key of main frame 10 at step S2, then can enter substitute mode, with the button 34 on the 12 replacement telepilots 32 of the button on the main frame 10.Promptly as among the step S8, by pushing the button 12 on the main frame 10, for example press SEEK/TRACK UP button on the main frame 10, then its control code is sent to expanding device 20 via control line 62, again according to the annexation that is stored in expanding device 20, learn it is button CH+ corresponding on the telepilot 32, give playing device 30 by expanding device 20 with the control code 64 that transmitter 24 emissions correspond to CH+, playing device 30 then receives control code 64 with receiver 36, after adjusting voice signal or video-audio signal according to control code 64 again, give expanding device 20 via signal wire 68 transmission, or be directly to be sent to main frame 10 outputs via signal wire 69.And 30 of expanding device 20 and playing devices are to control with infrared ray (IR) or radio frequency wireless modes such as (RF).Please refer to Fig. 1 again, expanding device 20 is if can be connected with control line 66 with playing device 30, and then control code can be sent to playing device 66 in order to control via control line 66, and need not to be provided with transmitter 24.
Moreover, one study also can be set on expanding device 20 start button or start-up control line (promptly shown in the label 26 of Fig. 1), even if then judge whether starting button set on the expanding device 20 is pressed or be that the start-up control line is enabled (enable), so as to starting learning state at Fig. 2 step S2.
Please refer to Fig. 3, be depicted as calcspar according to automobile-used another preferred embodiment of audio-video system of the present invention.As shown in Figure 3, automobile-used audio-video system 3 comprises: a main frame 10, an expanding device 20, a plurality of playing device 30A, 30B, 30C and a loudspeaker 40.
Main frame 10 has audio frequency processing circuits such as AM/FM harmony device (AM/FM Tuner), audiotape player (cassetteplayer), enlarger and partial device usually, except the sound signal that can handle self harmony device or audiotape player, can also receive the sound signal of the signal wire 70 of handling expanding device 20, pass through loudspeaker 40 then voice output.If main frame 10 has video display (videodisplay) in also, then main frame 10 has video processing circuits, in order to the vision signal that receives the signal wire 70 of handling expanding device 20 or be the vision signal that receives the signal wire 69 of handling playing device 30.If main frame 10 does not have video display, then the vision signal of the signal wire 70 of expanding device 20 can be sent to a circumscribed video display 50 image is exported.In addition, 10 in some main frame has DVD player, VCD player, CD player or MD player etc. in.
Playing device 30A, 30B, 30C can be any audio signal source, video signal source or be outer signal source in conjunction with audio ﹠ video, for example: removal formula media storage device (, promptly belonging to an example), harmony device (Tuner), simulated television box, digital television case, satellite receiver, Video Recorder, Karaoke, DivX Video Recorder, HDMI player, recreation device or laser disc player or the like as the iPod series of products of institute of Apple company production and marketing as MP3 player, MPEG-4 player.Wherein, the laser disc player can be an audio player, as CD audio (Compact Disc, abbreviate CD as) player, it also can be DVD player in conjunction with audio ﹠ video, as video and audio CD disc (Video Compact Disc abbreviates VCD as) player, digital audio-video laser disc (Digital Versatile Disc abbreviates DVD as) player etc. Playing device 30A, 30B, 30C can give expanding device 20 via signal wire 68A, 68B, 68C transmission voice signal or video-audio signal respectively, give main frame 10 via expanding device 20 selections via signal wire 70 transmission voice signals or video-audio signal again and do further processing.In the present embodiment, be enumerate three playing device 30A, 30B, 30C is an example, is not in order to limiting the present invention, two actually, four or a plurality of playing device are all applicable.
In addition, playing device 30A, 30B, 30C have corresponding telepilot 32A, 32B, 32C, be respectively arranged with some control knob 34A, 34B, 34C on telepilot 32A, 32B, the 32C, in order to respectively playing device 30A, 30B, 30C are done corresponding control operation.If playing device 30A is a DTV receiver, then the button 34A of telepilot 32A can be button CH+ and the CH-that selects channel, then pressing keys CH+ or button CH-, telepilot 32 just can be launched corresponding control code 60, and,, Digital Television carries out channel increasing or decreasing switching controls and being received device by the receiver 36A reception control code 60 that is arranged at playing device 30A place.And be to control with infrared ray (IR) or radio frequency wireless modes such as (RF) between telepilot 32A and playing device 30A.
According to the present invention, even if will be replaced with button 34A, 34B, the 34C of the button on the main frame 10 12 with telepilot 32A, 32B, 32C, be to provide learning functionality by expanding device 20, the button 12 of button 34A, 34B, 34C and the main frame 10 of telepilot 32A, 32B, 32C is done binding, then promptly replacing telepilot 32A, button 34A, the 34B of 32B, 32C, 34C with the button of main frame 10 controls playing device 30A, 30B, 30C and gets final product, this learning method sees also shown in the process flow diagram of Fig. 2, so repeat no more.
As shown in Figure 3, expanding device 20 is through after the learning process, give playing device 30A, 30B, 30C with the corresponding control code 64 of transmitter 24 emissions, playing device 30A, 30B, 30C receive control code 64 with receiver 36A, 36B, 36C respectively, and among playing device 30A, 30B, the 30C adjust voice signals or video-audio signal according to control code 64 for a moment after, give expanding device 20 via one of corresponding transmission of signal wire 68A, 68B, 68C.And be to control between expanding device 20 and playing device 30A, 30B, 30C with infrared ray (IR) or radio frequency wireless modes such as (RF).Expanding device 20 is if can be connected with control line 66A, 66B, 66C respectively with playing device 30A, 30B, 30C, then control code can be sent to playing device 30A, 30B, 30C respectively in order to control via control line 66A, 66B, 66C, need not to be provided with transmitter 24.
Please refer to Fig. 4, be depicted as calcspar according to the another preferred embodiment of automobile-used audio-video system of the present invention.Compare with Fig. 1, Fig. 4 is integrated into single main frame 100 with expanding device 20 and main frame 10, and remainder is all identical or similar, so repeat no more.
Please refer to Fig. 5, be depicted as the detailed circuit diagram that has the automobile-used audio-visual expanding device 20 of learning functionality according to the present invention.As shown in Figure 5, expanding device 20 mainly has microcontroller 200, control code storer 210 and signal shifter 220 etc., wherein microcontroller 200 control expanding devices 20 whole control operations, control code storer 210 is to couple with microcontroller 200, in order to the button 34 of storage of remote control 32 and the annexation of button 12 the two control code of corresponding main frame 10.And signal shifter 220 is to couple with microcontroller 200, illustrates three multicasts at Fig. 5 and puts the auxiliary input signal of device (AUX1_Audio/AUX1_Video, AUX2_Audio/AUX2_Video, AUX3_Audio/AUX3_Video) and carry out blocked operation.In addition, signal shifter 220 audio signal output terminals 221 are coupled with an audio buffer (audio buffer) 230, and VT 222 is coupled with a video buffer (videobuffer) 240, audio buffer 230 all is connected to main frame 10 with the output terminal of video buffer 240, promptly constitutes signal wire 70.
In addition, as shown in Figure 5, the control line 62 that main frame 10 and expanding device are 20 is to be connected between microcontroller 200 and the main frame 10, a bus buffer 250 also can be set therebetween.And receiver 22 is to couple with microcontroller 200 with transmitter 24, via the control of microcontroller 200, respectively in order to receive control code 60 and emission control sign indicating number 64; If transmitter 24 is infrared transmitter, a 38KHz oscillator 260 then can be set between microprocessor 200 and transmitter 24; In addition, also can omit oscillator 260, get final product with the oscillation frequency that software mode produces 38KHz by microcontroller 200.As described above, expanding device 20 also can control line 66 direct transmission control codes, and need not to be provided with transmitter 24.Label 270 is represented a voltage regulator (voltage regulator), is the DC voltage that the 12V DC voltage on the car is converted to 5V or 8V, as the power supply of expanding device 20.

Claims (22)

1. the automobile-used audio-visual expanding device with learning functionality is coupled between a main frame and a playing device; This playing device has a telepilot, and this telepilot is provided with first button, produces first control code by pushing this first button, then can do corresponding control to this playing device; This main frame has second button, by pushing this second button, provides second control code to this expanding device; This automobile-used audio-visual expanding device comprises:
One receiver is in order to receive this first control code;
One controller is coupled to this receiver and this main frame, handles this first control code and this second control code; And
One storer is coupled to this controller; When under learning state, this controller connects to a corresponding relation with this first control code and this second control code, is stored in this control code storer; When under mode of operation, push this second button of this main frame, this controller can produce one the 3rd control code this playing device is carried out this corresponding control according to this corresponding relation.
2. automobile-used audio-visual expanding device as claimed in claim 1 is characterized in that also comprising a transmitter, gives this playing device in order to transmit the 3rd control code.
3. automobile-used audio-visual expanding device as claimed in claim 1 is characterized in that also comprising a control line, gives this playing device in order to transmit the 3rd control code.
4. automobile-used audio-visual expanding device as claimed in claim 1 is characterized in that also comprising a bus buffer, is coupled between this controller and this main frame, handles this second control code.
5. automobile-used audio-visual expanding device as claimed in claim 1 is characterized in that this telepilot is an infrared remote controller.
6. automobile-used audio-visual expanding device as claimed in claim 5 is characterized in that this receiver is an infrared receiver.
7. automobile-used audio-visual expanding device as claimed in claim 1 is characterized in that this telepilot is a radio-frequency (RF) remote.
8. automobile-used audio-visual expanding device as claimed in claim 7 is characterized in that this receiver is a radio frequency receiver.
9. automobile-used audio-video system with learning functionality comprises:
One playing device has a telepilot, and this telepilot is provided with first button, produces first control code by pushing this first button, then can do corresponding control to this playing device;
One main frame has second button, by pushing this second button, produces one second control code; And
One expanding device is coupled between this main frame and this playing device; When under learning state, this expanding device is handled this first control code and is produced a corresponding relation with this second control code; When under mode of operation, push this second button of this main frame, this expanding device can produce one the 3rd control code this playing device is carried out this corresponding control according to this corresponding relation.
10. automobile-used audio-video system as claimed in claim 9 is characterized in that this expanding device comprises:
One receiver is in order to receive this first control code;
One controller is coupled to this receiver and this main frame, in order to handle this first control code and this second control code; And
One storer is coupled to this controller; When under this learning state, this controller connects to a corresponding relation with this first control code and this second control code, is stored in this storer; When under mode of operation, push this second button of this main frame, this controller can produce the 3rd control code this playing device is carried out this corresponding control according to this corresponding relation.
11. automobile-used audio-video system as claimed in claim 10 is characterized in that also comprising a transmitter, gives this playing device in order to transmit the 3rd control code.
12. automobile-used audio-video system as claimed in claim 10 is characterized in that also comprising a control line, gives this playing device in order to transmit the 3rd control code.
13. automobile-used audio-video system as claimed in claim 10 is characterized in that also comprising a bus buffer, is coupled between this controller and this main frame, handles this second control code.
14. automobile-used audio-video system as claimed in claim 10 is characterized in that this telepilot is an infrared remote controller.
15. automobile-used audio-video system as claimed in claim 14 is characterized in that this receiver is an infrared receiver.
16. automobile-used audio-video system as claimed in claim 10 is characterized in that this telepilot is a radio-frequency (RF) remote.
17. automobile-used audio-video system as claimed in claim 16 is characterized in that this receiver is a radio frequency receiver.
18. automobile-used audio-video system as claimed in claim 9 is characterized in that this main frame and this expanding device are integrated in single device.
19. the learning method of an automobile-used audio-video system comprises the following steps:
Start a learning state;
Push one first button on a telepilot, so as to launching one first control code, this first control code can be carried out corresponding control to a playing device;
Receive this first control code by an expanding device;
On a main frame, push one second button, give this expanding device so as to producing one second control code; And
This expanding device receives this first control code and this second control code, produces a corresponding relation, replaces this first button so as to making this second button.
20. learning method as claimed in claim 19 is characterized in that it being that a set button of pushing on this main frame starts this learning state.
21. the learning method shown in claim 19 is characterized in that it being that a set button of pushing on this expanding device starts this learning state.
22. learning method as claimed in claim 19 is characterized in that it being that the start-up control line of this expanding device of activation starts this learning state.
CNA2006101639431A 2006-11-29 2006-11-29 Vehicular image and sound expansion apparatus with study function and Vehicular image and sound system using same and study method Pending CN101192340A (en)

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CNA2006101639431A CN101192340A (en) 2006-11-29 2006-11-29 Vehicular image and sound expansion apparatus with study function and Vehicular image and sound system using same and study method

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101450650B (en) * 2008-12-19 2012-12-19 杨尧任 Code study method of automobile alarm system and automobile original remote controller
CN104517429A (en) * 2013-09-27 2015-04-15 关隆股份有限公司 Wi-Fi/wireless radio frequency conversion apparatus
CN105139631A (en) * 2015-08-11 2015-12-09 广东博威尔电子科技有限公司 Code pairing method for infrared opposite-type sensor and sensor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101450650B (en) * 2008-12-19 2012-12-19 杨尧任 Code study method of automobile alarm system and automobile original remote controller
CN104517429A (en) * 2013-09-27 2015-04-15 关隆股份有限公司 Wi-Fi/wireless radio frequency conversion apparatus
CN105139631A (en) * 2015-08-11 2015-12-09 广东博威尔电子科技有限公司 Code pairing method for infrared opposite-type sensor and sensor

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