CN100362857C - Radio audio-visual television receiver - Google Patents
Radio audio-visual television receiver Download PDFInfo
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- CN100362857C CN100362857C CNB2004100363321A CN200410036332A CN100362857C CN 100362857 C CN100362857 C CN 100362857C CN B2004100363321 A CNB2004100363321 A CN B2004100363321A CN 200410036332 A CN200410036332 A CN 200410036332A CN 100362857 C CN100362857 C CN 100362857C
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- 230000005236 sound signal Effects 0.000 claims abstract description 26
- 230000002093 peripheral effect Effects 0.000 claims abstract description 9
- 238000012545 processing Methods 0.000 claims description 26
- 230000005540 biological transmission Effects 0.000 claims description 21
- 239000002131 composite material Substances 0.000 claims description 12
- 238000013144 data compression Methods 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 230000006870 function Effects 0.000 claims description 7
- 230000006837 decompression Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 230000006872 improvement Effects 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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Abstract
The present invention discloses a radio audio-visual television receiver. In the present invention, a radio transmitting box is independently arranged outside a television, and a radio receiving board matched with the radio transmitting box is arranged inside the television; consequently, the radio connection between the television and an audio-visual device is realized. The radio transmitting box receives audio signals and video signals, which are output by a display terminal of a peripheral medium, and the radio transmitting box processes and transmits the audio signals and the video signals; the radio receiving board in the television receives the audio signals and the video signals and converts the audio signals and the video signals into corresponding audio signals and luminance/chrominance signals, which are reproduced on the television; consequently, a user can enjoy television station programs or programs played on a video recorder, a VCD and a DVD under the condition that the television is not connected with any signal line; the entire home looks tidy and compact, and the television actually can be moved at will and placed arbitrarily.
Description
Technical field
The present invention relates to a kind of improvement of TV set circuit, specifically, relate to a kind of liquid crystal TV set that makes and realize the TV set circuit that wireless audiovisual receives.
Background technology
Along with integrated circuit industry development with rapid changepl. never-ending changes and improvements, new technology, emerging in large numbers fast of new product, color television set also by original can only receive that single TV signal develops into can external video tape recorder, VCD player, the medium display terminal of multiple function such as DVD player, but the thing followed is increasing audio frequency, the video connecting line has brought inconvenience to people, especially for popular at present high-end TV product, as liquid crystal TV set LCD TV, when we hang on it on wall, television set with seem loaded down with trivial details and in disorder being connected of audio-visual equipment, influenced the attractive in appearance of whole household.A kind of transmission receiving control device of wireless image-sound display unit in being the patent formerly of CN2552269Y, notification number is disclosed, receive from the audio-video signal in the DVD player by the wireless image-sound emitting mould train is set, after internal circuit is handled, launch by antenna; In display, set up the reception module and carry out wireless receiving, and then realized the broadcast output of video disc player content in display.But, formerly patented technology only can realize the wireless transmission and the wireless receiving function of content in video disc player, video camera or the video recorder, the TV programme of broadcasting for TV station inserts and processing module owing to lacking necessary radiofrequency signal, therefore, can't realize the wireless transmission and the receiving function of TV programme.
Summary of the invention
The present invention is in order to solve the wireless transmission and the reception problem that can't realize TV programme in the prior art, a kind of wireless audiovisual television receiver is provided, the wireless connections between television set and other audio-visual equipment have not only been realized, and the user can not enjoy the highlight that TV station plays under this machine does not connect the situation of any holding wire, thereby makes whole household seem succinct, attractive in appearance.
For solving the problems of the technologies described above, the utility model is achieved by the following technical programs:
A kind of wireless audiovisual television receiver, at the outside wireless transmission box that independently is provided with of described television set, television set inside has additional one and the supporting wireless receiving plate of described launch-box; Described launch-box receives audio frequency, the vision signal of peripheral media display terminal output, with its processing after antenna launch; Described wireless receiving plate receives the signal that launch-box sends, and the signal-powered machine of looking of corresponding audio signal and brightness/chroma that converts it into shows; Described wireless transmission box is provided with rf input terminal, and described rf input terminal links to each other with the wire signal line, receives the radio television signal that TV station sends.
As a preferred embodiment of the present invention, described wireless transmission box is provided with the S terminal and the AV terminal that can link to each other with the peripheral media display terminal, and the radio television signal that described rf input terminal sends TV station changes into composite video signal and the output of sound carrier signal; Described S terminal links to each other with the peripheral media display terminal with AV terminal, receives the brightness/chroma signal of its output and composite video, audio signal respectively; The composite video signal of the brightness/chroma signal of the composite video signal of described rf input terminal output, the output of S terminal and AV terminal output is exported to a data compression chip behind digital video coding chip coding; The audio signal of the sound carrier signal of described rf input terminal output and AV terminal output is after Audio Processing chip decoding, export to an audio encoding chip through analog-to-digital conversion and carry out digital coding, and the digital signal after will encoding sends described data compression chip to, with the digital video code signal together compress be processed into the MPEG2 form packed data under the control of central processing unit, launch through antenna by wireless network card.
As another preferred embodiment of the present invention, wireless network card receives the packed data that described launch-box sends by antenna in described wireless receiving plate, under the control of central processing unit, export to a data decompression shrinking chip, packed data is decoded into the audio signal and the vision signal of number format, wherein, vision signal is decoded into the road S terminal that the brightness/chroma signal enters into television set through a video decoding chip; Audio signal then is decoded into simulated audio signal by an audio decoder chip and enters into and the corresponding tv audio input terminal of S terminal, and television set shows tv screen according to the brightness/chroma signal and the audio-signal-driven display of input.
As further qualification to first preferred embodiment, in described wireless transmission box, central processing unit links to each other with a receiver of remote-control sytem, and the remote control circuit of described receiver of remote-control sytem and this machine of television set is in parallel, and realizes the selection to wireless transmission box end input signal source; Described choice menus is provided by a menu display chip, and it links to each other with described video decoding chip; Described data compression coding chip links to each other with a SDRAM memory, stores the packed data of the MPEG2 form of its output; Central processing unit links to each other with a flash memory FLASH chip, the driver of each chip on the whole expelling plate of storage in described FLASH chip.
As the further qualification to second preferred embodiment, in described wireless receiving plate, the data decompression shrinking chip links to each other with a SDRAM memory, stores its decoded sound, vision signal; Central processing unit links to each other with a flash memory FLASH chip, the driver of each chip on the whole dash receiver of storage in described FLASH chip.
Compared with prior art, advantage of the present invention and good effect are: the present invention is at the outside wireless transmission box that independently is provided with of television set, the inner setting wireless receiving plate supporting with it, receive the audio frequency of TV station and the output of peripheral media display terminal by launch-box, vision signal, and with its processing after antenna launch, receive by the wireless receiving plate in the television set again, convert it into corresponding audio signal and the brightness/chroma signal reproduces on this machine, thereby the wireless connections between television set and rf signal line and audio-visual equipment have been realized, make the user under this machine does not connect the situation of any holding wire, not enjoy TV station or video tape recorder, VCD, the highlight that DVD player is play, thereby make whole household seem succinct, realized that really following one's inclinations of television set moves, and puts arbitrarily.
Description of drawings
Fig. 1 is the schematic block circuit diagram of wireless transmission box of the present invention;
Fig. 2 is the schematic block circuit diagram of television internal wireless receiving plate of the present invention;
Fig. 3 is the audio-video signal display circuit theory diagram of television set of the present invention inside.
Embodiment
The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is the schematic block circuit diagram of wireless transmission box of the present invention, on the wireless transmission box, be provided with rf input terminal tuner, S-Video input terminal and two-way AV input terminal, described rf input terminal links to each other with the wire signal line, the radio television signal that TV station sends is tuning through inside, mixing, in put, after detection, frequency discrimination handle, export composite video signal and sound carrier signal respectively; Described S-Video terminal links to each other with peripheral media display terminal such as video tape recorder, VCD machine or DVD player with AV terminal, receives the brightness/chroma signal Y/C of its output and composite video, audio signal respectively.Wherein, the y/c signal of the composite video signal of rf input terminal output, the output of S-Video terminal and the composite video signal of AV terminal output output among the data compression chip uPD61051 behind digital video coding chip SAA7115H coding; The audio signal of the sound carrier signal of rf input terminal output and two AV terminal outputs then enters among the Audio Processing chip MSP3450, after described Audio Processing chip MSP3450 decodes to the audio signal such as stereo of input, export to audio encoding chip PCM1800E through analog-to-digital conversion and carry out digital coding, and the digital audio and video signals after will encoding is sent among the described data compression chip uPD61051.Described data compression chip uPD61051 together compresses the packed data that is processed into the MPEG2 form with the digital audio and video signals and the vision signal that receive, is stored in the SDRAM storage chip of 64M.Stored the driver of each chip on the whole expelling plate in the flash memory FLASH chip, after launch-box energising work, give central processing unit TF-530 with control, under its control action, the packed data of MPEG2 form is launched through antenna by wireless network card, thereby finished the emission process of signal.
Fig. 2 is the schematic block circuit diagram of television internal wireless receiving plate of the present invention.In TV set terminal, after the wireless transmitting system successful connection, the packed data of the MPEG2 form that the antenna reception transmitting terminal of wireless receiving plate transmits, under the control of central processing unit TF-530, be decoded into the vision signal and the audio signal (the uPD61051 chip is reversible to data compression, the decoding of MPEG2 form) of number format by data decompression shrinking chip uPD61051.Wherein, digital video signal is decoded into the road S-VIDEO terminal that brightness/chroma signal Y/C enters into television set through video decoding chip ADV7177; Digital audio and video signals then is decoded into simulated audio signal by audio decoder chip PCM1740 and enters into and the corresponding tv audio input terminal of S-VIDEO terminal, thereby finishes the wireless penetration input to television signal.
In addition, in wireless receiving plate central processing unit chip, be provided with remote control signal reception and handle pin, the remote control circuit of it and this machine of television set is in parallel, and can select the input signal source of wireless transmission box end and finishes and search functions such as platform, system conversion under the radio frequency by remote controller.Wherein, the menu of wireless portion provides demonstration by menu display chip T8570D.
Fig. 3 is that the audio-video signal display circuit theory diagram of television set of the present invention inside is example with the LCD TV.The brightness/chroma signal that dash receiver is sent enters into analog-to-digital conversion decoding chip VPC3230D by wireless S-VIDEO connection, become digital signal to enter into the central processing unit Gm1501 of LCD TV inside analog signal conversion, and then drive the liquid crystal display screen demonstration.The audio signal that dash receiver is sent, promotes loud speaker output, thereby has finished the reproduction of audio-video signal on LCD TV after power amplifier chip TDA7266B amplifies then by after the Audio Processing chip MSP3450 decoding.Other functions of this machine are identical with the common color liquid crystal TV set.
The present invention has realized the wireless audiovisual function of color television set by adopting above circuit structure, and this circuit not only can be applied in the present LCD TV, and in the same color TV applicable to other types such as plasmas.Certainly; above-mentioned explanation is not to be limitation of the present invention; the present invention also is not limited in above-mentioned giving an example, and variation, remodeling, interpolation or replacement that those skilled in the art are made in essential scope of the present invention also should belong to protection scope of the present invention.
Claims (10)
1. wireless audiovisual television receiver, at the outside wireless transmission box that independently is provided with of described television set, television set inside has additional one and the supporting wireless receiving plate of described launch-box; Described launch-box receives audio frequency, the vision signal of peripheral media display terminal output, with its processing after antenna launch; Described wireless receiving plate receives the signal that launch-box sends, and the signal-powered machine of looking of corresponding audio signal and brightness/chroma that converts it into shows; It is characterized in that: described wireless transmission box is provided with rf input terminal, and described rf input terminal links to each other with the wire signal line, receives the radio television signal that TV station sends.
2. wireless audiovisual television receiver according to claim 1 is characterized in that: described wireless transmission box is provided with the S terminal and the AV terminal that can link to each other with the peripheral media display terminal.
3. wireless audiovisual television receiver according to claim 2 is characterized in that: the radio television signal that described rf input terminal sends TV station changes into composite video signal and the output of sound carrier signal; Described S terminal links to each other with the peripheral media display terminal with AV terminal, receives the brightness/chroma signal of its output and composite video, audio signal respectively; The composite video signal of the brightness/chroma signal of the composite video signal of described rf input terminal output, the output of S terminal and AV terminal output is exported to a data compression chip behind digital video coding chip coding; The audio signal of the sound carrier signal of described rf input terminal output and AV terminal output is after Audio Processing chip decoding, export to an audio encoding chip through analog-to-digital conversion and carry out digital coding, and the digital signal after will encoding sends described data compression chip to, with the digital video code signal together compress be processed into the MPEG2 form packed data under the control of central processing unit, launch through antenna by wireless network card.
4. according to claim 1 or 2 or 3 described wireless audiovisual television receivers, it is characterized in that: wireless network card receives the packed data that described launch-box sends by antenna in described wireless receiving plate, under the control of central processing unit, export to a data decompression shrinking chip, packed data is decoded into the audio signal and the vision signal of number format, wherein, vision signal is decoded into the road S terminal that the brightness/chroma signal enters into television set through a video decoding chip; Audio signal then is decoded into simulated audio signal by an audio decoder chip and enters into and the corresponding tv audio input terminal of S terminal, and television set shows tv screen according to the brightness/chroma signal and the audio-signal-driven display of input.
5. wireless audiovisual television receiver according to claim 4, it is characterized in that: in described wireless receiving plate, the remote control circuit that the remote control of central processing unit receives pin and this machine of television set is in parallel, and realization is to the selection of wireless transmission box end input signal source and finish and search functions such as platform, system conversion under the radio frequency; Described choice menus is provided by a menu display chip, and it links to each other with described video decoding chip.
6. wireless audiovisual television receiver according to claim 3 is characterized in that: in described wireless transmission box, the data compression coding chip links to each other with a SDRAM memory, stores the packed data of the MPEG2 form of its output.
7. wireless audiovisual television receiver according to claim 3 is characterized in that: in described wireless transmission box, central processing unit links to each other with a flash memory FLASH chip, the driver of each chip on the whole expelling plate of storage in described FLASH chip.
8. wireless audiovisual television receiver according to claim 4 is characterized in that: in described wireless receiving plate, the data decompression shrinking chip links to each other with a SDRAM memory, stores its decoded sound, vision signal.
9. wireless audiovisual television receiver according to claim 4 is characterized in that: in described wireless receiving plate, central processing unit links to each other with a flash memory FLASH chip, the driver of each chip on the whole dash receiver of storage in described FLASH chip.
10. wireless audiovisual television receiver according to claim 3, it is characterized in that: in described wireless transmission box, the model of digital video coding chip is SAA7115H, the model of Audio Processing chip is MSP3450, the model of audio encoding chip is PCM1800E, the model of data compression chip is uPD61051, and it is the chip realization of TF-530 that central processing unit adopts a model; In described wireless receiving plate, the model of data decompression shrinking chip is uPD61051, and the model of video decoding chip is ADV7177, and the model of audio decoder chip is PCM1740, and it is the chip realization of TF-530 that central processing unit adopts a model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100363321A CN100362857C (en) | 2004-11-19 | 2004-11-19 | Radio audio-visual television receiver |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100363321A CN100362857C (en) | 2004-11-19 | 2004-11-19 | Radio audio-visual television receiver |
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| CN1610389A CN1610389A (en) | 2005-04-27 |
| CN100362857C true CN100362857C (en) | 2008-01-16 |
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| CNB2004100363321A Active CN100362857C (en) | 2004-11-19 | 2004-11-19 | Radio audio-visual television receiver |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101582199B (en) * | 2009-06-12 | 2012-10-17 | 深圳创维－Rgb电子有限公司 | Wireless remote control television system |
| CN102957889A (en) * | 2011-08-25 | 2013-03-06 | 天津三星电子有限公司 | Device capable of realizing wireless connection between multimedia terminal and television |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2552269Y (en) * | 2002-05-31 | 2003-05-21 | 林慧龄 | Transmitting-receiving controller for wireless image sound display device |
| JP2004193805A (en) * | 2002-12-09 | 2004-07-08 | Toshiba Corp | Semiconductor integrated circuit, av receiver, av transmitter, av communication system, av communication method, and av communication control program |
| WO2004093440A1 (en) * | 2003-04-17 | 2004-10-28 | Sharp Kabushiki Kaisha | Wireless av system, av system, wireless center, av output device, station selection method, station selection data generation method, control program, and computer-readable recording medium containing the control program |
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2004
- 2004-11-19 CN CNB2004100363321A patent/CN100362857C/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2552269Y (en) * | 2002-05-31 | 2003-05-21 | 林慧龄 | Transmitting-receiving controller for wireless image sound display device |
| JP2004193805A (en) * | 2002-12-09 | 2004-07-08 | Toshiba Corp | Semiconductor integrated circuit, av receiver, av transmitter, av communication system, av communication method, and av communication control program |
| WO2004093440A1 (en) * | 2003-04-17 | 2004-10-28 | Sharp Kabushiki Kaisha | Wireless av system, av system, wireless center, av output device, station selection method, station selection data generation method, control program, and computer-readable recording medium containing the control program |
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Address after: 266071 Shandong city of Qingdao province Jiangxi City Road No. 11 Co-patentee after: Hisense Visual Technology Co., Ltd. Patentee after: HISENSE Co.,Ltd. Address before: 266071 Shandong city of Qingdao province Jiangxi City Road No. 11 Co-patentee before: QINGDAO HISENSE ELECTRONICS Co.,Ltd. Patentee before: HISENSE Co.,Ltd. |