CN201001150Y - Liquid crystal TV DVB-T integrated machine - Google Patents
Liquid crystal TV DVB-T integrated machine Download PDFInfo
- Publication number
- CN201001150Y CN201001150Y CNU2007201058912U CN200720105891U CN201001150Y CN 201001150 Y CN201001150 Y CN 201001150Y CN U2007201058912 U CNU2007201058912 U CN U2007201058912U CN 200720105891 U CN200720105891 U CN 200720105891U CN 201001150 Y CN201001150 Y CN 201001150Y
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- dvb
- output
- liquid crystal
- video
- tuner
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Abstract
The utility model relates to a liquid crystal television and DVB-T integrated machine, which comprises a liquid crystal television. The liquid crystal television comprises a casing, a liquid crystal display screen, a television receiver motherboard, a machine core carrying plate, a liquid crystal display screen, and a television receiver motherboard, wherein the television receiver motherboard comprises a video signal decoder, a DVB-T receiver is arranged in the casing, the DVB-T receiver comprises a DVB-T high frequency head, a DVB-T tuner connected with the output terminal of the DVB-T high frequency head, and a DVB-T de-multiplexing circuit and a decoding circuit which are connected with the output terminal of the DVB-T tuner, the output terminal of the DVB-T de-multiplexing circuit is connected with the decoding chip, and the output terminal of the decoding circuit is connected with the video signal decoder. The liquid crystal television and DVB-T integrated machine of the utility model arranges the DVB-T receiver into the liquid crystal television, therefore complex tie-lines are omitted; and a two-in-one remote controller is more convenient for an user to operate.
Description
(1) technical field
The utility model relates to a kind of LCD TVS DVB-T integrated machine.
(2) background technology
Through improving for many years, reached its maturity at present since LCD TV is come out, it is with characteristics such as thin, light, power saving, low radiation, extremely consumers in general's favor.But LCD TV function in the market is comparatively single, just replaced traditional CRT in the display part with liquid crystal, the not variation of essence on function.Television set is watched purposes such as DVD film, Digital Television, if DVD player all is connected with television set with the DVB-T receiver in addition except receiving common TV, not only line bothers, take the space in room, and need by several remote controller operations, the user uses trouble.
(3) summary of the invention
Line bothers in the prior art in order to overcome, take up room, the deficiency of user's troublesome poeration, and the utility model provides a kind of cumbersome line, user's LCD TVS DVB-T integrated machine simple to operate of saving.
The technical solution of the utility model is:
A kind of LCD TVS DVB-T integrated machine, comprise LCD TV, this LCD TV comprises casing, LCDs, the television receiver mainboard, the movement supporting plate, LCDs, the television receiver mainboard, described television receiver mainboard comprises video signal decoder, the DVB-T receiver also is installed in the described casing, described DVB-T receiver comprises the DVB-T tuner, the DVB-T tuner that is connected with DVB-T tuner output, the DVB-T demultiplexing circuit that is connected with DVB-T tuner output, decoding circuit, the output of described DVB-T demultiplexing circuit is connected with described decoding chip, and described decoding circuit output connects described video signal decoder.
Described decoding circuit adopts the MPEG-4 decoding chip, and it comprises:
Be used for the TS stream signal of the DVB-T of the multiplexing mistake of demodulation is carried out audio frequency, Video Decoder.
Decoded audio signal is amplified the audio frequency 2CH decoder of output through D/A converter.
With the Video Decoder of decoded vision signal through D/A converter and video encoder encodes output YC or composite video signal.
The human-machine operation plate is installed in the described casing, and this human-machine operation plate comprises TV keypad, power supply standby switches, remote controller dash receiver, liquid crystal display screen display backlight drive plate.
Described television receiver mainboard by high, in put and sound accompaniment in charging integrated tuner module, video signal decoder, video a/d converter, frame conversion touch piece, liquid crystal display control module, CPU module and audio/video output/input terminal, antenna input port, DVB-T antenna input port and dc voltage input end mouth and form.
The RF high-frequency signal connects antenna input port, antenna input port connects the tuner module and forms vision signal, the output of described tuner module connects video signal decoder, video a/d converter, frame modular converter, the output of this frame modular converter is connected to TFT liquid crystal display screen control module, and described tuner module, video signal decoder, video a/d converter, frame conversion are touched piece, liquid crystal display control module and all be connected with the CPU module.
Comprise also being used for converting alternating current to 12V galvanic power supply changeover device that the output of described power supply changeover device connects described dc voltage input end mouth.
Described casing is desk-top.
Described casing is wall-hanging.
The beneficial effect of LCD TVS DVB-T integrated machine described in the utility model mainly shows: 1, the DVB-T receiver is built in the LCD TV, saves cumbersome line, allow become cleaner and tidier at home; 2, the remote controller that unites two into one, convenient user manipulates.
(4) description of drawings
Fig. 1 is the front view of LCD TVS DVB-T integrated machine.
Fig. 2 is the cut-away view of LCD TVS DVB-T integrated machine.
Fig. 3 is a LCD TVS DVB-T integrated machine decoding circuit schematic diagram.
Fig. 4 is the block diagram of LCD TVS DVB-T integrated machine TV TV.
(5) embodiment
Below in conjunction with accompanying drawing the utility model is further described.
Embodiment one
Referring to accompanying drawing: a kind of LCD TVS DVB-T integrated machine, comprise LCD TV, this LCD TV comprises casing, LCDs, the television receiver mainboard, the movement supporting plate, LCDs, the television receiver mainboard, described television receiver mainboard comprises video signal decoder, the DVB-T receiver also is installed in the described casing, described DVB-T receiver comprises the DVB-T tuner, the DVB-T tuner that is connected with DVB-T tuner output, the DVB-T demultiplexing circuit that is connected with DVB-T tuner output, decoding circuit, the output of described DVB-T demultiplexing circuit is connected with described decoding chip, and described decoding circuit output connects described video signal decoder.
Described decoding circuit adopts the MPEG-4 decoding chip, and it comprises:
Be used for the TS stream signal of the DVB-T of the multiplexing mistake of demodulation is carried out audio frequency, Video Decoder.
Decoded audio signal is amplified the audio frequency 2CH decoder of output through D/A converter.
With the Video Decoder of decoded vision signal through D/A converter and video encoder encodes output YC or composite video signal.
The human-machine operation plate is installed in the described casing, and this human-machine operation plate comprises TV keypad, power supply standby switches, remote controller dash receiver, liquid crystal display screen display backlight drive plate.
Described television receiver mainboard by high, in put and sound accompaniment in charging integrated tuner module, video signal decoder, video a/d converter, frame conversion touch piece, liquid crystal display control module, CPU module and audio/video output/input terminal, antenna input port, DVB-T antenna input port and dc voltage input end mouth and form.
The RF high-frequency signal connects antenna input port, antenna input port connects the tuner module and forms vision signal, the output of described tuner module connects video signal decoder, video a/d converter, frame modular converter, the output of this frame modular converter is connected to TFT liquid crystal display screen control module, and described tuner module, video signal decoder, video a/d converter, frame conversion are touched piece, liquid crystal display control module and all be connected with the CPU module.
Comprise also being used for converting alternating current to 12V galvanic power supply changeover device that the output of described power supply changeover device connects described dc voltage input end mouth.
Described casing is desk-top.
Referring to Fig. 1-2: LCD TVS DVB-T integrated machine is that DVB-T tuner, DVB-T demultiplexing circuit, decoding circuit are installed in the casing with the LCD TV machine core, is combined into an integral body.Critical piece has: casing 1, LCDs 2, decoding deck 3, DVB-T tuner, DVB-T demultiplexing circuit, liquid crystal display screen display backlight drive plate 4, television receiver mainboard (containing the tuner plate) 5, TV keypad 6, remote controller dash receiver 7, movement supporting plate 8, audio frequency expelling plate 9, loudspeaker 10.Wherein LCDs 2, TV keypad 6, remote controller dash receiver 7, movement supporting plate 8, audio frequency expelling plate 9, loudspeaker 10 are fixed on the casing; Decoding deck 3, liquid crystal display screen display backlight drive plate 4, television receiver mainboard (containing the tuner plate) 5 are installed on the movement supporting plate, are fixed on the casing then.
After the TS stream signal of seeing the DVB-T of the multiplexing mistake of demodulation in the decoding circuit of Fig. 3 is input to (IC201) decoding chip, solve audio frequency (Doby 2CH) and vision signal, audio signal is amplified output behind (IC203) D/A converter, vision signal is exported Y/C or composite video signal behind (IC202) D/A converter and video coding.
Fig. 4 has provided the block diagram of TV circuit.By the high-frequency TV signal of RF port input through integral high frequency head (contain height, in put and video detection, sound accompaniment in put and frequency-discriminating circuit) obtain TV audio/video signal, DVD audio/video signal with DVD output, after after selection is switched, delivering to the processing of (IC106) TFT signal controlling process chip after input (IC102) TV decoding circuit, (IC103) A/D conversion, the conversion of (IC104, IC105) frame, export TFT display screen input to.The TV receiving circuit carries out the coordination control of each intermodule by (IC101) CPU.
Embodiment two
The casing of a kind of LCD TVS DVB-T integrated machine of present embodiment is wall-hanging, and other structures are all identical with embodiment one with implementation.
Claims (7)
1, a kind of LCD TVS DVB-T integrated machine, comprise LCD TV, this LCD TV comprises casing, LCDs, the television receiver mainboard, the movement supporting plate, LCDs, the television receiver mainboard, described television receiver mainboard comprises video signal decoder, it is characterized in that: the DVB-T receiver also is installed in the described casing, described DVB-T receiver comprises the DVB-T tuner, the DVB-T tuner that is connected with DVB-T tuner output, the DVB-T demultiplexing circuit that is connected with DVB-T tuner output, decoding circuit, the output of described DVB-T demultiplexing circuit is connected with described decoding chip, and described decoding circuit output connects described video signal decoder.
2, a kind of LCD TVS DVB-T integrated machine as claimed in claim 1 is characterized in that: described decoding circuit adopts the MPEG-4 decoding chip, and it comprises: be used for the TS stream signal of the DVB-T of the multiplexing mistake of demodulation is carried out audio frequency, Video Decoder; Decoded audio signal is amplified the audio frequency 2CH decoder of output through D/A converter; With the Video Decoder of decoded vision signal through D/A converter and video encoder encodes output YC or composite video signal.
3, a kind of LCD TVS DVB-T integrated machine as claimed in claim 2, it is characterized in that: the human-machine operation plate is installed in the described casing, and this human-machine operation plate comprises TV keypad, power supply standby switches, remote controller dash receiver, liquid crystal display screen display backlight drive plate.
4, a kind of LCD TVS DVB-T integrated machine as claimed in claim 3 is characterized in that: described television receiver mainboard by high, in put and sound accompaniment in charging integrated tuner module, video signal decoder, video a/d converter, frame conversion touch piece, liquid crystal display control module, CPU module and audio/video output/input terminal, antenna input port, DVB-T antenna input port and dc voltage input end mouth and form;
The RF high-frequency signal connects antenna input port, antenna input port connects the tuner module and forms vision signal, the output of described tuner module connects video signal decoder, video a/d converter, frame modular converter, the output of this frame modular converter is connected to TFT liquid crystal display screen control module, and described tuner module, video signal decoder, video a/d converter, frame conversion are touched piece, liquid crystal display control module and all be connected with the CPU module.
5, a kind of LCD TVS DVB-T integrated machine as claimed in claim 4 is characterized in that: comprise also being used for converting alternating current to 12V galvanic power supply changeover device that the output of described power supply changeover device connects described dc voltage input end mouth.
6, a kind of LCD TVS DVB-T integrated machine as claimed in claim 5, it is characterized in that: described casing is desk-top.
7, a kind of LCD TVS DVB-T integrated machine as claimed in claim 5, it is characterized in that: described casing is wall-hanging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201058912U CN201001150Y (en) | 2007-01-24 | 2007-01-24 | Liquid crystal TV DVB-T integrated machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201058912U CN201001150Y (en) | 2007-01-24 | 2007-01-24 | Liquid crystal TV DVB-T integrated machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201001150Y true CN201001150Y (en) | 2008-01-02 |
Family
ID=39015551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201058912U Expired - Fee Related CN201001150Y (en) | 2007-01-24 | 2007-01-24 | Liquid crystal TV DVB-T integrated machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201001150Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102131065A (en) * | 2011-05-04 | 2011-07-20 | 深圳市同洲电子股份有限公司 | Method and system for controlling digital television primary-secondary machine, primary machine and secondary machines |
| CN104967890A (en) * | 2015-08-05 | 2015-10-07 | 张峰 | Intelligent flat digital mobile television |
-
2007
- 2007-01-24 CN CNU2007201058912U patent/CN201001150Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102131065A (en) * | 2011-05-04 | 2011-07-20 | 深圳市同洲电子股份有限公司 | Method and system for controlling digital television primary-secondary machine, primary machine and secondary machines |
| CN104967890A (en) * | 2015-08-05 | 2015-10-07 | 张峰 | Intelligent flat digital mobile television |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Ningbo Boigle Digital Technology Co., Ltd. Assignor: Zhang Changming Contract fulfillment period: 2009.5.16 to 2014.5.15 Contract record no.: 2009990000526 Denomination of utility model: LCD TV DVB-T all-in-one Granted publication date: 20080102 License type: Exclusive license Record date: 20090519 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.5.16 TO 2014.5.15; CHANGE OF CONTRACT Name of requester: NINGBO BOYIGE DIGITAL SCIENCE CO., LTD. Effective date: 20090519 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080102 Termination date: 20130124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |