CN212381329U - Television receiver with DVB-T digital signal receiving function - Google Patents
Television receiver with DVB-T digital signal receiving function Download PDFInfo
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- CN212381329U CN212381329U CN202021667566.7U CN202021667566U CN212381329U CN 212381329 U CN212381329 U CN 212381329U CN 202021667566 U CN202021667566 U CN 202021667566U CN 212381329 U CN212381329 U CN 212381329U
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- 230000005236 sound signal Effects 0.000 claims description 24
- 238000010295 mobile communication Methods 0.000 abstract description 5
- 230000006870 function Effects 0.000 description 9
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Abstract
The utility model discloses a television receiver with DVB-T digital signal receiving function, which belongs to the field of television receivers and comprises a digital decoding board, an analog signal processing mainboard and a Bluetooth module, wherein the signal output end of the Bluetooth module is respectively connected with the digital decoding board and the analog signal processing board; the Bluetooth module is connected with the Bluetooth module in a matching mode, and the signal transmitting end transmits signals by adopting a mobile phone. The utility model discloses a television receiver with DVB-T digital signal reception function, through bluetooth module, utilize the on one's body mobile communication equipment of people can operate the TV set and carry out the work of broadcast, made things convenient for the use of TV set.
Description
Technical Field
The utility model relates to a television receiver field especially relates to the television receiver who has DVB-T digital signal reception function.
Background
DVB-T is a terrestrial digital broadcasting standard established in Europe, and is used in most cities in China. DVB-T digital broadcasting is received by an additional DVB-T set top box, and is matched with a television set as a display terminal to play programs.
The utility model discloses a utility model patent application number CN200620088420.0 discloses a television receiver with DVB-T digital signal reception function adopts infrared signal as control signal in the contrast file, and equipment such as remote controller need be used in infrared signal's production, and the remote controller belongs to fragile article, and because many people do not have good article to put the custom, causes the damage of remote controller, loses.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problem that a television receiver with DVB-T digital signal receiving function is provided, and through the Bluetooth module, the mobile communication equipment on the body of people is utilized to operate the television to play.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a television receiver with DVB-T digital signal receiving function, including the digital decoding board, the digital decoding board is used for producing analog video and analog audio signal after demodulating, decoding the television signal that the receiving television station sent; the analog signal processing mainboard is used for receiving the signals transmitted by the digital decoding board and converting the signals into video and audio which are output outwards; the signal output end of the Bluetooth module is respectively connected with the digital decoding board and the analog signal processing board circuit; the Bluetooth module is connected with the Bluetooth module in a matching mode, and the signal transmitting end transmits signals by adopting a mobile phone.
Preferably, the digital decoding board comprises a digital tuner, and the digital tuner is used for receiving digital television signals; the demodulator receives the digital signal output by the digital tuner, demodulates the digital signal and outputs a TS (transport stream) signal; the digital decoder is used for decoding the TS stream signal output by the demodulator to generate an analog video signal and an analog audio signal and outputting the analog video signal and the analog audio signal to the analog signal processing mainboard.
Preferably, the analog signal processing main board comprises an audio/video signal processor, the audio/video signal processing circuit decodes the analog video signal sent by the digital decoder to generate an RGB signal, and the RGB signal is displayed by a display after being processed by the video amplifying circuit; and the audio/video signal processor decodes the analog audio signal sent by the digital decoder, amplifies the decoded analog audio signal by An7522 power amplifier circuit and outputs the amplified analog audio signal through a loudspeaker.
Preferably, the analog audio signal output by the digital decoding board is sent to An audio/video switch, is switched with other audio signals and then is input to the audio/video signal processor, and is further amplified by the An7522 power amplifier circuit and then is output by a loudspeaker.
Preferably, the television receiver with the DVB-T digital signal receiving function further comprises a power panel, and the power panel can independently supply power to the digital decoding panel.
Preferably, the bluetooth module is respectively connected to the digital decoder in the digital decoding board and the audio/video signal processor in the analog signal processing main board.
Preferably, the digital decoder is connected to a FLASH program memory and an SDRAM memory, respectively.
The utility model has the advantages that:
utilize bluetooth module, people can not need practical remote controller through the conversion of mobile communication equipment direct control TV program and the regulation of volume, on the one hand, avoided the damage of remote controller like this and lost, on the other hand, mobile communication equipment belongs to the staff and is indispensable, especially the people in the family of arriving at first when friends, family members etc. can control the program through mobile communication equipment completely, compare in remote controller control's mode in addition, the influence that bluetooth connected mode received the barrier is less.
Drawings
Fig. 1 is a schematic circuit diagram of a television receiver with DVB-T digital signal receiving function according to an embodiment of the present invention.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1, the television receiver with DVB-T digital signal receiving function provided in this embodiment includes a digital decoding board, where the digital decoding board is configured to demodulate and decode a television signal sent by a receiving television station to generate an analog video and an analog audio signal; the analog signal processing mainboard is used for receiving the signals transmitted by the digital decoding board and converting the signals into video and audio which are output outwards; the signal output end of the Bluetooth module is respectively connected with the digital decoding board and the analog signal processing board circuit; the television set further comprises a signal transmitting end, the signal transmitting end is connected with the Bluetooth module in a matched mode, the signal transmitting end adopts a mobile phone to transmit signals, and the television set is convenient to use.
Furthermore, the digital decoding board comprises a digital tuner, and the digital tuner is used for receiving digital television signals; the demodulator receives the digital signal output by the digital tuner, demodulates the digital signal and outputs a TS (transport stream) signal; the digital decoder is used for decoding the TS stream signal output by the demodulator to generate an analog video signal and an analog audio signal and outputting the analog video signal and the analog audio signal to the analog signal processing main board.
Furthermore, the analog signal processing mainboard comprises An audio/video signal processor, the audio/video signal processing circuit decodes the analog video signal sent by the digital decoder to generate An RGB signal, the RGB signal is displayed by the display after being processed by the video amplifying circuit, and the audio/video signal processor decodes the analog audio signal sent by the digital decoder, amplifies the analog audio signal by the An7522 power amplifier circuit and outputs the analog audio signal through the loudspeaker.
Further, the analog audio signal output by the digital decoding board is sent to An audio/video switch, is switched with other audio signals and then is input to An audio/video signal processor, and is amplified by An7522 power amplifier circuit and then is output by a loudspeaker.
Furthermore, the television receiver with the DVB-T digital signal receiving function also comprises a power panel, and the power panel can be used for supplying power to the external receiver integrally and independently supplying power to the digital decoding panel.
Furthermore, the bluetooth module is respectively connected with the digital decoder in the digital decoding board and the audio/video signal processor in the analog signal processing mainboard.
Further, the digital decoder is respectively connected with a FLASH program memory and an SDRAM memory.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (7)
1. A television receiver having DVB-T digital signal reception functionality, comprising:
the digital decoding board is used for demodulating and decoding television signals sent by a receiving television station to generate analog video and analog audio signals;
the analog signal processing mainboard is used for receiving the signals transmitted by the digital decoding board and converting the signals into video and audio which are output outwards;
the signal output end of the Bluetooth module is respectively connected with the digital decoding board and the analog signal processing board circuit;
the signal transmitting terminal is connected with the Bluetooth module in a matching mode, and the signal transmitting terminal adopts a mobile phone to transmit signals.
2. The television receiver with DVB-T digital signal reception capability according to claim 1, wherein the digital decoding board comprises:
a digital tuner for receiving digital television signals;
the demodulator receives the digital signal output by the digital tuner, demodulates the digital signal and outputs a TS (transport stream) signal;
and the digital decoder is used for decoding the TS stream signal output by the demodulator to generate an analog video signal and an analog audio signal and outputting the analog video signal and the analog audio signal to the analog signal processing main board.
3. The television receiver with DVB-T digital signal receiving capability of claim 2, wherein the analog signal processing motherboard comprises:
the audio/video signal processor decodes the analog video signal sent by the digital decoder to generate an RGB signal, and the RGB signal is displayed by the display after being processed by the video amplifying circuit;
and the audio/video signal processor decodes the analog audio signal sent by the digital decoder, amplifies the decoded analog audio signal by An7522 power amplifier circuit and outputs the amplified analog audio signal through a loudspeaker.
4. A television receiver having DVB-T digital signal reception capability according to claim 3 wherein:
and the analog audio signal output by the digital decoding board is sent to An audio/video selector switch, is switched with other audio signals and then is input to the audio/video signal processor, and is amplified by the An7522 power amplifier circuit and then is output by a loudspeaker.
5. The television receiver with DVB-T digital signal receiving capability according to claim 1, further comprising:
and the power panel can independently supply power for the digital decoding panel.
6. A television receiver having DVB-T digital signal reception capability according to claim 3 wherein:
the Bluetooth module is respectively connected with the digital decoder in the digital decoding board and the audio/video signal processor in the analog signal processing mainboard.
7. The television receiver with DVB-T digital signal reception capability of claim 2, wherein:
the digital decoder is respectively connected with the FLASH program memory and the SDRAM memory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021667566.7U CN212381329U (en) | 2020-08-12 | 2020-08-12 | Television receiver with DVB-T digital signal receiving function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021667566.7U CN212381329U (en) | 2020-08-12 | 2020-08-12 | Television receiver with DVB-T digital signal receiving function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212381329U true CN212381329U (en) | 2021-01-19 |
Family
ID=74173094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021667566.7U Expired - Fee Related CN212381329U (en) | 2020-08-12 | 2020-08-12 | Television receiver with DVB-T digital signal receiving function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212381329U (en) |
-
2020
- 2020-08-12 CN CN202021667566.7U patent/CN212381329U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210119 |
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| CF01 | Termination of patent right due to non-payment of annual fee |