CN201717950U - USB high definition digital TV set-top box - Google Patents
USB high definition digital TV set-top box Download PDFInfo
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- CN201717950U CN201717950U CN 201020260929 CN201020260929U CN201717950U CN 201717950 U CN201717950 U CN 201717950U CN 201020260929 CN201020260929 CN 201020260929 CN 201020260929 U CN201020260929 U CN 201020260929U CN 201717950 U CN201717950 U CN 201717950U
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Abstract
The utility model belongs to the technical field of TV set-top boxes and particularly relates to a USB high definition digital TV set-top box. The USB high definition digital TV set-top box comprises a box body and a high definition digital TV signal reception and modulation module, a digital signal processing module, a high definition digital TV smart card decryption module and a USB module, which are arranged inside the box body, wherein the high definition digital TV signal reception and modulation module is electrically connected with the digital signal processing module, the high definition digital TV smart card decryption module is electrically connected with the digital signal processing module, and the digital signal processing module is electrically connected with the USB module. The USB high definition digital TV set-top box allows people to watch the cable digital TV program through the computer and has the advantages of compact structure, low equipment cost and low power consumption.
Description
Technical field:
The utility model relates to the TV box technical field, relates in particular to a kind of USB digital TV in high resolution box.
Background technology:
In recent years, along with the continuous development and the innovation of computer technology, people can receive and TV reception by computer.Because the resolution of computer display is far above general television set, and easy to operate, and perfect in shape and function more and more is subjected to people's favor by the computer TV reception.
In the prior art, many areas still adopt traditional TV box to receive anolog TV signals, play out program by computer again.Traditional TV box can only receive anolog TV signals, because the definition of the image of anolog TV signals is not high, the effect of sound is bad, and antijamming capability is poor, signal transmission quality is subjected to external interference easily, is therefore having a strong impact on the play quality of program.
The quickening with the cable television digital development process carried out along with the whole conversion work of cable digital TV, this emerging television-viewing of cable digital TV and transmission means have begun to be familiar with by more cable TV subscriber, and more and more receive more cable TV subscribers' concern.Cable digital TV has the characteristics near DVD high definition image quality, simultaneously, also has characteristics such as can selecting more TV station and request program, and these characteristics have increased many colors for cable TV subscriber's life.Therefore, can only receive the not high traditional TV box of anolog TV signals and play quality, the digital TV in high resolution box that is used to receive digital catv signal is inevitably replaced.Yet existing digital TV in high resolution box needs external power supply, and structure is compact inadequately, so its equipment cost is higher, and power consumption is more.
The utility model content:
The purpose of this utility model is to provide a kind of people of making to watch the cable digital TV program by computer at the deficiencies in the prior art, and compact conformation, and equipment cost is lower, the USB digital TV in high resolution box that power consumption is less.
For achieving the above object, the utility model is realized by the following technical solutions:
A kind of USB digital TV in high resolution box, it comprises box body, it comprises that also the digital TV in high resolution signal that is built in box body receives and reconcile module, digital signal processing module, digital TV in high resolution smart card deciphering module and USB module; Described digital TV in high resolution signal receives and reconciles module and is electrically connected described digital signal processing module, and described digital TV in high resolution smart card deciphering module is electrically connected described digital signal processing module, and described digital signal processing module is electrically connected described USB module.
Described digital signal processing module comprises digital signal audio frequency decoder module and comprises digital signal video decode module.
It also comprises the USB interface that is arranged at box body, and described USB interface is electrically connected described USB module.
It also comprises the infrared remote control receiver module that is built in box body, and described digital signal processing module is electrically connected described infrared remote control receiver module.
It also comprises remote controller, remote controller and the wireless connections of described infrared remote control receiver module.
Described box body is inserted with digital television intelligent card, and digital television intelligent card is electrically connected described digital TV in high resolution smart card deciphering module.
Described box body also is built-in with the cable modem.
Described digital TV in high resolution signal receives and reconciles module and comprises input interface, and described input interface is arranged at described box body.
Described digital TV in high resolution signal receives and reconciles module and also comprises tuner.
Described digital TV in high resolution signal receives and reconciles module and also comprises qam demodulator.
The beneficial effects of the utility model are: a kind of USB digital TV in high resolution box described in the utility model, and it comprises that the digital TV in high resolution signal that is built in box body receives and reconcile module, digital signal processing module, digital TV in high resolution smart card deciphering module and USB module; The digital TV in high resolution signal receives and reconciles module and is electrically connected digital signal processing module, and digital TV in high resolution smart card deciphering module is electrically connected digital signal processing module, and digital signal processing module is electrically connected the USB module.Adopt the USB digital TV in high resolution box of said structure, its course of work is, the high-definition digital signal is after the digital TV in high resolution signal receives and reconciles resume module, generate the digital transport stream signal, digital transport stream signal conveys to digital signal processing module is decoded, be decrypted through digital TV in high resolution smart card deciphering module, sound, vision signal after deciphering output to computer by the USB module again, and the display by computer plays out program at last; The USB module also can provide working power for USB digital TV in high resolution box after being connected to computer simultaneously.Therefore, a kind of USB digital TV in high resolution box described in the utility model not only makes people to watch the cable digital TV program by computer, and need not external power supply, makes its compact conformation, and equipment cost is lower, and power consumption is less.
Description of drawings:
Fig. 1 is an operation principle block diagram of the present utility model.
Label comprises in the accompanying drawing:
1---digital signal processing module, 11---digital signal audio frequency decoder module,
12---digital signal video decode module,
2---reception of digital TV in high resolution signal and conciliation module,
3---digital TV in high resolution smart card deciphering module, 4USB module,
5---infrared remote control receiver module, 6---remote controller, 7---computers
Embodiment:
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment one, as shown in Figure 1, a kind of USB digital TV in high resolution box, it comprises box body, and is built in the digital TV in high resolution signal reception of box body and reconciles module 2, digital signal processing module 1, digital TV in high resolution smart card deciphering module 3 and USB module 4; The digital TV in high resolution signal receives and reconciles module 2 and is electrically connected digital signal processing module 1, and digital TV in high resolution smart card deciphering module 3 is electrically connected digital signal processing module 1, and digital signal processing module 1 is electrically connected USB module 4.USB module 4 is electrically connected with USB interface, and USB interface is arranged at box body, and USB module 4 connects computer 7 by USB interface.Further, digital signal processing module 1 comprises digital signal audio frequency decoder module 11 and digital signal video decode module 12.Further, the digital TV in high resolution signal receives and reconciles module 2 and comprises input interface, tuner and qam demodulator, and input interface is arranged at box body.Further, box body is inserted with digital television intelligent card, and digital television intelligent card is electrically connected described digital TV in high resolution smart card deciphering module 3, and in the present embodiment one, digital television intelligent card is the CA smart card.
As preferred implementation, described box body also is built-in with the cable modem.USB digital TV in high resolution box can be realized the internet access function by built-in cable modem, makes the user surf the Net send Email etc. by the built-in browser of set-top box.
The course of work of above-mentioned USB digital TV in high resolution box is: USB digital TV in high resolution box connects the signal port of cable digital TV by input interface, the digital TV in high resolution signal receives and reconciles the high-definition digital signal that module 2 receives from above-mentioned signal port, by tuner the high-definition digital signal is amplified then, and handle transmitting anamorphose and the interference that instability causes, finish channel-decoding by qam demodulator again, and from carrier wave, isolate the digital transport stream signal (TS code stream) that comprises sound, video and other data message; Then, the digital transport stream signal is transported to digital signal processing module 1, is decoded by digital signal audio frequency decoder module 11 and digital signal video decode module 12.At this moment, the user must obtain mandate by exclusive digital television intelligent card can receive decoded signal, decoded signal is decrypted through digital TV in high resolution smart card deciphering module 3, again the sound after the deciphering, vision signal outputs to computer 7 through USB module 4, digital video signal machine 7 video decodes as calculated outputs to the display of computer 7, digital audio and video signals machine 7 audio decoders as calculated outputs to the audio amplifier of computer 7, realize the synchronous output of digital video signal and digital audio and video signals, thereby can watch the HDTV (High-Definition Television) program by computer 7.In addition, USB module 4 also can provide working power for USB digital TV in high resolution box after being connected to computer 7 by USB interface simultaneously.Therefore, a kind of USB digital TV in high resolution box described in the utility model not only makes people to watch the cable digital TV program by computer 7, and need not external power supply, makes its compact conformation, and equipment cost is lower, and power consumption is less.
Embodiment two, as shown in Figure 1, the difference with embodiment one is present embodiment two described a kind of USB digital TV in high resolution boxes, also comprise remote controller 6 and the infrared remote control receiver module 5 that is built in box body, digital signal processing module 1 is electrically connected infrared remote control receiver module 5.Remote controller 6 and 5 wireless connections of infrared remote control receiver module.So, can use a teleswitch easily that silence switch, the volumes of 6 control USB digital TV in high resolution boxes are regulated, programs are transferred platform etc.Its course of work is identical with embodiment one, no longer is repeated in this description at this.
The above only is preferred embodiment of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.
Claims (10)
1. USB digital TV in high resolution box, it comprises box body, it is characterized in that: it comprises that also the digital TV in high resolution signal that is built in box body receives and reconcile module, digital signal processing module, digital TV in high resolution smart card deciphering module and USB module; Described digital TV in high resolution signal receives and reconciles module and is electrically connected described digital signal processing module, and described digital TV in high resolution smart card deciphering module is electrically connected described digital signal processing module, and described digital signal processing module is electrically connected described USB module.
2. a kind of USB digital TV in high resolution box according to claim 1 is characterized in that: described digital signal processing module comprises digital signal audio frequency decoder module and comprises digital signal video decode module.
3. a kind of USB digital TV in high resolution box according to claim 2, it is characterized in that: it also comprises the USB interface that is arranged at box body, described USB interface is electrically connected described USB module.
4. a kind of USB digital TV in high resolution box according to claim 3, it is characterized in that: it also comprises the infrared remote control receiver module that is built in box body, described digital signal processing module is electrically connected described infrared remote control receiver module.
5. a kind of USB digital TV in high resolution box according to claim 4, it is characterized in that: it also comprises remote controller, remote controller and the wireless connections of described infrared remote control receiver module.
6. a kind of USB digital TV in high resolution box according to claim 1, it is characterized in that: described box body is inserted with digital television intelligent card, and digital television intelligent card is electrically connected described digital TV in high resolution smart card deciphering module.
7. according to each described a kind of USB digital TV in high resolution box of claim 1 to 6, it is characterized in that: described box body also is built-in with the cable modem.
8. according to each described a kind of USB digital TV in high resolution box of claim 1 to 6, it is characterized in that: described digital TV in high resolution signal receives and reconciles module and comprises input interface, and described input interface is arranged at described box body.
9. a kind of USB digital TV in high resolution box according to claim 8 is characterized in that: described digital TV in high resolution signal receives and reconciles module and also comprises tuner.
10. a kind of USB digital TV in high resolution box according to claim 9 is characterized in that: described digital TV in high resolution signal receives and reconciles module and also comprises qam demodulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020260929 CN201717950U (en) | 2010-07-16 | 2010-07-16 | USB high definition digital TV set-top box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020260929 CN201717950U (en) | 2010-07-16 | 2010-07-16 | USB high definition digital TV set-top box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201717950U true CN201717950U (en) | 2011-01-19 |
Family
ID=43463958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020260929 Expired - Fee Related CN201717950U (en) | 2010-07-16 | 2010-07-16 | USB high definition digital TV set-top box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201717950U (en) |
-
2010
- 2010-07-16 CN CN 201020260929 patent/CN201717950U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110119 Termination date: 20160716 |