The utility model content
In order to reduce set-top box because of the untimely unnecessary energy consumption of bringing of closing, the utility model embodiment provides a kind of digital television system and set-top box.Described technical scheme is as follows:
On the one hand, provide a kind of digital television system, described system comprises:
Television set and set-top box;
Described set-top box comprises: set-top box body and interface;
The power line of described interface links to each other with the power input of described set-top box body, links to each other with the power output end of television set by interface line, and be described set-top box power supply by the power supply of described television set.
On the other hand, provide a kind of set-top box, described set-top box comprises:
Set-top box body and interface;
The power line of described interface links to each other with the power input of described set-top box body, links to each other with the power output end of television set by interface line, and be described set-top box power supply by the power supply of described television set.
The beneficial effect of the technical scheme that the utility model embodiment provides is:
Set-top box links to each other with television set by interface, and be its power supply by the power supply of television set, thereby can when opening, open by television set, when closing, television set closes, reduce set-top box because of the untimely unnecessary energy consumption of bringing of closing, and provide convenience for user's operation.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, the utility model execution mode is described in further detail below in conjunction with accompanying drawing.
Embodiment one
Present embodiment provides a kind of digital television system, and as shown in Figure 2, this system comprises television set 13 and set-top box 14; Set-top box 14 comprises set-top box body 1401 and interface 1402.
Wherein, the power line of interface 1402 (not marking among the figure) links to each other with the power input (not marking among the figure) of set-top box body 1401, linking to each other with the power output end (not marking among the figure) of television set 13 by interface line 17, is set-top box 14 power supplies by the power supply of television set 13.
Preferably, in order to simplify the wiring between set-top box 14 and the television set 13, as shown in Figure 3, the data wire of interface 1402 (not marking among the figure) links to each other with the audio frequency and video output (not marking among the figure) of set-top box body 1401, link to each other with the data input pin (not marking among the figure) of television set 13 by interface line 17, to television set 13 transmission tone video datas.
For convenience of explanation, present embodiment is that USB (Universal SerialBUS, USB) interface is an example with the interface 1402 of set-top box 14, and the digital television system that present embodiment is provided describes.Because USB interface can connect nearly all external equipments such as mouse, keyboard, mobile phone, along with the USB application and development, USB interface has become the common interface on the television set.In addition, chip integration and power consumption index all have greatly improved now, the single chip solution that integrated TUNER/ demultiplexing/decoding all functions occurred, use the set-top box of one or two USB interface power supplies also feasible, for this reason, set-top box in the digital television system that present embodiment provides is the same with television set, all has USB interface.
As shown in Figure 2, television set 13 connects supply socket 11 by power line 12, the power line of usb 1 402 links to each other with the power input of set-top box body 1401, link to each other by the power output end of interface line 17 with television set 13, power supply by television set 13 is set-top box 14 power supplies, thereby open set-top box 14 when opening television set 13, closure plane top box 14 simultaneously when television set 13 is closed avoids when television set 13 is closed set-top box 14 because of the unlatching consume electric power.
In addition, as shown in Figure 2, set-top box 14 is passed through audio-video interface line 15 to television set 13 transmission tone video datas.In addition, the user also can send infrared remote-controlled signal to set-top box 14 by Infrared remote controller 16, so that realize the control to set-top box 14.In order to save the space, set-top box 14 can be ensconced television set 13 back, by increasing the control of infrared extended line realization to set-top box 14.
In order further to simplify the wiring of set-top box 14 and television set 13, the digital television system that present embodiment provides also can be improved on architecture basics shown in Figure 2, digital television system structural representation as shown in Figure 3, the function that interface line 17 is replaced audio frequency and video line 15, usb 1 402 links to each other with the audio, video data output of set-top box body 1401, link to each other by the data input pin of interface line 17, to television set 13 transmission tone video datas with television set 13.
The digital television system that the utility model embodiment provides, set-top box links to each other with television set by USB interface, and be its power supply by the power supply of television set, thereby can when opening, open by television set, when closing, television set closes, reduce set-top box because of the untimely unnecessary energy consumption of bringing of closing, and provide convenience for user's operation; In addition, to television set transmission tone video data, also can further simplify the wiring between set-top box and the television set by USB interface.
Embodiment two
Present embodiment provides a kind of set-top box, and referring to Fig. 4, this set-top box 14 comprises: set-top box body 1401 and interface 1402.
Wherein, set-top box body 1401 is the same with existing set-top box structure, generally by master chip, internal memory, tuning demodulator, return path, CA (Conditional Access) interface, external storage controller and look audio frequency output etc. is several most ofly to be constituted.In master chip, at first the flag information that transmits according to transport stream carries out demultiplexing to the transport stream that receives, the descrambling information that is transmitted according to the CA smart card carries out descrambling to program stream then, TS behind the descrambling (Transport Stream, transport stream) stream is delivered in the video-audio decoder and respectively it is decoded, and is reduced into the AV signal and exports, simultaneously, also isolate multiplexing sorts of systems tables of data in TS stream, give the set-top box processes device and export respectively.In addition, because integrated CPU (Central Processing Unit in master chip, CPU) and the graphics management device, make set-top box can finish more function, it can move various softwares and finish all multitasks, and for example stock reception, web page browsing etc. also can be by the graphics process of graphics management device realization 2D even 3D, for the user provides interface more attractive in appearance, realize various high image quality application such as interactive entertainment.
Different with existing set-top box is, this set-top box 14 also comprises interface 1402, and interface 1402 can be in the optional position of set-top box body 1401, and present embodiment is not done concrete qualification to this.
On the basis of Fig. 4, in conjunction with digital television system structure shown in Figure 2, the power line of interface 1402 (not marking among the figure) links to each other with the power input (not marking among the figure) of set-top box body 1401, linking to each other with the power output end (not marking among the figure) of television set 13 by interface line 17, is set-top box 14 power supplies by the power supply of television set 13.Its operation principle sees the description in the foregoing description one for details, repeats no more herein.
In order to simplify the line of set-top box 14 and television set 13, as shown in Figure 3, the data wire of interface 1402 (not marking among the figure) links to each other with the audio, video data output (not marking among the figure) of set-top box body 1401, link to each other with the data input pin (not marking among the figure) of television set 13 by interface line 17, to television set 13 transmission tone video datas, its principle sees the description in the foregoing description one for details, repeats no more herein.Wherein, interface can be a USB interface, and present embodiment is not done concrete qualification to this.
The set-top box that present embodiment provides links to each other with television set by interface, and is its power supply by the power supply of television set, thereby can when opening, open by television set, when television set is closed, close, reduce set-top box, and provide convenience for user's operation because of the untimely unnecessary energy consumption of bringing of closing; In addition, to television set transmission tone video data, also can further simplify the wiring between set-top box and the television set by interface.
Need to prove that the foregoing description is that USB interface is that example describes with the interface of set-top box only, in the practical application, can also replace USB interface by other interfaces, guarantee to realize getting final product with this USB interface identical functions, present embodiment is not done concrete qualification to this.In addition, present embodiment only is illustrated digital television system and set-top box thereof, in the practical application, also exist other independently-powered, and can produce two interactive devices of energy consumption problem, can adopt television set that present embodiment provides and the supply power mode between the set-top box equally, present embodiment does not limit concrete application scenarios.For example, between computer and the modulator-demodulator, when the user shuts down computer, in time do not close modulator-demodulator and cause wasting electric energy, therefore, modulator-demodulator can be linked to each other with computer, realize both unified power supplies, thereby reduce modulator-demodulator because of the untimely unnecessary energy consumption of bringing of closing.
Above-mentioned the utility model embodiment sequence number is not represented the quality of embodiment just to description.
Part steps among the utility model embodiment can utilize software to realize that corresponding software programs can be stored in the storage medium that can read, as CD or hard disk etc.
The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection range of the present utility model.