CN202222030U - Multi-output set top box supporting a plurality of independent remote controllers - Google Patents
Multi-output set top box supporting a plurality of independent remote controllers Download PDFInfo
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- CN202222030U CN202222030U CN2011203121175U CN201120312117U CN202222030U CN 202222030 U CN202222030 U CN 202222030U CN 2011203121175 U CN2011203121175 U CN 2011203121175U CN 201120312117 U CN201120312117 U CN 201120312117U CN 202222030 U CN202222030 U CN 202222030U
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- remote controllers
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Abstract
The utility model discloses a multi-output set top box supporting a plurality of independent remote controllers, comprising a set top box body and the plurality of remote controllers. The set top box is equipped with a radio frequency interface used for multipath digital television signals access; a multipath processing circuit connected with the radio frequency interface and used for carrying out demodulation and descrambling processing on the multipath digital television signals; a remote control processing circuit used for distributing independent ID numbers for the remote controllers respectively with MAC numbers corresponding to the set top boxes bound at the same time; a video processing chip used for identifying the remote controllers via the ID numbers and the MAC numbers sent by the remote controllers and correspondingly outputting multipath digital television signals after demodulation and descrambling via the control signals sent by the different remote controllers; and a multi-output interface connected with the video processing chip; wherein, each remote controller corresponds to one output interface of the set top box body. The multi-output set top box supporting the plurality of independent remote controllers of the utility model enables multi-path OSD independent outputs to be realized, supports independent remote controllers, and brings conveniences for users.
Description
Technical field
The utility model relates to the set-top box technique field, in particular a kind of many output STB of supporting a plurality of independent remote controllers.
Background technology
Along with improving constantly of development of science and technology and people's living standard, DTV all the more is deep in each family, uses DTV all will use STB.
In the prior art, the STB end all need carry out the function that combined debugging is realized separating controlling and multichannel output with display production firm, and in brief, such STB need be developed jointly with display terminal manufacturer, and is bigger to the display terminal dependence.
Yet at present the display device in the users home is multifarious, thus manufacturer also each inconsistent prior art STB product that caused realize very difficulty of multichannel output.
Therefore, prior art awaits to improve and development.
The utility model content
In view of the deficiency of above-mentioned prior art, the purpose of the utility model is to provide a kind of many output STB of supporting a plurality of independent remote controllers, and it can realize multi-channel program output, independent remote controller, and multichannel control interface (OSD) output provides users with the convenient.
The technical scheme of the utility model is following:
A kind of many output STB of supporting a plurality of independent remote controllers wherein, comprises the STB body, and passes through a plurality of remote controllers that wireless mode is connected with this STB body communication;
In said STB body, be provided with:
Be used to insert the radio frequency interface of multi-path digital TV signal;
The multichannel treatment circuit that is connected with said radio frequency interface, be used for said multi-path digital TV signal is carried out the demodulation scramble process;
Be used to each remote controller distributing independent and also bind MAC number remote control treatment circuit of corresponding STB for ID number simultaneously;
ID number and MAC identification remote controller being used for sending through remote controller, the control signal of sending through different remote simultaneously will pass through the video frequency processing chip of the corresponding output of multi-path digital TV signal of demodulation scramble process; Said video frequency processing chip is connected with said multichannel treatment circuit, remote control treatment circuit respectively;
The multichannel output interface that is connected with said video frequency processing chip, one road output interface of the corresponding STB body of each remote controller.
Described many output STBs, wherein, said multichannel treatment circuit further comprises:
The multi-channel demodulator circuit that is connected with said radio frequency interface, be used for said multi-path digital TV signal is demodulated into multichannel scrambled number TV signal;
Be connected with said multi-channel demodulator circuit, to be used for said multichannel scrambled number signal descrambling be the multichannel descrambling circuit of multichannel descrambling digital television signal.
Described many output STBs, wherein, it also comprises the intelligent draw-in groove that is connected with said multichannel descrambling circuit, be used to insert smart card.
Described many output STBs, wherein, said multi-channel demodulator circuit comprises a plurality of high-frequency tuners and a plurality of demodulator, the demodulator that each high-frequency tuner is corresponding with connects.
Described many output STBs, wherein, said multi-channel demodulator circuit also is connected with said video frequency processing chip through the I2C bus.
Described many output STBs, wherein, said multichannel output interface is a multichannel OSD blender.
Described many output STBs, wherein, said remote control treatment circuit comprises a wireless transceiver circuit.
Described many output STBs, wherein, said remote controller is a Digiplex.
Many output STB of a plurality of independent remote controllers of support that the utility model provided; It carries out the demodulation scramble process through the multichannel treatment circuit to the multi-path digital TV signal, and the remote control treatment circuit is also bound MAC number of corresponding STB for ID number simultaneously for each remote controller distributing independent; ID number and MAC identification remote controller that video frequency processing chip is sent through remote controller; The control signal of sending through different remote simultaneously will be passed through the corresponding output of multi-path digital TV signal of demodulation scramble process, thereby the signal controlling output different digital TV signal that realizes sending according to different remote is to corresponding display unit.It need not to develop jointly with terminal display manufacturer; Adopt the unified control of Digiplex, can use in any one room of family, the control signal unification is directly handled by STB; Realize that simultaneously multichannel OSD independently exports; Independent remote controller, multichannel control interface (OSD) output provides users with the convenient.
Description of drawings
Fig. 1 is the theory diagram that the utility model is supported a kind of embodiment of many output STB of a plurality of independent remote controllers.
Embodiment
The utility model provides a kind of many output STB of supporting a plurality of independent remote controllers; Be used to satisfy STB of needs use and many group remote controllers in the users home; Thereby be implemented in the demand that multi-channel program was watched, listened to display device more than one simultaneously; And then solve family's contradiction that the kinsfolk causes owing to rating hobby and demand; And can effectively reduce simultaneously and purchase the machine expense and cause license fee usefulness with a plurality of broadcasting and TV accounts of application, for purpose, technical scheme and the effect that makes the utility model is clearer, clear and definite, below with reference to accompanying drawing and give an actual example to the utility model further explain.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
A kind of many output STB of supporting a plurality of independent remote controllers of the utility model embodiment; As shown in Figure 1; Comprise STB body 100, and pass through a plurality of remote controllers 200 that wireless mode is connected with these STB body 100 communications, 3 remote controllers as shown in Figure 1.Remote controller in the present embodiment is a Digiplex.
In said STB body 100, be provided with in the present embodiment: radio frequency interface 110, multichannel treatment circuit 120, remote control treatment circuit 130, video frequency processing chip 140, multichannel output interface 150
Radio frequency interface 110 is mainly used in extraneous radio frequency line and is connected to insert the multi-path digital TV signal.
Multichannel treatment circuit 120 is connected with radio frequency interface 110, is mainly used in the multi-path digital TV signal is carried out the demodulation scramble process.
Remote control treatment circuit 130 and a plurality of remote controller 200 wireless connections are mainly used in and are each remote controller distributing independent ID number, and be MAC number of the corresponding STB of remote controller 200 bindings simultaneously.Do each room of family, in the present embodiment because television reception field, so traditional IR remote controller can not meet the demands, so need the employing Digiplex, remote control treatment circuit 130 also adopts and comprises a wireless transceiver circuit.
Video frequency processing chip 140 is connected with multichannel treatment circuit 120, remote control treatment circuit 130 respectively; The video frequency processing chip 140 of present embodiment has the multi-channel video disposal ability; Be mainly used in ID number of sending through remote controller and MAC identification remote controller, the multi-path digital TV signal correspondence that will pass through the demodulation scramble process through the control signal of sending of different remote simultaneously outputs to different display unit.
Multichannel output interface 150 is connected with video frequency processing chip 140; One road output interface of the corresponding STB body of each remote controller; Wherein, Each road output interface is connected with a display unit, and this multichannel output interface 150 can be connected with a plurality of display unit, first display unit 310 as shown in Figure 1, second display unit 320 etc.In the present embodiment, said multichannel output interface is multichannel OSD (control interface) blender.
The utility model carries out the demodulation scramble process through 120 pairs of multi-path digital TV signals of multichannel treatment circuit, and remote control treatment circuit 130 is for each remote controller 200 distributing independent ID numbers and bind MAC number of corresponding STB simultaneously; ID number and MAC identification remote controller 200 that video frequency processing chip 140 is sent through remote controller 200, the multi-path digital TV signal correspondence that the control signal of sending through different remote 200 simultaneously will be passed through the demodulation scramble process outputs to different display unit.It need not to develop jointly with terminal display manufacturer; Adopt the unified control of Digiplex, can use in any one room of family, the control signal unification is directly handled by STB; Realize that simultaneously multichannel OSD independently exports; Independent remote controller, multichannel control interface (OSD) output provides users with the convenient.
Wherein, as shown in Figure 1, multichannel treatment circuit 120 further comprises: multi-channel demodulator circuit 121, multichannel descrambling circuit 122.
Multi-channel demodulator circuit 121 is connected with radio frequency interface 110, is used for the multi-path digital TV signal that radio frequency interface 110 inserts is demodulated into multichannel scrambled number TV signal.In the present embodiment, multi-channel demodulator circuit 121 comprises a plurality of high-frequency tuners (Tuner) and a plurality of demodulator, and the demodulator that each high-frequency tuner is corresponding with connects, and is as shown in Figure 1.High-frequency tuner 1 is connected with demodulator 1, and high-frequency tuner n is connected with demodulator n.Certainly, the demodulation way is not The more the better, but the decision of the disposal ability of the descrambling way that can accomplish by the multi-channel demodulator circuit and video control chip.The technology of present demodulation part is maturation and mass productization, is not described in detail.
Multichannel descrambling circuit 122 is connected with multi-channel demodulator circuit 121, and being used for multichannel scrambled number signal descrambling is multichannel descrambling digital television signal.Concrete descrambling process is following: the TV programme that the user need watch through the remote controller selection; Video frequency processing chip 140 is through the demodulator (Demodulator) of the total line traffic control front end of I2C and the program on the corresponding frequency of high-frequency tuner (Tuner) demodulation; Program stream data arrives video frequency processing chip 140 through multichannel descrambling circuit 122 afterwards; Video frequency processing chip 140 can filter out the CA-PMT (Program Map Table of descrambling) of program; And CA-PMT (Program Map Table of descrambling) beamed back multichannel descrambling circuit 122; Multichannel descrambling circuit 122 can recover corresponding descrambling control alternately according to information and the smart card (Smart Card) that CA-PMT provides, thereby realizes the descrambling to program.
As shown in Figure 1, export STB more and also comprise and being connected with multichannel descrambling circuit 122, be used to insert the intelligent draw-in groove 160 of smart card.
As shown in Figure 1, multi-channel demodulator circuit 121 also is connected with video frequency processing chip 140 through the I2C bus.What the video frequency processing chip 140 in the present embodiment adopted is the main control chip of present STB or all-in-one (IDTV), and along with the development of technology, the video frequency processing chip that possesses multichannel input disposal ability is released market and commercialization continuously; Possess multi-channel video and OSD and mix the bottleneck that fan-out capability no longer has been the video frequency processing chip design.In order to let the user have to exclusively enjoy the sensation of STB, need be in each road video output separately output independently control the interface.
In the present embodiment, each remote controller 200 is corresponding with one group of output, and has different ID and be used for difference, and corresponding remote controller 200 input control is only accepted in any one group of output.So the design of remote control treatment circuit 130 is very important.At first system need organize the remote controller distributing independent ID number for each; Preferably wherein can bind corresponding STB MAC number; Producer need be the unique MAC Address of each allocated before dispatching from the factory, if user's remote control meeting phase mutual interference of deciding like this and avoiding same storied building.
Comprised MAC Address in the signal that remote controller 200 emits in the present embodiment, contents such as ID identification, video frequency processing chip 140 can remove to resolve MAC Address number after receiving remote signal, whether differentiate remote controller 200 from affiliated remote controller combination; Thereby next is to analyze ID number differentiation need go to control that road output.
When moving behind the system boot; Video frequency processing chip 140 can be judged the remote controller 200 of remote signal from which ID; And according to receiving instruction the output content of correspondence is handled, such as switching program etc., and the signal after will handling outputs to the lead-out terminal of correspondence.In output procedure, the user need see the control interface, thus before output, need audio-video frequency content and the corresponding OSD of remote controller ID be mixed back output in the OSD blender, thus the function of the multichannel that realizes output.Give the user in the impression that exclusively enjoys a STB simultaneously.
Adopt independent control and display independence in the present embodiment, promptly all processing are independently accomplished by STB, and need not to show that with the third party product manufacturer cooperates.Certainly the remote control treatment circuit can adopt wireless mode, also can adopt bluetooth, infrared mode.Output can be selected output forms such as YPBPR, PCBCR, YUV, HDMI or VGA according to market and user's needs.
In sum; Many output STB of a plurality of independent remote controllers of support that the utility model provided; It carries out the demodulation scramble process through the multichannel treatment circuit to the multi-path digital TV signal, and the remote control treatment circuit is also bound MAC number of corresponding STB for ID number simultaneously for each remote controller distributing independent; ID number and MAC identification remote controller that video frequency processing chip is sent through remote controller; The control signal of sending through different remote simultaneously will be passed through the corresponding output of multi-path digital TV signal of demodulation scramble process, thereby the signal controlling output different digital TV signal that realizes sending according to different remote is to corresponding display unit.It need not to develop jointly with terminal display manufacturer; Adopt the unified control of Digiplex, can use in any one room of family, the control signal unification is directly handled by STB; Realize that simultaneously multichannel OSD independently exports; Independent remote controller, multichannel control interface (OSD) output provides users with the convenient.
Should be understood that; The application of the utility model is not limited to above-mentioned giving an example; Concerning those of ordinary skills, can improve or conversion according to above-mentioned explanation, all these improvement and conversion all should belong to the protection range of the utility model accompanying claims.
Claims (8)
1. many output STB of supporting a plurality of independent remote controllers is characterized in that, comprises the STB body, and passes through a plurality of remote controllers that wireless mode is connected with this STB body communication;
In said STB body, be provided with:
Be used to insert the radio frequency interface of multi-path digital TV signal;
The multichannel treatment circuit that is connected with said radio frequency interface, be used for said multi-path digital TV signal is carried out the demodulation scramble process;
Be used to each remote controller distributing independent and also bind MAC number remote control treatment circuit of corresponding STB for ID number simultaneously;
ID number and MAC identification remote controller being used for sending through remote controller, the control signal of sending through different remote simultaneously will pass through the video frequency processing chip of the corresponding output of multi-path digital TV signal of demodulation scramble process; Said video frequency processing chip is connected with said multichannel treatment circuit, remote control treatment circuit respectively;
The multichannel output interface that is connected with said video frequency processing chip, one road output interface of the corresponding STB body of each remote controller.
2. many output STBs according to claim 1 is characterized in that said multichannel treatment circuit further comprises:
The multi-channel demodulator circuit that is connected with said radio frequency interface, be used for said multi-path digital TV signal is demodulated into multichannel scrambled number TV signal;
Be connected with said multi-channel demodulator circuit, to be used for said multichannel scrambled number signal descrambling be the multichannel descrambling circuit of multichannel descrambling digital television signal.
3. many output STBs according to claim 2 is characterized in that it also comprises the intelligent draw-in groove that is connected with said multichannel descrambling circuit, be used to insert smart card.
4. many output STBs according to claim 2 is characterized in that said multi-channel demodulator circuit comprises a plurality of high-frequency tuners and a plurality of demodulator, and the demodulator that each high-frequency tuner is corresponding with connects.
5. many output STBs according to claim 2 is characterized in that said multi-channel demodulator circuit also is connected with said video frequency processing chip through the I2C bus.
6. many output STBs according to claim 1 is characterized in that said multichannel output interface is a multichannel OSD blender.
7. many output STBs according to claim 1 is characterized in that said remote control treatment circuit comprises a wireless transceiver circuit.
8. many output STBs according to claim 1 is characterized in that said remote controller is a Digiplex.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203121175U CN202222030U (en) | 2011-08-25 | 2011-08-25 | Multi-output set top box supporting a plurality of independent remote controllers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203121175U CN202222030U (en) | 2011-08-25 | 2011-08-25 | Multi-output set top box supporting a plurality of independent remote controllers |
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| Publication Number | Publication Date |
|---|---|
| CN202222030U true CN202222030U (en) | 2012-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203121175U Expired - Fee Related CN202222030U (en) | 2011-08-25 | 2011-08-25 | Multi-output set top box supporting a plurality of independent remote controllers |
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| Country | Link |
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| CN (1) | CN202222030U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102779404A (en) * | 2012-06-20 | 2012-11-14 | 南洋 | Multi-control three-dimensional (3D) remote control system |
| WO2013170771A1 (en) * | 2012-05-18 | 2013-11-21 | 华为终端有限公司 | Set-top box control method, set-top box and system thereof |
| CN103517128A (en) * | 2012-06-28 | 2014-01-15 | 联阳半导体股份有限公司 | Multimedia sharing system, device and method |
| CN105791982A (en) * | 2014-12-18 | 2016-07-20 | 中兴通讯股份有限公司 | Control method and television equipment |
-
2011
- 2011-08-25 CN CN2011203121175U patent/CN202222030U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013170771A1 (en) * | 2012-05-18 | 2013-11-21 | 华为终端有限公司 | Set-top box control method, set-top box and system thereof |
| CN103428557A (en) * | 2012-05-18 | 2013-12-04 | 华为终端有限公司 | Control method of set top box, set top box and system thereof |
| CN103428557B (en) * | 2012-05-18 | 2016-12-07 | 华为终端有限公司 | The control method of a kind of Set Top Box, Set Top Box and system thereof |
| CN102779404A (en) * | 2012-06-20 | 2012-11-14 | 南洋 | Multi-control three-dimensional (3D) remote control system |
| CN103517128A (en) * | 2012-06-28 | 2014-01-15 | 联阳半导体股份有限公司 | Multimedia sharing system, device and method |
| CN105791982A (en) * | 2014-12-18 | 2016-07-20 | 中兴通讯股份有限公司 | Control method and television equipment |
| CN105791982B (en) * | 2014-12-18 | 2019-12-03 | 中兴通讯股份有限公司 | A kind of control method and television equipment |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120516 Termination date: 20200825 |
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| CF01 | Termination of patent right due to non-payment of annual fee |