CN1893545A - Top-set-box and method for it communicating with control center - Google Patents
Top-set-box and method for it communicating with control center Download PDFInfo
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- CN1893545A CN1893545A CNA2005100355160A CN200510035516A CN1893545A CN 1893545 A CN1893545 A CN 1893545A CN A2005100355160 A CNA2005100355160 A CN A2005100355160A CN 200510035516 A CN200510035516 A CN 200510035516A CN 1893545 A CN1893545 A CN 1893545A
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- top box
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Abstract
The set-top box includes receiving module, locking code control module, video/audio output module and wireless communication module. Through wireless communication module, the set-top box receives signal of program selected by user, and sends ID information between self and wireless communication module to control center through wireless transmission; or, receives wireless information including cipher information for receiving program sent from control center, and outputs the cipher information to locking code control module. Advantages are: high security, not easy of decryption, simple implementation, and low cost.
Description
[technical field]
The method that the present invention relates to a kind of set-top box and carry out communication with control centre.
[background technology]
Along with the development of social informatization, traditional analog television program can not satisfy the requirement of people to rating variation, personalization, so Digital Television is arisen at the historic moment.Digital Television adopts compression coding mode, and the same television image clearly when the user can be seen at home plays with TV station is no longer perplexed by the television image that blurs, and can obtain surround sound sound accompaniment effect; After adopting digital technology, make man-machine interaction become possibility, the user can select the program set meal according to needs, the hobby of oneself, broadcasts what program, when broadcasts, and can be decided by the user.The present receiving digital signals top box of not starting shooting of wandering about as a refugee, (the English name full name is Set Top Box to set-top box, be called for short STB) be meant a kind of information equipment that is used for strengthening or expand the television set function, owing to people usually it is placed on television set above, so the set-top box that is otherwise known as.The play signal of cable TV is generally through encrypting, so set-top box receives that the back decodes by receiving module earlier, is decrypted by the code-locked control die set again, and then by audio-visual output module digital signal is converted to analog signal and sends television set to.The digital set-top box of existing set-top box uses intellective IC card to do code-locked control by wired broadband network and cable TV station's communication as encrypt/decrypt, and its shortcoming is the cost height, and benefit is low.
[summary of the invention]
The method that main purpose of the present invention just provides a kind of set-top box and carries out communication with control centre, fail safe is good, and cost is low, realizes simple.
For achieving the above object, the present invention proposes a kind of set-top box, comprise
Receive module, be used to receive the digital signal streams that control centre broadcasts;
The code-locked control die set is used to receive the signal flow by receiving module output, and utilizes the password that is sent by control centre that receives that signal flow is decrypted;
Audio-visual output module is used to receive the signal flow that the code-locked control die set is exported, and digital signal is converted to analog signal and exports television set to;
The wireless telecommunications module, be used to receive the user selected program signal, and the identity information of itself and this wireless telecommunications module sent to control centre by wireless transmission, perhaps receive the wireless messages that includes the encrypted message of watching program that sends by control centre, and this encrypted message is outputed to the code-locked control die set.
Preferably, described wireless telecommunications module is a mobile phone module.
For achieving the above object, the invention allows for the method that a kind of set-top box and control centre carry out communication, comprise that set-top box send to select programme signal and identity information to receive the message pick-up step that comprises encrypted message of being sent by control centre to the information forwarding step and the set-top box of control centre, described information forwarding step is that the wireless telecommunications module by set-top box sends wireless messages to control centre; Described message pick-up step is that the wireless telecommunications module by set-top box receives the wireless messages that is sent by control centre.
Preferably, described wireless messages is the SMS news in brief.
The invention has the beneficial effects as follows: the mobile communication network is ready-made, the fail safe that it is differentiated handset identities is than higher, be not easy to crack, and realize simple, cost is low, as long as in set-top box, add the mobile phone interface circuit relevant of a low price, just can realize cable TV mobile phone set-top box with some.
Feature of the present invention and advantage will be elaborated in conjunction with the accompanying drawings by embodiment.
[description of drawings]
Fig. 1 represents the block diagram of a kind of embodiment of the present invention.
[embodiment]
As shown in Figure 1, the mobile phone set-top box comprises that receiving module, code-locked control die set, audio-visual output module, mobile phone module and selection programme signal receives module, receive the digital signal streams that module is used for receiving the TV that control centre sends, its output is connected with the code-locked control die set, mobile phone module is used for carrying out wireless telecommunications with control centre, its output also links to each other with the code-locked control die set, the output of code-locked control die set links to each other with audio-visual output module, and the output of audio-visual output module outputs to television set.Select programme signal to receive module and be used for receiving the selection programme signal that the user sends, its output links to each other with mobile phone module.Control centre can be cable TV station, selects programme signal to receive module and can be infrared remote control receiver or bluetooth receiver module.
Its operation principle is: the user sends to set-top box with the programme signal of selecting by Infrared remote controller or Bluetooth transmission module, corresponding infrared remote control receiver or bluetooth receiver module receive and select programme signal and export to mobile phone module in the set-top box, mobile phone module sends in the mode of SMS (short massage system) news in brief this signal the charge program control centre of cable TV station by wireless transmission, charge program control centre can find user's number of the account from caller ID, after checking signal and account balance are errorless, send to user's set-top box and to watch program unlocking pin note, mobile phone module in the set-top box receives this note, and judge whether it is the incoming call of charge program control centre from caller identification, if, then whether complete sum is up to specification for cross-check information, if information completely and up to specification then outputs to the code-locked control die set with the encrypted message that is comprised in this note.Usually, mobile phone is provided with the data connector, is used for mobile phone is connected with computer, after the connection mobile phone is used as modem and uses.In the present embodiment, utilize this interface to be connected, be used for transmitting the information of mobile phone module with the code-locked control die set.Receive the digital signal streams that module receives the TV that is sent by cable broadband by the performance broadcasting system of cable TV station, output to the code-locked control die set after the decoding, the code-locked control die set is utilized mobile phone to touch the password that group transmits the digital signal streams of the TV that receives and is decrypted, digital signal streams after will deciphering then outputs to audio-visual output module, audio-visual output module outputs to television set after treatment, and the user just can see the TV programme of charge.
Claims (8)
1. set-top box comprises:
Receive module, be used to receive the digital signal streams that control centre broadcasts;
The code-locked control die set is used to receive the signal flow by receiving module output, and utilizes the password that is sent by control centre that receives that signal flow is decrypted;
Audio-visual output module is used to receive the signal flow that the code-locked control die set is exported, and digital signal is converted to analog signal and exports television set to; It is characterized in that also comprising:
The wireless telecommunications module, be used to receive the user selected program signal, and the identity information of itself and this wireless telecommunications module sent to control centre by wireless transmission, perhaps receive the wireless messages that includes the encrypted message of watching program that sends by control centre, and this encrypted message is outputed to the code-locked control die set.
2. set-top box as claimed in claim 1 is characterized in that: described wireless telecommunications module is a mobile phone module.
3. set-top box as claimed in claim 1 or 2 is characterized in that: comprise also and select programme signal to receive module that described selection programme signal receives module and is used to receive the selection programme signal that the user sends, and this signal is outputed to the wireless telecommunications module.
4. set-top box as claimed in claim 3 is characterized in that: it is infrared remote control receiver or bluetooth receiver module that described selection programme signal receives module.
5. set-top box and control centre carry out the method for communication, comprise that set-top box send to select programme signal and identity information to receive the message pick-up step that comprises encrypted message of being sent by control centre to the information forwarding step and the set-top box of control centre, it is characterized in that: described information forwarding step is that the wireless telecommunications module by set-top box sends wireless messages to control centre; Described message pick-up step is that the wireless telecommunications module by set-top box receives the wireless messages that is sent by control centre.
6. the method that set-top box as claimed in claim 5 and control centre carry out communication is characterized in that: described wireless messages is the SMS news in brief.
7. the method that set-top box as claimed in claim 6 and control centre carry out communication, it is characterized in that after described information forwarding step further comprising the steps of: the wireless telecommunications module judges whether it is the news in brief that control centre sends according to the identity information of the SMS news in brief that receive, if, judge then whether information is complete, if information completely then export the encrypted message in the SMS news in brief code-locked control die set of set-top box to is decrypted the digital signal streams that receives.
8. the method that set-top box as claimed in claim 6 and control centre carry out communication, it is characterized in that before forwarding step further comprising the steps of: the infrared remote control receiver of set-top box or bluetooth receiver module receive the selection programme signal that is sent by the user, and export to the wireless telecommunications module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100355160A CN1893545A (en) | 2005-07-01 | 2005-07-01 | Top-set-box and method for it communicating with control center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100355160A CN1893545A (en) | 2005-07-01 | 2005-07-01 | Top-set-box and method for it communicating with control center |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1893545A true CN1893545A (en) | 2007-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005100355160A Pending CN1893545A (en) | 2005-07-01 | 2005-07-01 | Top-set-box and method for it communicating with control center |
Country Status (1)
| Country | Link |
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| CN (1) | CN1893545A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101242483B (en) * | 2007-02-08 | 2011-09-28 | 黄金富 | Multi-purpose TV STB system with intelligent home system |
-
2005
- 2005-07-01 CN CNA2005100355160A patent/CN1893545A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101242483B (en) * | 2007-02-08 | 2011-09-28 | 黄金富 | Multi-purpose TV STB system with intelligent home system |
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Addressee: Huang Jinfu Document name: Notice of publication of application for patent for invention |
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| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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