CN2741288Y - Channel controlling module of digital TV set - Google Patents
Channel controlling module of digital TV set Download PDFInfo
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- CN2741288Y CN2741288Y CNU2004201073567U CN200420107356U CN2741288Y CN 2741288 Y CN2741288 Y CN 2741288Y CN U2004201073567 U CNU2004201073567 U CN U2004201073567U CN 200420107356 U CN200420107356 U CN 200420107356U CN 2741288 Y CN2741288 Y CN 2741288Y
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Abstract
The utility model discloses a channel controlling module of digital TV set, relating to the security controlling receiving chip module of unauthorized programs of the digital TV set receiver in the field of digital TV set. The channel controlling module of digital TV set comprises a buffer, a selector of work pattern, a cipher identifier, a name identifier of television station, a pilot controller, a filter, a parameter memory, a power source, etc. The channel controlling module of digital TV set judges whether the television programs are authorized to receive according to the television program station name or the station marking information, and then the controlling and receiving of the authorized programs of the satellite TV broadcast is realized. In addition, the utility model also has the features of high controlling accuracy, reliable performance, low cost, simple circuit construction, small volume, convenient manufacturing and use, etc. The utility model is in particularly suitable to a satellite digital TV set receiver having suppressed unauthorized programs and the data receiving apparatus as the security controlling chip module.
Description
Technical field
The utility model relates to a kind of digital TV channel control module in the digital TV field, it is as the channel selection chip module of satellite television receiver terminal, is specially adapted to have the satellite digital tv receiver that unauthorized program suppresses and makes the security control chip module.
Background technology
At present, satellite digital TV is quite universal abroad, domesticly realizes that just progressively satellite digital TV is live.Because the domsat digital TV direct is carried out later, also there is not relevant security control chip module product, but expansion along with the satellite digital TV live broadcast service, the channel Security Control Problem of Digital Television is more and more important, presses for a kind of security control chip module of development to satisfy the needs of trade management.
Summary of the invention
The purpose of this utility model is to avoid the weak point in the above-mentioned background technology and provides a kind of and judge whether to authorizing the digital TV channel control module of received television program according to TV programme platform name or station symbol information, and the utility model also has the precise control height, dependable performance, with low cost, circuit structure is simple, volume is little, makes characteristics such as easy to use.
The purpose of this utility model is achieved in that it is made up of buffer 1, mode of operation selector 2, password identifier 3, TV station's name identifier 4, pilot controller 5, filter 6, parameter storage 7, power supply 8, and wherein buffer 1 inbound port 1 pin is connected with receiving digital television traffic spike port A, its outbound port 2 pin are connected with mode of operation selector 2 inbound ports 1 pin, outbound port 3 pin are connected with filter 6 inbound ports 2 pin; Mode of operation selector 2 outbound ports 2 pin are connected in series password identifier 3 successively, pilot controller 5 is connected with filter 6 inbound ports 3 pin after going into outbound port 1,2 pin, are connected with filter 6 inbound ports 1 pin after its outbound port 3 pin serial connection TV station name identifier 4 is gone into outbound port 1,2 pin; Parameter storage 7 comes in and goes out that port one pin and pilot controller 5 go into that outbound port 3 pin are connected, its outbound port 2 pin are connected with TV station name identifier 4 inbound ports 3 pin; Filter 6 outbound ports 4 pin are connected with authorizing digital television data stream port B, and power supply 8 goes out the corresponding power end with each parts of end+V voltage end and is connected.
The utility model TV station name identifier 4 is by the first storage integrated package 9, the second storage integrated package 10, the 3rd storage integrated package 11, program code is extracted integrated package 12, numbering is integrated package 13 relatively, the first gating integrated package 14, the second gating integrated package 15, programm name extracts integrated package 16, title relatively integrated package 17 is formed, and wherein the first storage integrated package 9 goes into to hold 1 pin to be connected with mode of operation selector 2 outbound ports 3 pin, it goes out end 2 pin and stores integrated package 10 with second respectively, numbering relatively integrated package 13 is respectively gone into end 1 pin and is connect, go out end 3 pin serial connection program code extraction integrated package 12 and go into out end 1, comparing integrated package 13 with numbering behind 2 pin goes into to hold 2 pin to be connected; The second storage integrated package 10 goes out that end 2 pin and the 3rd storage integrated package 11 go into that end 1 pin is connected, it goes out to hold 3 pin to go into to hold 2 pin to be connected with the first gating integrated package 14; Numbering relatively integrated package 13 goes out to hold 3 pin to go into to hold 1 pin to be connected with the first gating integrated package 14, the first gating integrated package 14 goes out end 3 pin serial connection programm name and extracts integrated package 16 and go into out to go into end 1 pin with title comparison integrated package 17 behind end 1,2 pin and is connected, and the 3rd storage integrated package 11 goes out end 2 pin and goes into the second gating integrated package 15 that end 1 pin is connected, it goes out to hold 3 pin and filter 6 goes into to hold 1 pin to be connected; Title comparison integrated package 17 goes into that end 2 pin are connected with parameter storage 7 outbound ports 2 pin, it goes out to hold 3 pin respectively to go into to hold 2 pin with the second gating integrated package, 15 filters 6 respectively and connect; The second gating integrated package 15 goes out end 3 pin and goes into to hold 3 pin to be connected with filter 6; The first storage integrated package 9, the second storage integrated package 10, the 3rd storage integrated package 11, program code extract integrated package 12, numbering relatively integrated package 13, the first gating integrated package 14, the second gating integrated package 15, programm name extract integrated package 16, title comparison integrated package 17 respectively go into end 4 pin go out end+V voltage end with power supply 8 and connect, respectively go into end 5 pin with hold and connect.
The utility model filter 6 by storage integrated package 18, gating integrated package 19, program compressed package extract integrated package 20, control/decoding integration block 21 is formed, wherein store integrated package 18 and go into that end 1 pin is connected with TV station name identifier 4 outbound ports 1 pin, it goes out to hold 2 pin and gating integrated package 19 goes into to hold 1 pin to be connected; The program compressed package extracts integrated package 20 and goes into that end 1 pin is connected with TV station name identifier 4 outbound ports 2 pin, it goes out to hold 2 pin and control/decoding integration block 21 goes into to hold 1 pin to be connected; Control/decoding integration block 21 respectively go into end 3,6,7 pin respectively with TV station name identifier 4 outbound ports 3 pin, pilot controller 5 outbound ports 2 pin, buffer 1 outbound port, 3 pin and connect, it goes out end 2 pin and goes into to hold 2 pin to be connected with gating integrated package 19; Gating integrated package 19 goes out end 3 pin and is connected with authorizing digital television data stream port B, storage integrated package 18, gating integrated package 19, program compressed package extract integrated package 20, control/decoding integration block 21 respectively go into end 4 pin go out end+V voltage end with power supply 8 and connect, respectively go into to hold 5 pin and hold and connect.
The utility model is compared background technology and is had following advantage:
1, the utility model adopts TV station's name identifier 4, filter 6 to judge whether therefore to have unauthorized program precise control height, dependable performance into authorizing the TV programme that receives to realize the Digital Television security control according to TV programme platform name or station symbol information.
2, all component circuitry structures of the utility model adopt conventional integrated circuit, and adopt integrated circuit technology to manufacture the digital television channel control chip module, thus circuit structure is simple, manufacturing process is easy, with low cost, volume is little, easy to use.
3, the utility model not only can be used for homemade digital television devices channel security control, the channel security control that can also use the import digital television devices; Not only be applicable to the equipment that satellite TV signal receives, also can be applicable to data receiver,, therefore have characteristics such as be widely used as satellite data receiving card etc.
Description of drawings
Fig. 1 is the electric functional-block diagram of the utility model most preferred embodiment.
Fig. 2 is the electrical schematic diagram of name identifier 4 embodiment of the utility model TV station.
Fig. 3 is the electrical schematic diagram of the utility model filter 6 embodiment
Embodiment
Referring to figs. 1 through Fig. 3, the utility model is made up of buffer 1, mode of operation selector 2, password identifier 3, TV station's name identifier 4, pilot controller 5, filter 6, parameter storage 7, power supply 8.Wherein buffer 1 inbound port 1 pin is connected input digit television data stream TS signal with receiving digital television traffic spike inbound port A, through the digital television data stream TS of buffer 1 buffer-stored signal one tunnel be delivered to mode of operation selector 2, another road is delivered to filter 6.Buffer 1 embodiment adopts general buffer production of integrated circuits.
The data cached laggard line parameter programming Control of stream TS signal and the packet information processing and identification of 1 input of mode of operation selector 2 reception buffers, differentiating filter 6 is filterer's operation mode or the information processing identification signal of downloading mode of operation; Filterer's operation mode information processing identification signal is transported to TV station's name identifier 4, download mode of operation information processing identification signal is transported to password identifier 3.Mode of operation selector 2 embodiment adopt general programmable integrated circuit to make.
TV station's name identifier 4 receives filterer's operation mode information processing identification signal of mode of operation selectors 2 and carries out TV station's name or the identification of station symbol signal, differentiate output authorize program video, audio frequency, data, and content associated television data information signal transport to filter 6.The utility model TV station name identifier 4 by the first storage integrated package 9, the second storage integrated package 10, the 3rd storage integrated package 11, program code extract integrated package 12, numbering relatively integrated package 13, the first gating integrated package 14, the second gating integrated package 15, programm name extract integrated package 16, title relatively integrated package 17 form.Fig. 2 is the electrical schematic diagram of the utility model TV station name identifier 4, and embodiment presses Fig. 2 connection line.Mode of operation selector 2 is 9 storages of the digital television data stream signal TS input first storage integrated package with mode of operation signal identification signal, the first storage integrated package 9 is imported the second storage integrated package 10 respectively simultaneously with the TS signal of storage, program code is extracted integrated package 12, numbering is integrated package 13 relatively, transport to relatively integrated package 13 of numbering after the program code that program code extraction integrated package 12 extracts in the TS signals, the numbering relatively program code signal of TS signal and the input of 9 inputs of 13 pairs first storages of integrated package integrated package compares the TS signal of judging output control signal and 10 inputs of the second storage integrated package and imports the first gating integrated package 14 simultaneously and control its break-makes that open or close, thereby can extract the packet TS1 signal inputting programm name that comprises program code in the TS signal and extract integrated package 16, programm name extraction integrated package 16 extracts the programm name signal and inputs to relatively integrated package 17 of title from the TS1 signal, the initial data of 17 pairs of parameter storages of title comparison integrated package 7 input and programm name signal compare the TS signal of differentiating output program control signal and 11 inputs of the 3rd memory module and input to the second gating integrated package, 15, the second gating integrated packages 15 can extract the mandate program from the TS signal under the effect of control signal packet TS2 signal conveys is finished TV station's name to next stage identification simultaneously.Embodiment first to the 3rd storage integrated package 9,10,11 all adopts commercially available two-port RAM circuit production, first, second gating integrated package 14,15 all adopts commercially available NAND gate production of integrated circuits, program code extracts integrated package 12 and programm name extraction integrated package 16 all adopts commercially available programmable integrated circuit to make, and numbering compares integrated package 13 and title comparison integrated package 17 all adopts commercially available computing amplification circuit to make.
The utility model password identifier 3 receives the download mode of operation information processing identification signal of mode of operation selector 2, carries out upgrading of password identification output parameter or assist control working method signal and transports to pilot controller 5.Password identifier 3 embodiment adopt general coder and decoder ic to make.
Parameter upgrading or assist control working method signal that the utility model pilot controller 5 receives password identifier 3 carry out information processing, and the change program allows signal or work pick-off signal to transport to filter 6; Supplemental characteristic information stores after the initial parameter traffic flow information of pilot controller 5 or the change is stored and is called in parameter storage 7; Parameter storage 7 provides TV station's name or station symbol data processing with the initial parameter traffic flow information of storage or the supplemental characteristic information of same time input TV station name identifier 4 after the change.Pilot controller 5 embodiment adopt programmable integrated circuit to make.Parameter storage 7 embodiment adopt general buffer production of integrated circuits.
The utility model filter 6 allows according to the change program of the mandate program TV data information signal of the digital television data stream signal of buffer 1 input, 4 inputs of TV station's name identifier, pilot controller 5 inputs or the work pick-off signal carries out data message and filters out and do not allow the television programme data stream that receives, the break-make of control data stream, the digital television data stream signal is authorized in output.The utility model filter 6 is made up of storage integrated package 18, gating integrated package 19, program compressed package extraction integrated package 20, control/decoding integration block 21.Fig. 3 is the electrical schematic diagram of the utility model filter 6, and embodiment presses Fig. 3 connection line.Behind TV station's name identifier 4 output digital television data stream TS signal input storage integrated packages 21, again the TS signal is inputed to gating integrated package 19, authorize the packet TS2 signal of program to input to the program compressed package from 4 outputs of TV station's name identifier and extract integrated package 20, the program compressed package extracts integrated package 20 extraction compressed package numbering signals and inputs to control/decoding integration block 21, control/decoding integration block 21 is at the title comparison control signal of TV station's name identifier 4 inputs, the pressure ON/OFF signal of pilot controller 5, the TS signal of buffer 1 input, and the program compressed package extracts under the compressed package signal effect of integrated package 20 outputs, output control and decoded signal input to gating integrated package 19, the control that gating integrated package 19 opens or closes is selected, and the TS1 signal that control is authorized is normally exported by port B.Embodiment stores integrated package 18 and adopts commercially available dual port RAM production of integrated circuits, gating integrated package 19 adopts commercially available NAND gate circuit to make, the program compressed package extracts integrated package 20 and adopts programmable integrated circuit to make, and control/decoding integration block 21 adopts commercially available decoder ic to make.
The utility model power supply 8 adopts external Dc low voltage power supply to make, and its output+V voltage is+5V that circuit direct-current working volts at different levels are provided.
The concise and to the point operation principle of the utility model is as follows:
It is mainly by analyzing, select the digital television data stream signal, therefrom extract the platform name coding of TV programme, and compare with platform name coding that permission in the TV station name identifier 4 receives, thereby judge whether this program belongs to the TV programme that allows reception, and control with this and to allow the television data stream of the TV programme that allow to receive pass through, filter out and do not allow the TV programme television data stream that receives, reach purpose the signal output control of unauthorized program.
Workflow of the present utility model such as Fig. 1, the digital television data stream of reception at first pass through the identification of buffer 1,2 pairs of data package informatins of mode of operation selector, differentiate the mode of operation of filter 6, are operated in filterer's operation mode or download mode of operation.
When being operated in filterer's operation mode, mode of operation selector 2 extracts Program Specific Information in the digital television data stream and business information by demultiplexing information.Can determine current television programme title according to the SDT Service Description Table in the business information stream.TV station's name identifier 4 extracts the Packet Identifier value of the Program Map Table correspondence of all programs by demultiplexing.Find the program map table position of respective program according to the program Packet Identifier, find Packet Identifier value video, audio frequency, data and relevant information that should program by the Program Map Table bag.As belonging to the TV programme that allows reception, 6 of filters allow digital television data stream normally to export, otherwise filter out respective program in the digital television data stream.
When working in downloading mode, password identifier 3 is judged its concrete working method according to password identification, is respectively work such as parameter upgrading, assist control; Parameter upgrade job mode can be changed program and allow list, and password assist control working method is for ending work, not output signal.Before the change and the change data by parameter storage 7 storage, it is standby to carry out data.
The utility model mounting structure is as follows:
It is 30 * 30 millimeters integrated circuit (IC) chip modular structure that the utility model embodiment circuit structure adopts the integrated block length * wide of being made into of semiconductor integrated circuit technique to each parts circuit among Fig. 1 to Fig. 3, chip module making have TS signal input A port connect pin, authorize TS output B port connect pin and power supply+V, hold the connection pin, during use the direct plug-in mounting of the utility model chip module is gone in the digital television receiver, the control that reaches digital television broadcasting mandate program receives.
Claims (3)
1, a kind of digital TV channel control module, it is made up of buffer (1), mode of operation selector (2), password identifier (3), pilot controller (5), parameter storage (7), power supply (8), it is characterized in that: it also is made up of TV station's name identifier (4), filter (6), and wherein buffer (1) inbound port 1 pin is connected with receiving digital television traffic spike port (A), its outbound port 2 pin are connected with mode of operation selector (2) inbound port 1 pin, outbound port 3 pin are connected with filter (6) inbound port 2 pin; Mode of operation selector (2) outbound port 2 pin are connected in series password identifier (3) successively, pilot controller (5) is connected with filter (6) inbound port 3 pin after going into outbound port 1,2 pin, are connected with filter (6) inbound port 1 pin after its outbound port 3 pin serial connection TV station's name identifiers (4) are gone into outbound port 1,2 pin; Parameter storage (7) the port one pin of coming in and going out goes into pilot controller (5) that outbound port 3 pin are connected, its outbound port 2 pin are connected with TV station's name identifier (4) inbound port 3 pin; Filter (6) outbound port 4 pin are connected with authorizing digital television data stream port (B), and power supply (8) goes out the corresponding power end with each parts of end+V voltage end and is connected.
2, digital TV channel control module according to claim 1, it is characterized in that: TV station's name identifier (4) is by the first storage integrated package (9), the second storage integrated package (10), the 3rd storage integrated package (11), program code is extracted integrated package (12), numbering is integrated package (13) relatively, the first gating integrated package (14), the second gating integrated package (15), programm name extracts integrated package (16), title relatively integrated package (17) is formed, and wherein the first storage integrated package (9) goes into to hold 1 pin to be connected with mode of operation selector (2) outbound port 3 pin, it goes out end 2 pin and stores integrated package (10) with second respectively, numbering relatively integrated package (13) is respectively gone into end 1 pin and is connect, go out end 3 pin serial connection program code extraction integrated packages (12) and go into out end 1, comparing integrated package (13) with numbering behind 2 pin goes into to hold 2 pin to be connected; The second storage integrated package (10) goes out end 2 pin and goes into the 3rd storage integrated package (11) that end 1 pin is connected, it goes out to hold 3 pin and the first gating integrated package (14) goes into to hold 2 pin to be connected; Numbering relatively integrated package (13) goes out to hold 3 pin and the first gating integrated package (14) to go into to hold 1 pin to be connected, the first gating integrated package (14) go out end 3 pin serial connection programm name extract integrated packages (16) go into out behind end 1,2 pin with title relatively integrated package (17) go into end 1 pin and be connected, the 3rd storage integrated package (11) goes out end 2 pin and goes into the second gating integrated package (15) that end 1 pin is connected, it goes out to hold 3 pin and filter (6) goes into to hold 1 pin to be connected; Relatively integrated package (17) goes into that end 2 pin are connected with parameter storage (7) outbound port 2 pin to title, it goes out to hold 3 pin respectively to go into to hold 2 pin with the second gating integrated package (15), filter (6) respectively and connect; The second gating integrated package (15) goes out end 3 pin and goes into to hold 3 pin to be connected with filter (6); The first storage integrated package (9), the second storage integrated package (10), the 3rd storage integrated package (11), program code extract integrated package (12), numbering relatively integrated package (13), the first gating integrated package (14), the second gating integrated package (15), programm name extract integrated package (16), title relatively integrated package (17) respectively go into end 4 pin go out end+V voltage end with power supply (8) and connect, respectively go into end 5 pin with hold and connect.
3, digital TV channel control module according to claim 1 and 2, it is characterized in that: filter (6) by storage integrated package (18), gating integrated package (19), program compressed package extract integrated package (20), control/decoding integration block (21) is formed, wherein store integrated package (18) and go into that end 1 pin is connected with TV station's name identifier (4) outbound port 1 pin, it goes out to hold 2 pin and gating integrated package (19) goes into to hold 1 pin to be connected; The program compressed package extracts integrated package (20) and goes into that end 1 pin is connected with TV station's name identifier (4) outbound port 2 pin, it goes out to hold 2 pin and control/decoding integration block (21) goes into to hold 1 pin to be connected; Control/decoding integration block (21) respectively go into end 3,6,7 pin respectively with TV station's name identifier (4) outbound port 3 pin, pilot controller (5) outbound port 2 pin, buffer (1) outbound port 3 pin and connect, it goes out end 2 pin and goes into to hold 2 pin to be connected with gating integrated package (19); Gating integrated package (19) goes out end 3 pin and is connected with authorizing digital television data stream port (B), storage integrated package (18), gating integrated package (19), program compressed package extract integrated package (20), control/decoding integration block (21) respectively go into end 4 pin go out end+V voltage end with power supply (8) and connect, respectively go into to hold 5 pin and hold and connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004201073567U CN2741288Y (en) | 2004-11-25 | 2004-11-25 | Channel controlling module of digital TV set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004201073567U CN2741288Y (en) | 2004-11-25 | 2004-11-25 | Channel controlling module of digital TV set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2741288Y true CN2741288Y (en) | 2005-11-16 |
Family
ID=35351564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004201073567U Expired - Lifetime CN2741288Y (en) | 2004-11-25 | 2004-11-25 | Channel controlling module of digital TV set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2741288Y (en) |
-
2004
- 2004-11-25 CN CNU2004201073567U patent/CN2741288Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NO.54 INSTITUTE OF CHINA ELECTRONICS SCIENCE & TE Free format text: FORMER OWNER: NO.54 INSTITUTE OF CHINA ELECTRONICS SCIENCE + TECHNOLOGY GROUP Effective date: 20081107 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20081107 Address after: No 589, Zhongshan West Road, Shijiazhuang, Hebei Province, 050081 Co-patentee after: ChinaComm System Co., Ltd. Patentee after: China Electronic Technology Group Corporation fifty-fourth Research Institute Address before: Fifty-fourth, 589 West Zhongshan Road, Hebei, Shijiazhuang Province, China, post code: 050081 Patentee before: No.54 Inst., China Electronic Sci. & Tech. Group Co. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20141125 Granted publication date: 20051116 |