CN201294581Y - Safety control receiver with separated machine and card - Google Patents
Safety control receiver with separated machine and card Download PDFInfo
- Publication number
- CN201294581Y CN201294581Y CNU2008201066701U CN200820106670U CN201294581Y CN 201294581 Y CN201294581 Y CN 201294581Y CN U2008201066701 U CNU2008201066701 U CN U2008201066701U CN 200820106670 U CN200820106670 U CN 200820106670U CN 201294581 Y CN201294581 Y CN 201294581Y
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Abstract
The utility model discloses a set-card separation security control receiver which relates to a satellite digital television receiver for safety-controlling satellite digital television broadcasting programs in digital television field. The set-card separation security control receiver, comprising a demodulation chip, a security control chip, a decoding chip, an IC card seat, a power supply and the like, decides whether a television program can be received according to the station name of the program in order to realize security controlling reception of satellite digital television broadcasting programs. The set-card separation security control receiver uses IC cards to update names of television stations and to manage users, and is characterized by high control accuracy, reliable performance, low cost, simple circuit structure, small size, convenient manufacture and operation and the like. The set-card separation security control receiver is especially adaptable to be used as a satellite digital television receiving device which is provided with a security control receiving function of television programs.
Description
Technical field
The utility model relates to a kind of separation between machine and card type security controlling receiver in the digital TV field, is specially adapted to as the satellite digital TV receiving system with TV programme security control receiving function.
Background technology
Along with the expansion of domsat digital TV direct business, the channel Security Control Problem of Digital Television is more and more important.On probation comprehensively at the satellite digital TV security controlling receiver, under the situation that the security control function of peace control chip gets the nod, utilize IC-card network information update mode in order to give full play to the advantage of the Internet, to have designed, use IC-card to realize a new generation's peace control chip of channel name updating function.The receiver that installation has this function peace control chip is called separation between machine and card type security controlling receiver.
Separation between machine and card type security controlling receiver utilizes IC-card and realizes channel name updating and user management by the upgrade of network that upgrading terminals machine, the Internet and updating and management server are formed, use above-mentioned upgrading mode to be convenient to user and upgrade case thereof are managed, the independence of customer upgrade simultaneously improves.
Summary of the invention
The purpose of this utility model is to avoid the weak point in the above-mentioned background technology and a kind of separation between machine and card type security controlling receiver that can utilize IC-card and the Internet to realize channel name updating and subscriber management function is provided, 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 to realize like this, it comprises demodulation chip 100, peace control chip 200, decoding chip 300, IC-card seat 400, power supply 500, wherein demodulation chip 100 inbound ports are connected with analog signal outbound port A, outbound port is connected in series peace control chip 200 successively, decoding chip 300 backs are connected with television terminal interface B, IC-card seat 400 is gone into out end and is gone into out end with peace control chip 200 and be connected, power supply 500 go out end+V voltage end, hold corresponding power end with each parts, hold and be connected.
The utility model peace control chip 200 is made up of buffer 210, information parser 220, system controller 230, program filtering device 240, platform name memory 250, decipher 260, IC-card controller 270, and wherein buffer 210 inbound ports 1 pin is connected with demodulation chip 100 outbound ports, its outbound port 2 pin are connected with information parser 220 inbound ports 1 pin, its outbound port 3 pin are connected with program filtering device 240 inbound ports 1 pin; Information parser 220 outbound ports 2 pin and IC-card controller 270 outbound ports 2 pin are with decipher 260 inbound ports, 1 pin and connect, its outbound port 3 pin are connected with system controller 230 inbound ports 1 pin; IC-card controller 270 is gone into outbound port 1 pin and is gone into outbound port with IC-card seat 400 and be connected; Decipher 260 outbound ports 2 pin are connected with system controller 230 inbound ports 2 pin; System controller 230 goes into that outbound port 3 pin are connected with platform name memory 250 arrival ends 1 pin, its outbound port 4 pin are connected with program filtering device 240 inbound ports 2 pin; Program filtering device 240 outbound ports 3 pin are connected with decoding chip 300 inbound ports; Buffer 210, information parser 220, system controller 230, program filtering device 240, platform name memory 250, decipher 260, IC-card controller 270 are respectively gone into end 5 pin and power supply 500 and are gone out end+V voltage end and be connected, respectively go into to hold 6 pin to hold with ground to be connected.
The utility model IC-card controller 270 is made up of IC-card interface integrated package 271, IC-card control integrated package 272, and wherein IC-card interface integrated package 271 goes into that outbound port 1 pin and IC-card seat 400 go into that outbound port is connected, it goes into outbound port 2 pin and IC-card and control integrated package 272 and go into outbound port 1 pin and be connected; IC-card control integrated package 272 outbound ports 2 pin are connected with decipher 260 inbound ports; IC-card interface integrated package 271, IC-card control integrated package 272 is respectively gone into end 5 pin and power supply 500 and is gone out end+V voltage end and be connected, respectively go into to hold 6 pin to hold with ground to be connected.
The utility model is compared with background technology, has following advantage:
(1) the utility model adopts peace control chip 200 to carry out program and receives control, to satellite digital TV program precise control height, dependable performance.
(2) each circuit block of the utility model adopts general modular circuit to make, and circuit structure is simple, and is with low cost, easy for operation, and need not the cooperation of satellite television connecting station front end, and economical and efficient has application value.
(3) the utility model can also adopt IC-card and the Internet to realize channel name updating and subscriber management function except that original aerial upgrade function, conveniently carries out channel name updating and user management, and can improve the independence of customer upgrade.
Description of drawings
Fig. 1 is the electric functional-block diagram of the utility model most preferred embodiment.
Fig. 2 is the most preferred embodiment electrical schematic diagram of the utility model peace control chip 200.
Fig. 3 is the most preferred embodiment electrical schematic diagram of the utility model IC-card controller 270.
Embodiment
Referring to figs. 1 through Fig. 3, the utility model comprises demodulation chip 100, peace control chip 200, decoding chip 300, IC-card seat 400, power supply 500, as shown in Figure 1.Wherein demodulation chip 100 inbound ports are connected with antenna analog signal outbound port A, outbound port is connected in series peace control chip 200 successively, decoding chip 300 backs are connected with television terminal interface B, IC-card seat 400 is gone into out end and is gone into out end with peace control chip 200 and be connected, power supply 500 go out the terminal voltage end, hold corresponding power end with each parts, hold and be connected.100 effects of the utility model demodulation chip are that the satellite-signal that will receive carries out tuning demodulation, form the compressed digital program transport streams that has audio/video and other information.Embodiment adopts commercially available universal demodulation production of integrated circuits.
The effect of the utility model peace control chip 200 is that the control program receives, suppress illegal programs, receive only the permission program transport streams, it is made up of buffer 210, information parser 220, system controller 230, program filtering device 240, platform name memory 250, decipher 260, IC-card controller 270, Fig. 2 is the electrical schematic diagram of the utility model peace control chip 200, and embodiment presses Fig. 2 connection line.Wherein buffer 210 with the digital television program of buffer-stored stream signal one tunnel be delivered to information parser 220, another road is delivered to program filtering device 240.Buffer 210 embodiment adopt general buffer production of integrated circuits.
Behind the digital television program stream signal of the utility model information parser 220 reception buffers 210 inputs packet is wherein discerned and extracted, the program information table of extracting is delivered to system controller 230 carries out analyzing and processing, the upgrading data packet of extracting is delivered to decipher 260 is decrypted and authenticates.Information parser 220 embodiment adopt general programmable integrated circuit to make.
The utility model IC-card controller 270 is made up of IC-card interface integrated package 271, IC-card control integrated package 272, IC-card interface integrated package 271 provides the interface of peace control chip to IC-card, IC-card is carried out read-write operation, information in 272 pairs of IC-cards of IC-card control integrated package is analyzed, and IC-card is carried out corresponding read-write operation.Fig. 3 is the electrical schematic diagram of the utility model IC-card controller 270, and embodiment presses Fig. 3 connection line.IC-card controller 270 verifies the information of IC-card from IC-card seat 400 reading of data, if IC-card information can with the upgrading data packet extracted in the card is transported to decipher 260, and the correlated identities information in the neocaine more; If the information in the IC-card and predefinedly be not inconsistent then stops the operation to card.IC-card controller 270 embodiment adopt general programmable integrated circuit to make.
The utility model decipher 260 receives the upgrading data packet of information parser 220 or 270 extractions of IC-card controller, be decrypted and authenticate, carry out analyzing and processing by the upgrade data that authenticates after back output is deciphered to system controller 230, decipher 260 embodiment adopt general coder and decoder ic to make.
The program information table that the upgrade data of the utility model system controller 230 receiving and deciphering devices 260 or information parser 220 extract is carried out analyzing and processing; The initial parameter of system controller 230 and legal name are stored in the platform name memory 250; System controller 230 reads legal name of storage the TV programme that receives is carried out the legitimacy judgement from platform name memory 250, carry out filter operation according to judged result control program filtering device 240.System controller 230 embodiment adopt programmable integrated circuit to make.Platform name memory 250 embodiment adopt general buffer production of integrated circuits.
The utility model program filtering device 240 detects according to the filtering information of the system controller 230 input TV programme stream information to buffer 210 inputs, filters out not allow the TV program stream signal that receives, only exports legal digital television program stream signal.The utility model program filtering device 240 adopts general buffer production of integrated circuits.
The effect of the utility model decoding chip 300 is that legal digital television program stream is carried out demultiplexing, decoding, goes back original image harmony sound, outputs to display terminal, and embodiment decoding chip 300 adopts commercially available general decoding production of integrated circuits.Power supply 500 adopts external Dc low voltage power supply to make, and its output 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:
Antenna receives the satellite digital TV signal, through demodulation chip 100 tuning demodulation, formation has the compressed digital program stream signal of audio/video and other information, be input to peace control chip 200, peace control chip 200 is mainly by analyzing, judge digital TV program stream signal, encoding by identification program platform name judges whether the TV programme play into allowing, thereby the illegal programs signal is filtered, and only exports legal digital television program stream; Legal digital television program stream signal carries out demultiplexing, decoding through decoding chip 300, goes back original image harmony sound, outputs to display terminal, outputs to display terminal, finishes reception.
The utility model peace control chip 200 is mainly by analyzing, judge digital TV program stream signal, therefrom extract the platform name coding of TV programme, and compare with legal name coding of platform name memory 250 storage, thereby judge whether this program belongs to the TV programme that allows reception, and control the TV program stream signal that allows permission receive with this and pass through, filter out and do not allow the TV program stream signal that receives, reach the purpose that digital TV program stream signal is received control.Its workflow as shown in Figure 2, the digital television program stream signal that receives at first passes through buffer 210,220 pairs of packets of information parser are discerned and are extracted, the program information table of extracting is delivered to system controller 230 carries out analyzing and processing, the upgrading data packet of extracting is delivered to decipher 260 is decrypted and authenticates.
When carrying out the platform name when upgrading, decipher 260 receives the channel name updating packet of information parsers 220 or 270 inputs of IC-card controller, to packet be decrypted, operation such as authentication, as packet deciphering, authentication operation success, transport to system controller 230; System controller 230 extracts the platform name that needs in the upgrading data packet to upgrade and encodes, and the content of platform name memory 250 is upgraded; Relevant information the IC-card is upgraded when IC-card reads upgrade information, user's escalation process and current state are monitored and managed.
The utility model mounting structure is as follows:
The utility model is installed in all circuit elements among Fig. 1 to Fig. 3 in two printed boards, one block length * wide is 60 * 80 millimeters, one block length * wide is 60 * 120 millimeters, it is in 240 * 180 * 45 millimeters the cabinet that two printed boards are installed in length * wide * height, and assembles connection line by Fig. 1 to Fig. 3.The cable socket of external antenna port A, the socket of television terminal interface B and the input gang socket of power supply 500 are installed, the assembly cost utility model on the rear board of cabinet.
Claims (3)
1, a kind of separation between machine and card type security controlling receiver, it comprises demodulation chip (100), decoding chip (300), power supply (500), it is characterized in that: it also comprises peace control chip (200), IC-card seat (400), wherein demodulation chip (100) inbound port is connected with analog signal outbound port A, outbound port is connected in series peace control chip (200) successively, decoding chip (300) back is connected with television terminal interface B, IC-card seat (400) is gone into out end and is gone into out end with peace control chip (200) and be connected, power supply (500) go out end+V voltage end, hold corresponding power end with each parts, hold and be connected.
2, separation between machine and card type security controlling receiver according to claim 1, it is characterized in that: peace control chip (200) is made up of buffer (210), information parser (220), system controller (230), program filtering device (240), platform name memory (250), decipher (260), IC-card controller (270), and wherein outbound port is connected buffer (210) inbound port 1 pin, its outbound port 2 pin are connected with information parser (220) inbound port 1 pin, its outbound port 3 pin are connected with program filtering device (240) inbound port 1 pin with demodulation chip (100); Information parser (220) outbound port 2 pin and IC-card controller (270) outbound port 2 pin are with decipher (260) inbound port 1 pin and connect, its outbound port 3 pin are connected with system controller (230) inbound port 1 pin; IC-card controller (270) is gone into outbound port 1 pin and is gone into outbound port with IC-card seat (400) and be connected; Decipher (260) outbound port 2 pin are connected with system controller (230) inbound port 2 pin; System controller (230) goes into that outbound port 3 pin are connected with platform name memory (250) arrival end 1 pin, its outbound port 4 pin are connected with program filtering device (240) inbound port 2 pin; Program filtering device (240) outbound port 3 pin are connected with decoding chip (300) inbound port; Buffer (210), information parser (220), system controller (230), program filtering device (240), platform name memory (250), decipher (260), IC-card controller (270) are respectively gone into end 5 pin and power supply (500) and are gone out end+V voltage end and be connected, respectively go into to hold 6 pin to hold with ground to be connected.
3, separation between machine and card type security controlling receiver according to claim 1 and 2, it is characterized in that: IC-card controller (270) is made up of IC-card interface integrated package (271), IC-card control integrated package (272), and wherein IC-card interface integrated package (271) goes into that outbound port 1 pin and IC-card seat (400) go into that outbound port is connected, it goes into outbound port 2 pin and IC-card and control integrated package (272) and go into outbound port 1 pin and be connected; IC-card control integrated package (272) outbound port 2 pin are connected with decipher (260) inbound port; IC-card interface integrated package (271), IC-card control integrated package (272) is respectively gone into end 5 pin and power supply (500) and is gone out end+V voltage end and be connected, respectively go into to hold 6 pin to hold with ground to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201066701U CN201294581Y (en) | 2008-11-25 | 2008-11-25 | Safety control receiver with separated machine and card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201066701U CN201294581Y (en) | 2008-11-25 | 2008-11-25 | Safety control receiver with separated machine and card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201294581Y true CN201294581Y (en) | 2009-08-19 |
Family
ID=41008063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201066701U Expired - Fee Related CN201294581Y (en) | 2008-11-25 | 2008-11-25 | Safety control receiver with separated machine and card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201294581Y (en) |
-
2008
- 2008-11-25 CN CNU2008201066701U patent/CN201294581Y/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: 20090819 Termination date: 20161125 |