CN201294575Y - CA terminal integrated with digital television set-top box - Google Patents
CA terminal integrated with digital television set-top box Download PDFInfo
- Publication number
- CN201294575Y CN201294575Y CNU2008202242096U CN200820224209U CN201294575Y CN 201294575 Y CN201294575 Y CN 201294575Y CN U2008202242096 U CNU2008202242096 U CN U2008202242096U CN 200820224209 U CN200820224209 U CN 200820224209U CN 201294575 Y CN201294575 Y CN 201294575Y
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- top box
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- mutually integrated
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- 238000004806 packaging method and process Methods 0.000 abstract 1
- 238000005728 strengthening Methods 0.000 abstract 1
- 230000007704 transition Effects 0.000 abstract 1
- 238000011161 development Methods 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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- 239000000463 material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model discloses a CA terminal integrated with digital television set-top box, providing two sets of CA decryption terminal systems of different packaging forms which comprise an IC card decryption system and a decryption system without IC card to adapt to simul-crypt operation management ways of different front-end CA enterprises. User end can conveniently select CA decryption terminals through a change-over switch arranged on a control panel of set-top box. The employment of CA terminal without card stabilizes CA system performance which is not influenced by external environmental temperature, thereby preventing data from releasing and strengthening reproducing difficulty. The physical integration of two kinds of CA terminals with card and without card ensures the safety and flexibility of the system. Compared with the prior art, the CA terminal integrated with digital television set-top box realizes integration of multi-set CA systems for one set-top box, which accords with digital television integral transition requirements of the State Administration of Radio Film and Television.
Description
1, technical field
The utility model relates to the digital TV set-top box field, specifically is a kind of and the mutually integrated CA terminal of digital TV set-top box.
2, background technology
The CA device of the set-top box of existing Digital Television generally is to adopt the set-top box universal smart card, promptly in the deck of intelligent cards insertion machine top box, to reach the effect of encryption authorization.The raw material of smart card contact point can adopt import gold-plated, but the cost costliness; Also available domestic metallic copper is a material, and cost is not high, but quality is unsecured, occurs the problem of loose contact after long-term the use easily; Smart card is exposed in the air, the easy oxide etch of chip contact, and set-top box is under the external high temperature environment for a long time, also can make the smart card bending, thereby causes the chip loose contact and make showing mosaic phenomenon, influences reception condition.At present there has been CA manufacturer of tens of family in the whole nation in addition, and this has just caused the set-top box manufacturer need be according to the specific (special) requirements production of Virtual network operator, and set-top box is difficult to realize large-scale production.In order to change this present situation, the Ministry of Information Industry played the thinking of development that has just proposed separation between machine and card in 2002, and SARFT(The State Administration of Radio and Television) also also proposes the requirement of integral translation to China Digital TV.
3, summary of the invention
The purpose of this utility model provides a kind of and the mutually integrated CA terminal of digital TV set-top box.
The utility model discloses a kind of and the mutually integrated CA terminal of digital TV set-top box.The CA terminal system comprises IC-card and card reader thereof, and the IC-card system is promptly arranged, and SMD IC chip, does not promptly have the IC-card system, two cover CA decrypt circuit and diverter switches thereof of composition.The CA terminal system that SMD IC chip is formed is built in the internal system of set-top box fully, and has the IC-card in the card CA terminal system to finish plug by the external interface of card reader on the set-top box control panel.The same close operation management mode that adapts to the different CA of front end producer with the CA deciphering terminal system of the different packing forms of two covers.User side can be realized the selection of CA deciphering terminal easily by the diverter switch on the set-top box control panel.
Shared one 7816 interface of two cover CA terminals of different packing forms is finished with set-top box master chip system and is communicated by letter, and the user can select to carry out the CA terminal of work easily by the switch on the set-top box control panel.Have card to be connected with set-top box master chip system with the data wire that does not have shared 7816 interfaces of card two cover CA terminals, the power line of 7816 interfaces is divided into two-way by the control switch on the set top box front panel, is connected with two cover CA terminal systems respectively.The user need to select the CA terminal system of work by the mains switch in control 7816 interfaces, is corresponding C A terminal system and powers on.When user's start and by selector switch is after corresponding C A terminal powers on, set-top box master chip system filtration ECM and EMM information send to the CA terminal, the CA terminal is finished two-layer deciphering, sends it back the master chip system after recovering the CW word, finishes the scramble process of signal by it.
The no card CA terminal system of being made up of SMD IC chip stores many group key information, and it is right to upgrade the key of work at present easily by the CA front end system, the fail safe and the flexibility that improve system.Do not have the employing of card CA terminal, make that the CA systematic function is more stable, be not subjected to the influence of ambient temperature, prevent that data from leaking and increase difficulty of reproduction.The physics that blocks/have two kinds of CA terminals of card by nothing is integrated, makes system have higher fail safe and flexibility.The utility model has compared with prior art realized that a set-top box overlaps the integrated of CA system more, meets the requirement of SARFT(The State Administration of Radio and Television) to the China Digital TV integral translation.
4, description of drawings
The circuit block diagram of Fig. 1 CA terminal
CA terminal on Fig. 2 set top box front panel.
5, embodiment
Below in conjunction with accompanying drawing the mutually integrated CA terminal of a kind of and digital TV set-top box of the present utility model is done following detailed explanation.
As shown in Figure 1, the CA terminal system comprises IC-card and card reader thereof, and the IC-card system is promptly arranged, and SMD IC chip, does not promptly have the IC-card system, two cover CA decrypt circuit and diverter switches thereof of composition.Shared one 7816 interface of two cover CA terminals of different packing forms is finished with set-top box master chip system and is communicated by letter, and the user can select to carry out the CA terminal of work easily by the switch on the set-top box control panel.Have card to be connected with set-top box master chip system with the data wire that does not have shared 7816 interfaces of card two cover CA terminals, the power line of 7816 interfaces is divided into two-way by the control switch on the set top box front panel, is connected with two cover CA terminal systems respectively.The user need to select the CA terminal system of work by the mains switch in control 7816 interfaces, is corresponding C A terminal system and powers on.
As shown in Figure 2, the CA terminal system that SMD IC chip is formed is built in the internal system of set-top box fully, and system stores many group key information, and it is right to upgrade the key of work at present easily by the CA front end system, the fail safe and the flexibility that improve system.Do not have the employing of card CA terminal, make that the CA systematic function is more stable, be not subjected to the influence of ambient temperature, prevent that data from leaking and increase difficulty of reproduction.And have the IC-card in the card CA terminal system to finish plug by the external interface of card reader on the set-top box control panel.When user's start and by selector switch is after corresponding C A terminal powers on, set-top box master chip system filtration ECM and EMM information send to the CA terminal, the CA terminal is finished two-layer deciphering, sends it back the master chip system after recovering the CW word, finishes the scramble process of signal by it.
The physics that blocks/have two kinds of CA terminals of card by nothing is integrated, makes system have higher fail safe and flexibility.At the initial stage of Digital Television operation, front end only need be gone up a cover CA system, at the set-top box end, can allot IC-card for the user, and only use the CA terminal system that need not IC-card to be decrypted processing, to reduce the business development initial stage, the operation cost of system.Increase in digital cable customers quantity, after while business service type is abundanter, front end can carry out overlapping the same close of CA system more, also can adopt the business of different CA system encryption different stages, and can select to adopt the CA deciphering terminal that has card/nothing card different according to the needs of oneself for the terminal use.For example, can adopt for the basic bag business of Digital Television does not have card CA system encryption, and the terminal use need not to pay the cost of IC-card can finish watching of ciphered program.Effectively reduce the rating cost of vast domestic consumer.And for some professional charging channels, can adopt needs the CA of IC-card system encryption, is primarily aimed at high-end user.The terminal use must buy IC-card and just can finish watching of this class program like this.
That the mutually integrated CA terminal of a kind of and DTV STB of the present utility model has is simple in structure, use Convenient, security performance high have good value for applications.
Claims (7)
- One kind with the mutually integrated CA terminal of digital TV set-top box, it is characterized in that: comprise IC-card and card reader thereof, the IC-card system is promptly arranged, and SMD IC chip, promptly do not have the IC-card system, two cover CA decrypt circuit and diverter switches thereof of composition.
- 2. a kind of and the mutually integrated CA terminal of digital TV set-top box according to claim 1, it is characterized in that, the CA terminal system that SMD IC chip is formed is built in the internal system of set-top box fully, and has the IC-card in the card CA terminal system to finish plug by the external interface of card reader on the set-top box control panel.
- 3. a kind of and the mutually integrated CA terminal of digital TV set-top box according to claim 1, it is characterized in that, shared one 7816 interface of two cover CA terminals of different packing forms is finished with set-top box master chip system and is communicated by letter, and the user can select to carry out the CA terminal of work easily by the switch on the set-top box control panel.
- 4. a kind of and the mutually integrated CA terminal of digital TV set-top box according to claim 1, it is characterized in that the integrated of two cover CA terminal systems and shared 7816 interfaces and set-top-box system, there is card to be connected with set-top box master chip system with the data wire that does not have shared 7816 interfaces of card two cover CA terminals, the power line of 7816 interfaces is divided into two-way by the control switch on the set top box front panel, is connected with two cover CA terminal systems respectively.
- 5. a kind of and the mutually integrated CA terminal of digital TV set-top box according to claim 1, it is characterized in that, not having card and two kinds of CA terminals of card are arranged is two to overlap independently decryption system, the user is by the mains switch in control 7816 interfaces, selection needs the CA terminal system of work, is corresponding C A terminal system and powers on.
- 6. a kind of and the mutually integrated CA terminal of digital TV set-top box according to claim 1, it is characterized in that, when user's start and by selector switch is after corresponding C A terminal powers on, set-top box master chip system filtration ECM and EMM information send to the CA terminal, the CA terminal is finished two-layer deciphering, send it back the master chip system after recovering the CW word, finish the scramble process of signal by it.
- 7. a kind of and the mutually integrated CA terminal of digital TV set-top box according to claim 1, it is characterized in that, the no card CA terminal system of being made up of SMD IC chip stores many group key information, it is right to upgrade the key of work at present easily by the CA front end system, the fail safe and the flexibility that improve system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202242096U CN201294575Y (en) | 2008-11-25 | 2008-11-25 | CA terminal integrated with digital television set-top box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202242096U CN201294575Y (en) | 2008-11-25 | 2008-11-25 | CA terminal integrated with digital television set-top box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201294575Y true CN201294575Y (en) | 2009-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202242096U Expired - Fee Related CN201294575Y (en) | 2008-11-25 | 2008-11-25 | CA terminal integrated with digital television set-top box |
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| Country | Link |
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| CN (1) | CN201294575Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102075808A (en) * | 2011-01-25 | 2011-05-25 | 四川长虹电器股份有限公司 | Method for realizing multi-conditional access (CA) coexistence in set top box |
| CN102111642A (en) * | 2009-12-25 | 2011-06-29 | 厦门华侨电子股份有限公司 | Method for bidirectional AIO to receive encrypted digital television without using cards |
| CN112449215A (en) * | 2019-08-27 | 2021-03-05 | 武汉佳世创科技有限公司 | Method and system for supporting card-holding and card-free condition receiving based on digital television |
-
2008
- 2008-11-25 CN CNU2008202242096U patent/CN201294575Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102111642A (en) * | 2009-12-25 | 2011-06-29 | 厦门华侨电子股份有限公司 | Method for bidirectional AIO to receive encrypted digital television without using cards |
| CN102075808A (en) * | 2011-01-25 | 2011-05-25 | 四川长虹电器股份有限公司 | Method for realizing multi-conditional access (CA) coexistence in set top box |
| CN112449215A (en) * | 2019-08-27 | 2021-03-05 | 武汉佳世创科技有限公司 | Method and system for supporting card-holding and card-free condition receiving based on digital television |
| CN112449215B (en) * | 2019-08-27 | 2022-11-08 | 武汉佳世创科技有限公司 | Method and system for supporting card-holding and card-free condition receiving based on digital television |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090819 Termination date: 20101125 |