CN204046752U - There is the Set Top Box of NFC chip module - Google Patents
There is the Set Top Box of NFC chip module Download PDFInfo
- Publication number
- CN204046752U CN204046752U CN201420340810.7U CN201420340810U CN204046752U CN 204046752 U CN204046752 U CN 204046752U CN 201420340810 U CN201420340810 U CN 201420340810U CN 204046752 U CN204046752 U CN 204046752U
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- China
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- module
- top box
- nfc chip
- nfc
- chip module
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Abstract
The utility model discloses a kind of Set Top Box with NFC chip module, comprising: with outside, there is NFC device and carry out near-field communication and obtain the NFC chip module of individual subscriber key, the set-top box processes module of carrying out access control and scramble process based on described individual subscriber key, power module, panel display module and peripheral interface module; Described power module is electrically connected respectively with described set-top box processes module, described NFC chip module, described panel display module; Described set-top box processes module is electrically connected with described peripheral interface module.Application technical solutions of the utility model, the smart machine with NFC communication function that can be carried by built-in NFC chip and user carries out alternately, realizing the access control function of CA system, thus user-friendly.
Description
Technical field
The utility model relates to electronic technology field, particularly relates to a kind of Set Top Box with NFC chip module.
Background technology
Set Top Box is a kind of equipment connecting TV and outside source.The digital signal of compression is converted to television content by it, and shows on a television set.
Current Set Top Box is inner, usually can integrated CA (Conditional Access, condition reception) system.The function of CA system comprises access control and Reinforced turf two large divisions.Set Top Box adopts the audio/video flow of scrambled control word (CW) encrypted transmission TV programme, as mpeg etc.Transmit to scrambled control word (CW) and relevant have two data flow: Entitlement Control Message (ecms) and Entitlement Management Message (emms).CW is encrypted by business cipher key (SK), is kept in ecms.SK is encrypted by individual subscriber key (pdk), is kept in emms.Current access control part, adopts independent IC-card to carry out insertion authority checking, in the IC-card that this is independent, saves the relevant information of pdk.When Set Top Box control chip communicates with above-mentioned independent IC-card, obtain pdk, just can decipher from emms and obtain SK, by SK, CW is obtained to ecms deciphering again, descrambling is carried out again by the TV programme audio/video flow of CW to scrambling, just can export TV programme on television set, thus make user to watch respective program.
That is, current access control is carried out communicating realizing with the control chip of Set Top Box by independent IC-card, and user needs keeping separately and carries this IC-card, and this IC-card can not realize other function usually, causes user and uses inconvenience.
Utility model content
Based on this, be necessary to provide a kind of Set Top Box with NFC chip module, the smart machine with NFC communication function that can be carried by built-in NFC chip and user carries out alternately, realizing the access control function of CA system, thus user-friendly.
There is a Set Top Box for NFC chip module, comprising: the equipment having a NFC function with outside carries out near-field communication and obtains the NFC chip module of individual subscriber key, the set-top box processes module of carrying out access control and scramble process based on described individual subscriber key, power module, panel display module and peripheral interface module; Described power module is electrically connected respectively with described set-top box processes module, described NFC chip module, described panel display module; Described set-top box processes module is electrically connected with described peripheral interface module.
In one embodiment, described NFC chip module NFC induction zone is wherein provided with NFC induction coil.
In one embodiment, described peripheral interface module comprises network interface, cable interfaces, AV interface and HDMI.
In one embodiment, described panel display module comprises button and touch control display screen.
Above-mentioned Set Top Box, increase the equipment with outside with NFC function newly and carry out the NFC chip module that near-field communication obtains individual subscriber key, after this NFC chip module receives individual subscriber key, set-top box processes module is transferred to carry out access control and scramble process, thus realize the access control function of CA system, user only need to carry have individual subscriber key NFC device as smart mobile phone etc., thus user-friendly and management.
Accompanying drawing explanation
Fig. 1 is the structural representation with the Set Top Box of NFC chip module in an embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
See Fig. 1, provide a kind of Set Top Box with NFC chip module in one embodiment.This Set Top Box comprises: have NFC device with outside and carry out near-field communication and obtain the NFC chip module 101 of individual subscriber key, the set-top box processes module 102 of carrying out access control and scramble process based on individual subscriber key, power module 103, panel display module 104 and peripheral interface module 105.Power module 103 is electrically connected respectively with set-top box processes module 102, NFC chip module 101, panel display module 104, for it provides power supply.Set-top box processes module 102 is electrically connected with peripheral interface module 105.NFC chip module 101 NFC induction zone is wherein provided with NFC induction coil.
Set Top Box in the present embodiment, its operation principle is as follows:
NFC chip module 101 is by obtaining individual subscriber key with the external equipment with NFC function be placed near induction zone as smart mobile phone carries out near-field communication.Wherein, near field communication technology is a kind of short-range high frequency wireless communication technology, and it allows electronic equipment to carry out contactless Point-to-Point Data Transmission (scope is in 10 centimetres).At present, along with the progress of technology, equipment such as the mobile phone of more and more I is integrated with NFC chip, thus can realize near-field communication function.In the present embodiment, individual subscriber key can be kept in the equipment such as mobile phone in advance.
After NFC chip module 101 obtains individual subscriber key, individual subscriber key is transferred to set-top box processes module 102, carry out the process such as access control and descrambling by set-top box processes module 102 by prior art.Set Top Box module 102 can comprise computing chip (as FPGA, CPLD etc.) and storage chip (flash, SDRAM etc.), it adopts the audio/video flow of scrambled control word (CW) encrypted transmission TV programme, as mpeg etc.Transmit to scrambled control word (CW) and relevant have two data flow: Entitlement Control Message (ecms) and Entitlement Management Message (emms).CW is encrypted by business cipher key (SK), is kept in ecms.SK is encrypted by individual subscriber key (pdk), is kept in emms.After set-top box processes module 102 obtains pdk, just can decipher from emms and obtain SK, then by SK, CW be obtained to ecms deciphering, then carry out descrambling by the TV programme audio/video flow of CW to scrambling, just can export TV programme on television set, thus make user to watch respective program.
Optionally, peripheral interface module 105 comprises network interface, cable interfaces, AV interface and HDMI.
Optionally, panel display module 104 comprises button and touch control display screen.
Above-mentioned Set Top Box, increase the equipment with outside with NFC function newly and carry out the NFC chip module that near-field communication obtains individual subscriber key, after this NFC chip module receives individual subscriber key, set-top box processes module is transferred to carry out access control and scramble process, thus realize the access control function of CA system, user only need to carry have individual subscriber key NFC device as smart mobile phone etc., thus user-friendly and management.
The above embodiment only have expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (4)
1. one kind has the Set Top Box of NFC chip module, it is characterized in that, comprising: the equipment having a NFC function with outside carries out near-field communication and obtains the NFC chip module of individual subscriber key, the set-top box processes module of carrying out access control and scramble process based on described individual subscriber key, power module, panel display module and peripheral interface module; Described power module is electrically connected respectively with described set-top box processes module, described NFC chip module, described panel display module; Described set-top box processes module is electrically connected with described peripheral interface module.
2. Set Top Box according to claim 1, is characterized in that, described NFC chip module NFC induction zone is wherein provided with NFC induction coil.
3. Set Top Box according to claim 1, is characterized in that, described peripheral interface module comprises network interface, cable interfaces, AV interface and HDMI.
4. Set Top Box according to claim 1, is characterized in that, described panel display module comprises button and touch control display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420340810.7U CN204046752U (en) | 2014-06-24 | 2014-06-24 | There is the Set Top Box of NFC chip module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420340810.7U CN204046752U (en) | 2014-06-24 | 2014-06-24 | There is the Set Top Box of NFC chip module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204046752U true CN204046752U (en) | 2014-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420340810.7U Expired - Fee Related CN204046752U (en) | 2014-06-24 | 2014-06-24 | There is the Set Top Box of NFC chip module |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107659838A (en) * | 2017-09-26 | 2018-02-02 | 山东浪潮商用系统有限公司 | A kind of one-way set-top box order method based on NFC technique |
-
2014
- 2014-06-24 CN CN201420340810.7U patent/CN204046752U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107659838A (en) * | 2017-09-26 | 2018-02-02 | 山东浪潮商用系统有限公司 | A kind of one-way set-top box order method based on NFC technique |
| CN107659838B (en) * | 2017-09-26 | 2020-05-12 | 山东云缦智能科技有限公司 | One-way set top box on-demand method based on NFC technology |
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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 |
Granted publication date: 20141224 Termination date: 20150624 |
|
| EXPY | Termination of patent right or utility model |