Wireless digital TV encryption communication system based on mobile phone TV safety module and its working method |
Title： |
| Wireless digital TV encryption communication system based on mobile phone TV safety module and its working method |
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Application Number： |
200710072802 |
Application Date： |
2007/01/04 |
Announcement Date： |
2008/01/09 |
Pub. Date： |
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Publication Number： |
101102462 |
Announcement Number： |
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Grant Date： |
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Granted Pub. Date： |
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ApplicationType： |
Invention |
State/Country： |
94[China|shenzhen] |
IPC： |
H04N 7/16H04Q 7/32H04L 9/32 |
Applicant(s)： |
Research Institute of Tsinghua University in Shenzhen |
Inventor(s)： |
Zhu Yongliang, Hou Weibing, He Tianyi |
Key Words： |
mobile phone TV, safety module, Wireless digital TV, encryption, communication system |
Abstract： |
The system comprises frond end, transmission network and user end. The front end encrypts and packs the media content data requested by user; said media content data and the authorized authentication information are transmitted to the user end via transmission network; the user terminal receives the packed and encrypted media content data and the authorized authentication information and uses the authorized authentication information to decrypt and restore the original media content data; the restored media content data is played on the user end. The invention combines the SIM card with the smart card for conditionally receiving the media content data to realize the mobile communication while controlling the receiving of the TV program. |
Claim： |
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Priority： |
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PCT： |
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LegalStatus： |
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