发明名称 |
DIGITAL VIDEO CONVERTER BOX FOR SUBSCRIBER/HOME WITH MULTIPLE TELEVISION SETS |
摘要 |
A digital video conversion system housing multiple converter chains of units in a single main box chassis. A preferred embodiment uses only a single conditional access unit to authorize decryption of premium channels in response to a smartcard. The conversion system allows a single converter box sharing consolidated decryption (access control) circuitry and a single remote control receiver to provide video output for multiple television sets on the subscriber's premises. In addition to reducing the subscriber's hardware costs per television set, a common access control allows the video service provider to grant a multiple-set discount on a single smartcard.
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申请公布号 |
WO9826593(A1) |
申请公布日期 |
1998.06.18 |
申请号 |
WO1997US23764 |
申请日期 |
1997.12.10 |
申请人 |
ROCKWELL SEMICONDUCTOR SYSTEMS, INC. |
发明人 |
GURANTZ, ITZHAK |
分类号 |
H04N7/16;(IPC1-7):H04N7/16 |
主分类号 |
H04N7/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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