发明名称 |
METHOD AND APPARATUS FOR KEY DISTRIBUTION FOR SECURE DIGITAL CINEMA PRESENTATIONS |
摘要 |
Key distribution within a digital cinema presentation facility (140) occurs according to a retrieval process (200, 300) that provides for automatic retrieval at a scheduled time. The process further includes redundant mechanisms to transfer the necessary keys, in different ways to enable theater personnel to obtain the required key in a variety of different ways. |
申请公布号 |
EP1958445(A1) |
申请公布日期 |
2008.08.20 |
申请号 |
EP20060802943 |
申请日期 |
2006.09.07 |
申请人 |
THOMSON LICENSING |
发明人 |
WALKER, MARK, LEROY;LI, SUQING;REDMANN, WILLIAM, GIBBENS |
分类号 |
H04N7/167 |
主分类号 |
H04N7/167 |
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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