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 代理人
主权项
地址