发明授权
- 专利标题： Secure clock with grace periods
- 专利标题（中）： 宽限期安全时钟
-
申请号： US11116884申请日： 2005-04-27
-
公开(公告)号： US08438645B2公开(公告)日： 2013-05-07
- 发明人: Amit Jain , Brian P. Evans , Clifford P. Strom , Benjamin B. Cutter, Jr.
- 申请人： Amit Jain , Brian P. Evans , Clifford P. Strom , Benjamin B. Cutter, Jr.
- 申请人地址： US WA Redmond
- 专利权人： Microsoft Corporation
- 当前专利权人： Microsoft Corporation
- 当前专利权人地址： US WA Redmond
- 代理机构： Collins & Collins Intellectual, LLC
- 代理商 L. Alan Collins
- 主分类号： G06F17/30
- IPC分类号： G06F17/30 ; G06F17/00
摘要：
A system of controlling playback of digital media. A system of controlling playback of digital media comprising a CE device having a secure clock and a license having a specified grace period disposed upon the CE device in which a digital media file governed by the license may be played for the grace period upon failure of the secure clock.
公开/授权文献
- US20060248596A1 Secure clock with grace periods 公开/授权日：2006-11-02
信息查询
