Invention Grant
- Patent Title: Secure clock with grace periods
- Patent Title (中): 宽限期安全时钟
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Application No.: US11116884Application Date: 2005-04-27
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Publication No.: US08438645B2Publication Date: 2013-05-07
- Inventor: Amit Jain , Brian P. Evans , Clifford P. Strom , Benjamin B. Cutter, Jr.
- Applicant: Amit Jain , Brian P. Evans , Clifford P. Strom , Benjamin B. Cutter, Jr.
- Applicant Address: US WA Redmond
- Assignee: Microsoft Corporation
- Current Assignee: Microsoft Corporation
- Current Assignee Address: US WA Redmond
- Agency: Collins & Collins Intellectual, LLC
- Agent L. Alan Collins
- Main IPC: G06F17/30
- IPC: G06F17/30 ; G06F17/00
Abstract:
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.
Public/Granted literature
- US20060248596A1 Secure clock with grace periods Public/Granted day:2006-11-02
Information query
