The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 07, 2013
Filed:
Apr. 27, 2005
Applicants:
Amit Jain, Sammamish, WA (US);
Brian P. Evans, Redmond, WA (US);
Clifford P. Strom, Sammamish, WA (US);
Benjamin B. Cutter, Jr., Kirkland, WA (US);
Inventors:
Amit Jain, Sammamish, WA (US);
Brian P. Evans, Redmond, WA (US);
Clifford P. Strom, Sammamish, WA (US);
Benjamin B. Cutter, Jr., Kirkland, WA (US);
Assignee:
Microsoft Corporation, Redmond, WA (US);
Primary Examiner:
Int. Cl.
CPC ...
G06F 17/30 (2006.01); G06F 17/00 (2006.01);
U.S. Cl.
CPC ...
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.