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:
Apr. 20, 2010
Filed:
Mar. 11, 2004
Applicants:
James M. Alkove, Woodinville, WA (US);
Stephen J. Estrop, Carnation, WA (US);
Inventors:
James M. Alkove, Woodinville, WA (US);
Stephen J. Estrop, Carnation, WA (US);
Assignee:
Microsoft Corporation, Redmond, WA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 17/30 (2006.01); G06F 7/04 (2006.01); H04N 7/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
Various embodiments provide methods and systems that utilize a protocol which enables media content protection by establishing a secure communication channel and, in some embodiments, a secure data channel, between a device such as a computing device running a protected content playback application, and a downstream component such as an associated driver, such as a graphics driver, of an associated display device such as a monitor, flat panel LCD, television and the like.