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. 29, 2014
Filed:
Jan. 07, 2010
Applicants:
Kedarnath A. Dubhashi, Redmond, WA (US);
Majd Bakar, San Jose, CA (US);
Douglas Steedman, Redmond, WA (US);
Inventors:
Kedarnath A. Dubhashi, Redmond, WA (US);
Majd Bakar, San Jose, CA (US);
Douglas Steedman, Redmond, WA (US);
Assignee:
Microsoft Corporation, Redmond, WA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); H04L 9/08 (2006.01);
U.S. Cl.
CPC ...
H04L 9/08 (2013.01);
Abstract
This document describes techniques and apparatuses enabling application of digital rights management (DRM) to media streams. In one embodiment, three license levels are used to protect numerous television channels without undue use of computing resources.