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:
Dec. 15, 2009
Filed:
Aug. 11, 2005
Applicants:
James M. Alkove, Woodinville, WA (US);
Ken Reneris, Redmond, WA (US);
Inventors:
James M. Alkove, Woodinville, WA (US);
Ken Reneris, Redmond, WA (US);
Assignee:
Microsoft Corporation, Redmond, WA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 7/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
Systems and/or methods ('tools') are described that enable encrypted media files to be sent without revocation lists while permitting the encrypted media files to be passed to trusted entities. The tools may also ensure continuation of protection when media files are passed between different protection systems.