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:
Feb. 08, 2011
Filed:
Apr. 03, 2006
Akira Nonaka, Tokyo, JP;
Tadashi Ezaki, Tokyo, JP;
Akira Nonaka, Tokyo, JP;
Tadashi Ezaki, Tokyo, JP;
Sony Corporation, Tokyo, JP;
Abstract
A content providerdistributes a secure containerstoring content data encrypted using content key data, content key data encrypted using distribution key data, and encrypted usage control policy data indicating the handling of the content data to a SAMof a user home networketc. The SAM, etc. decrypts the content data and usage control policy data stored in the secure containerand determines the purchase mode and usage mode and other handling of the content data based on said decrypted usage control policy data.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile