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:
Jan. 10, 2012
Filed:
Jul. 15, 2010
Akira Nonaka, Kanagawa, JP;
Tadashi Ezaki, Tokyo, JP;
Akira Nonaka, Kanagawa, JP;
Tadashi Ezaki, Tokyo, JP;
Sony Corporation, Tokyo, JP;
Abstract
A data providing system for distributing content data from a data providing apparatus to a data processing apparatus and managing said data providing apparatus and said processing apparatus by a management apparatus. In the system, the management apparatus is configured to provide a key file in which is stored content key data and usage control policy data indicating a content of rights, including permission conditions of the content data. At least a part of said key file is encrypted. The data providing apparatus is configured to provide the content data encrypted by using the content key data stored in the key file. The data processing apparatus is configured to decrypt the key file to obtain the content key data from the key file and determine handling of the content data based on the usage control policy data stored in the key file.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile