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:
Aug. 03, 2010
Filed:
Nov. 14, 2005
Hiroyuki Wada, Minoh, JP;
Hiroyuki Wada, Minoh, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A right information management method for managing a right information of contents retained in a storage medium comprising an authenticated memory region accessible after a mutual authentication is obtained relative to a contents processing device and an ordinary memory region accessible without obtaining the mutual authentication, comprising a step of reading an encrypted right information retained in the authenticated memory region, a step of decoding the read encrypted right information and retrieving a plaintext right information, and a step of retaining the plaintext right information in the ordinary memory region. According to the right information management method, a user can be notified of the contents and the right information of the contents managed in the storage medium in a speedy manner via the contents processing device.