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. 15, 2006
Filed:
Mar. 09, 2004
Akihiro Muto, Tokyo, JP;
Tateo Oishi, Saitama, JP;
Taizo Shirai, Tokyo, JP;
Sony Corporation, Tokyo, JP;
Abstract
An information processing apparatus utilizing encrypted information corresponding to content of purchased right, includes a memory for storing the encrypted information, usage control policy indicating content of purchased right and price tag for specifying price content corresponding to the content of the purchased right. A first generating device generates a usage control status including the purchase history of the information on the basis of the usage control policy and the price tag stored in the memory. A setting device sets usage history based on usage of the information to the usage control status. A second generating device calculates an accounting price and generates accounting information including the accounting price based on the purchase history or the usage history, and/or puts a limit on purchasable usage conditions based on the purchase history or the usage history on the occasion the right is purchased again on different format from the control policy.