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:
Mar. 25, 2008
Filed:
May. 20, 2004
Yoshihide Kikuchi, Tokyo, JP;
Koichi Funaya, Tokyo, JP;
Osamu Ootsuka, Tokyo, JP;
Kantarou Oota, Tokyo, JP;
Naoki Soeda, Tokyo, JP;
Yoshihide Kikuchi, Tokyo, JP;
Koichi Funaya, Tokyo, JP;
Osamu Ootsuka, Tokyo, JP;
Kantarou Oota, Tokyo, JP;
Naoki Soeda, Tokyo, JP;
TDK Corporation, Tokyo, JP;
Abstract
A disk system has contents play-back restriction mechanism. A contents storage section, which contents received from a regular server are stored in. A capacitor charged with power supplied from the server. A volatile memory backed up by the capacitor and stores data necessary for the play-back of the contents received from the server. A controller for controlling the contents storage section and the volatile memory for reading and writing data when supplied with power from a regular player or the server.