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:
Apr. 06, 2010
Filed:
Apr. 07, 2005
Applicant:
Tetsuro Kino, Tokyo, JP;
Inventor:
Tetsuro Kino, Tokyo, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 7/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
An information recording device having a recording head for recording information on a recording medium includes: an inherent ID generator that generates an inherent ID for the recording medium; an inherent ID recording unit that records the generated inherent ID on the recording medium with the recording head; an encryption key generator that generates an encryption key, based on the inherent ID; an encrypting unit that encrypts contents information, using the generated encryption key; and a contents recording unit that records the encrypted contents information on the recording medium with the recording head.