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. 09, 2011
Filed:
Feb. 09, 2006
Teruto Hirota, Moriguchi, JP;
Makoto Tatebayashi, Takarazuka, JP;
Taihei Yugawa, Nara, JP;
Masataka Minami, Burbank, CA (US);
Masayuki Kozuka, Arcadia, CA (US);
Teruto Hirota, Moriguchi, JP;
Makoto Tatebayashi, Takarazuka, JP;
Taihei Yugawa, Nara, JP;
Masataka Minami, Burbank, CA (US);
Masayuki Kozuka, Arcadia, CA (US);
Panasonic Corporation, Osaka, JP;
Abstract
A semiconductor memory card comprising a control IC, a flash memory, and a ROM. The ROMholds information such as a medium IDunique to the semiconductor memory card. The flash memoryincludes an authentication memoryand a non-authentication memory. The authentication memorycan be accessed only by external devices which have been affirmatively authenticated. The non-authentication memorycan be accessed by external devices whether or not the external devices have been affirmatively authenticated or not. The control ICincludes control unitsand, an authentication unitand the like. The control unitsandcontrol accesses to the authentication memoryand the non-authentication memory, respectively. The authentication unitexecutes a mutual authentication with an external device.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile