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:
Nov. 19, 2013
Filed:
Mar. 22, 2012
Hideki Arai, Kanagawa, JP;
Hideki Arai, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
A storage media device includes a user-data storage section that is capable of storing encrypted user data; a key-information storage section that is capable of storing key information for decrypting the encrypted user data; a key-information deleting section that performs electrical processing for deleting the key information stored by the key-information storage section; a first switch that is manually operated by a user to issue an instruction for operating the key-information deleting section; a battery that supplies power for operating the key-information deleting section; and a display section that displays that the key-information deletion performed by the key-information deleting section is completed.