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:
Oct. 20, 2015
Filed:
Jun. 19, 2013
Western Digital Technologies, Inc., Irvine, CA (US);
Danny O. Ybarra, Mission Viejo, CA (US);
Asif F. Gosla, Irvine, CA (US);
Virgil V. Wilkins, Perris, CA (US);
Western Digital Technologies, Inc., Irvine, CA (US);
Abstract
Disclosed herein is a data storage device comprising data storage media comprising a plurality of data sectors and control circuitry programmed to: receive a command from a host to cryptographically erase at least a portion of data stored on the data storage media; execute a cryptographic erase; receive a read command from the host to read a data sector in the data storage media; determine if the data sector has been cryptographically erased; and return configurable return data to the host in response to determining that the data sector has been cryptographically erased.