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. 28, 2012
Filed:
Oct. 02, 2009
Samuel Y. Yu, San Francisco, CA (US);
Christopher S. Moore, San Jose, CA (US);
Jason S. Whetstone, Pleasanton, CA (US);
Ron Barzilai, Sunnyvale, CA (US);
Hironaga Ino, San Jose, CA (US);
Samuel Y. Yu, San Francisco, CA (US);
Christopher S. Moore, San Jose, CA (US);
Jason S. Whetstone, Pleasanton, CA (US);
Ron Barzilai, Sunnyvale, CA (US);
Hironaga Ino, San Jose, CA (US);
SanDisk Technologies Inc., Plano, TX (US);
Abstract
These embodiments relate to authentication and securing of write-once, read-many (WORM) memory devices. In one embodiment, a memory device comprises a controller operable in first and second modes of operation after stored security information is validated, wherein in the first mode of operation, the memory device operates in a read-only mode, and wherein in the second mode of operation, the memory device operates in a write-once, read-many (WORM) mode. In another embodiment, the controller is operative to perform security methods.