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:
Jan. 05, 2016
Filed:
Mar. 11, 2013
Sandisk Technologies Inc., Plano, TX (US);
Tal Rostoker, Kfar Vradim, IL;
SANDISK TECHNOLOGIES INC., Plano, TX (US);
Abstract
A data storage device includes a write protection data structure that includes a first set of entries corresponding to a first set of ranges of memory addresses. A first indication stored in an entry, in the first set of entries, corresponds to an absence of write-protected data between a lowest address of the range of addresses corresponding to the entry and a highest address of a memory. A second indication stored in the entry corresponds to write-protected data within the range of addresses. The data storage device also includes a write protection map that includes a second set of entries corresponding to a second set of ranges of the memory addresses. The device is configured to locate, in the write protection data structure, an entry corresponding to a range of memory addresses.