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:
May. 25, 1999
Filed:
Mar. 31, 1997
Petro Estakhri, Pleasanton, CA (US);
Berhau Iman, Sunnyvale, CA (US);
Ali R Ganjuei, San Ramon, CA (US);
Lexar Media, Inc., Fremont, CA (US);
Abstract
A device is disclosed for storing mapping information for mapping a logical block address identifying a block being accessed by a host to a physical block address, identifying a free area of nonvolatile memory, the block being selectively erasable and having one or more sectors that may be individually moved. The mapping information including a virtual physical block address for identifying an 'original' location, within the nonvolatile memory, wherein a block is stored and a moved virtual physical block address for identifying a 'moved' location, within the nonvolatile memory, wherein one or more sectors of the stored block are moved. The mapping information further including status information for use of the 'original' physical block address and the 'moved' physical block address and for providing information regarding 'moved' sectors within the block being accessed.