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. 27, 2002
Filed:
Oct. 18, 1995
Applicant:
Inventor:
Shinpei Komatsu, Yokohama, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/200 ;
U.S. Cl.
CPC ...
G06F 1/200 ;
Abstract
Search speed in memory management of memory devices provided with a nonvolatile memory medium that is rewritable in each block which serves as the unit of data storage is improved by providing a free block table and a conversion table. The free block table stores data for each free block address number corresponding to a data-writable free block. The conversion table in the free block table converts externally designated address numbers into address data for blocks and sharing memory area. The conversion table is provided with block address data identification components that identify a block address as being empty or not.