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. 26, 1999
Filed:
Sep. 13, 1996
Applicant:
Inventor:
Minoru Ohara, Tokyo, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
G06F / ; G06F / ;
U.S. Cl.
CPC ...
39518318 ; 39518203 ; 39518206 ; 371 102 ;
Abstract
A memory card comprises a flash memory for storing data, in which defective block data indicating defective one of memory blocks constituting the flash memory is stored in advance, and an attribute memory for storing attribute data of the memory card, wherein the defective block data is stored in a blank area of the attribute memory so as to assure that the defective block data is regenerated in the flash memory in a case where the defective block data on the flash memory is erased.