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:
Sep. 22, 2009
Filed:
Jul. 25, 2003
Ji-hyun IN, Seoul, KR;
Dong-hee Lee, Seoul, KR;
Bum-soo Kim, Gyeonggi-do, KR;
Sung-kwan Kim, Seoul, KR;
Song-ho Yoon, Gyeonggi-do, KR;
Ji-hyun In, Seoul, KR;
Dong-hee Lee, Seoul, KR;
Bum-soo Kim, Gyeonggi-do, KR;
Sung-kwan Kim, Seoul, KR;
Song-ho Yoon, Gyeonggi-do, KR;
Samsung Electronics., Ltd., Suwon-si, KR;
Zeen Information Technologies, Inc., Seoul, KR;
Abstract
A method for flash memory management where, if changing of data of a data block recorded in a data area is requested, recording the data block having changed data in an alternative area and recording mapping information representing an address of the data block recorded in the alternative area in a mapping area. If changing of data of the data block recorded in the alternative area is requested, recording a data block having changed data in the data area and deleting the mapping information representing the address recorded in the alternative area from the mapping area. If the mapping information on the data block exists in the mapping area, data is read from the data block in the alternative area, and if the mapping information on the data block does not exist in the mapping area, data is read from the data block at the original address in the data area.