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:
Apr. 14, 2009
Filed:
Sep. 20, 2005
Jin-kyu Kim, Seoul, KR;
Song-ho Yoon, Bucheon-si, KR;
Kwang-yoon Lee, Seongnam-si, KR;
Ji-hyun IN, Seongnam-si, KR;
Jin-kyu Kim, Seoul, KR;
Song-ho Yoon, Bucheon-si, KR;
Kwang-yoon Lee, Seongnam-si, KR;
Ji-hyun In, Seongnam-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
A data processing apparatus and method are provided for a flash memory, wherein the data processing apparatus and method can easily determine whether data stored in the flash memory is valid. The data processing apparatus for a flash memory includes a user request unit which issues a request for performing a data operation on a predetermined logical address, a conversion unit which converts the predetermined logical address into a physical address, and a control unit which performs the data operation on the physical address and records inverted data of data written to the predetermined logical address in an index area to indicate whether the data written to the predetermined logical address is valid.