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.

Date of Patent:
Sep. 01, 2015

Filed:

Sep. 24, 2011
Applicants:

Po-chun Huang, New Taipei, TW;

Yuan-hao Chang, Tainan, TW;

Jen-wie Hsieh, Taipei, TW;

Yung-feng LU, New Taipei, TW;

Chia-lin Chang, Taipei, TW;

Inventors:

Po-chun Huang, New Taipei, TW;

Yuan-hao Chang, Tainan, TW;

Jen-wie Hsieh, Taipei, TW;

Yung-feng Lu, New Taipei, TW;

Chia-lin Chang, Taipei, TW;

Assignee:

GENESYS LOGIC, INC., Shindian, Taipei, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/02 (2006.01);
U.S. Cl.
CPC ...
G06F 12/0246 (2013.01); G06F 2212/7205 (2013.01); G06F 2212/7209 (2013.01);
Abstract

A flash memory system and managing and collecting methods for flash memory with invalid page messages thereof are described. When the valid data pages of the flash memory are changed to invalid data pages, a recording area is used to record the message of the invalid data pages to effectively collect the occupied space of the invalid data pages in the flash memory. Further, while garbage collecting step is performed, a block is rapidly selected according to the message of the recording area and the valid data pages in the selected block are correctly identified, copied and removed.


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