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:
Jun. 25, 2013

Filed:

Sep. 25, 2009
Applicants:

Young-seok Kim, Yongin-si, KR;

Hee-gyu Jin, Suwon-si, KR;

Kyoung-gu Woo, Seoul, KR;

Inventors:

Young-seok Kim, Yongin-si, KR;

Hee-gyu Jin, Suwon-si, KR;

Kyoung-gu Woo, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 17/30 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method and apparatus for data recovery in a multitasking or multithreading environment is provided. The method includes creating a log record by performing bit-by-bit logging with respect to a lowest level bitmap of a multilevel bitmap, recovering the lowest level bitmap using the log record, and correcting a higher level bitmap corresponding to the lowest level bitmap based on the recovered lowest level bitmap.


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