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:
Apr. 17, 2007

Filed:

Oct. 07, 2004
Applicants:

Yong-wan Kim, Yongin-si, KR;

Sang-kil Lee, Gyeonggi-do, KR;

Byung-am Lee, Gyeonggi-do, KR;

Jin-woo Lee, Sungnam-si, KR;

Hyo-sang Cho, Yongin-si, KR;

Inventors:

Yong-Wan Kim, Yongin-si, KR;

Sang-Kil Lee, Gyeonggi-do, KR;

Byung-Am Lee, Gyeonggi-do, KR;

Jin-Woo Lee, Sungnam-si, KR;

Hyo-Sang Cho, Yongin-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 23/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An auto focusing method and apparatus for determining a focusing evaluation value, comparing the focusing evaluation value with an acceptance level of a preset focusing evaluation value, and iteratively focusing, while widening the depth of focus, when the focusing evaluation value is lower than the acceptance level.


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