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, 2009

Filed:

Apr. 04, 2006
Applicants:

Tsutomu Kuroki, Hachioji, JP;

Takeshi Kindaichi, Hachioji, JP;

Inventors:

Tsutomu Kuroki, Hachioji, JP;

Takeshi Kindaichi, Hachioji, JP;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 5/232 (2006.01); H04N 5/225 (2006.01); H04N 9/68 (2006.01); G03B 13/00 (2006.01); G03B 17/00 (2006.01); G03B 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

In an automatic focusing device generating a luminance signal by scanning a picked-up digital image signal, evaluating the contrast of the luminance signal, and driving its focusing based on the evaluation; the scanning includes at least a part where scan is performed in a zigzag-like manner. With this configuration, focusing is facilitated for an object having no high frequency components in the horizontal direction. This invention can be understood as an invention of a method.


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