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:
Feb. 01, 2011
Filed:
Sep. 26, 2005
Applicants:
Tadashi Sasaki, Saitama, JP;
Atsushi Kanayama, Saitama, JP;
Inventors:
Tadashi Sasaki, Saitama, JP;
Atsushi Kanayama, Saitama, JP;
Assignee:
FujiFilm Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/232 (2006.01); G03B 13/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An auto focus system is provided in which a focus movement speed and a cut off frequency of a filter for detecting a contrast from a video signal in AF of a contrast detecting system can be manually set in AF, so that an optimum AF can be achieved under various photographing conditions.