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:
Jul. 12, 2011
Filed:
Aug. 14, 2009
Applicant:
Tadashi Sasaki, Saitama, JP;
Inventor:
Tadashi Sasaki, Saitama, JP;
Assignee:
Fujinon Corporation, Saitama-Shi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 13/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is an auto focus device that automatically and easily sets an AF frame to a focus range desired by a cameraman in an AF system. An auto focus device includes: a focusing unit that performs focusing on an imaging screen of a camera; a best focus range detecting unit that detects a best focus range from the imaging screen showing the focus result of the focusing unit; and an AF frame automatic setting unit that automatically sets the position of an AF frame indicating the range of an AF area, which is a target range focused by auto focus in the imaging screen, in the detected best focus range.