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:
Jan. 02, 2007
Filed:
Sep. 26, 2002
Toshimi Watanabe, Yokohama, JP;
Toshiaki Maeda, Yokohama, JP;
Hideo Hibino, Yamato, JP;
Tadashi Ohta, Yokohama, JP;
Toshimi Watanabe, Yokohama, JP;
Toshiaki Maeda, Yokohama, JP;
Hideo Hibino, Yamato, JP;
Tadashi Ohta, Yokohama, JP;
Nikon Corporation, Tokyo, JP;
Abstract
A camera includes: an image-capturing element that captures a subject image through a photographic lens having a focusing lens; an evaluation value calculation unit that calculates focus evaluation values at a plurality of lens positions assumed by the focusing lens based upon an image-capturing signal output by the image-capturing element; a weighting unit that weights the focus evaluation values calculated by the evaluation value calculation unit in correspondence to the lens positions of the focusing lens assumed when the focus evaluation values are calculated respectively; and a focusing operation unit that performs a focusing operation for the photographic lens based upon the weighted focus evaluation values.