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:
Sep. 09, 2008
Filed:
Nov. 29, 2005
Hidefumi Notagashira, Yokohama, JP;
Hidefumi Notagashira, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
At least one exemplary embodiment is directed to an image pickup apparatus configured to switch between a color and a black & white photographing modes, which includes an image pickup optical system, an image pickup element that receives a light through the image pickup optical system and opto-electronically converts the received light, a first luminance detecting unit that detects a luminance of a photographed object based on a signal from the image pickup element, a second luminance detecting unit that detects the luminance of the photographed object by receiving a light without intervention of the image pickup optical system, and a filter converting mechanism for interposing any one of a infrared cutoff filter and an optical element in an optical path of the image pickup optical system.