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:
Dec. 14, 2010
Filed:
Jan. 30, 2007
Osamu Harada, Kawasaki, JP;
Osamu Harada, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A detection error of foreign substance due to the presence of a newly generated defective pixel can be considerably prevented. An image pickup apparatus includes a foreign substance detector detecting foreign substance adhering to an optical member arranged on a light axis for image capturing in accordance with an image signal obtained by the image pickup device, a defective pixel position detector detecting a position of a defective pixel in the image pickup device in accordance with an image signal obtained by the image pickup device, a storage unit storing position information detected by the defective pixel position detector, and a controller controlling processing so that the foreign substance detector detects the foreign substance after the defective pixel position detector detects the position of the defective pixel.