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. 03, 2012
Filed:
May. 30, 2008
Kazunari Kitani, Yokohama, JP;
Kazunari Kitani, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
When pixel data of a solid-state image-pickup device is read in various types of methods to pick up images, a correction process for defective pixels is easily performed at a low cost. As defect-correction data in a case in which a still image is shot, data is used, which is acquired when an image-pickup device is shipped from a manufacturing factory. In a case of an operation in a reading mode for a moving image, immediately before a reading operation is performed, charge is accumulated in a state in which the image-pickup device is shielded from light, and image data is read. Addresses of defective pixels to be corrected are detected from the image data, and stored in a RAM as the defect-correction data. When a moving image is shot, a defect-correction process is performed using the data.