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:
Aug. 17, 2010
Filed:
Jun. 14, 2007
Shintaro Oshima, Yokohama, JP;
Shintaro Oshima, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
This invention can efficiently remove, within a short period of time, a foreign substance such as dust adhering on an optical element arranged on the front surface of an image sensor. An image capturing apparatus includes an image sensor which photo-electrically converts an object image, an optical element inserted between the image sensor and a photographing optical system which forms the object image, a foreign substance position storage unit which stores the position of a foreign substance adhering on the surface of the optical element, a vibration unit which vibrates the optical element to remove the foreign substance adhering on the surface of the optical element, and a control unit which controls a driving parameter of the vibration unit on the basis of the foreign substance position information stored in the foreign substance position storage unit.