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. 04, 2012
Filed:
Mar. 11, 2010
Applicant:
Goro Noto, Tokyo, JP;
Inventor:
Goro Noto, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 13/16 (2006.01); H04N 5/225 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is an optical device having image capturing means that converts an optical image of an object to an electric signal, and an optical element arranged before the image capturing means. In the optical device, an insulation member is arranged at a position facing the optical element in a way to be movable in a substantially entire area of a light entering surface of the optical element, and an electric control unit is provided for at least electrostatically charging or neutralizing the insulation member.