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:
May. 04, 2010
Filed:
May. 23, 2007
Applicant:
Hirohito Ito, Utsunomiya, JP;
Inventor:
Hirohito Ito, Utsunomiya, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 26/08 (2006.01); G02B 26/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
At least one exemplary embodiment is directed to an optical element driving apparatus which includes a first actuator configured to drive an optical element in accordance with a deformation target value, a sensor arranged to measure a position and an orientation of the optical element, a second actuator configured to drive the optical element in accordance with position and orientation target values and an output of the sensor, and a correcting unit configured to correct a measurement error of the sensor caused by deformation of the optical element.