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:
Feb. 22, 2000
Filed:
Dec. 18, 1997
Applicant:
Inventor:
Hiroshi Miyanari, Hachiohji, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; G05B / ;
U.S. Cl.
CPC ...
396 90 ; 396133 ; 318603 ; 318685 ;
Abstract
A camera, an optical apparatus or an optical unit controller having a device for driving an optical unit, a device for determining a state of movement of the optical unit, and a control unit for changing the direction of movement of the optical unit according to whether the amount of driving necessary for the driving device to move the optical unit to a position at which the determination device determines the state of movement of the optical unit is equal to or smaller than a predetermined amount.