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:
Aug. 05, 1996
Yoshio Imura, Kawasaki, JP;
Nikon Corporation, Tokyo, JP;
Abstract
An optical motion compensation device that quickly releases the locking of a motion compensation optical system when it is desired to effect motion compensation, and that reliably locks the motion compensation optical system when not effecting motion compensation. The device includes a motion compensation optical system to move so as to compensate for motion. Also, the device includes an optical system support device to movably support the motion compensation optical system. An optical system drive device drives the motion compensation optical system in a direction to compensate for motion caused by external factors, such as hand shaking. An optical system movement device, distinct from the optical system drive device, causes the motion compensation optical system to move to a predetermined location. An optical system holding device maintains the motion compensation optical system, which has moved to the predetermined location, in that location, and a clamp control system, directly before commencing driving of the motion compensation optical system by the optical system drive device, cancels holding of the optical system holding device, and after the driving has stopped, moves the motion compensation optical system to a predetermined position by the optical system movement device, to maintain the motion compensation optical system in this location by the optical system holding device.