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:
Jun. 04, 2002
Filed:
Dec. 10, 1999
Kazutoshi Usui, Kawasaki, JP;
Nikon Corporation, Tokyo, JP;
Abstract
Blur correction apparatus for correcting blurring of an image photographed using a photographic optical system comprises a blur correction optical system acting to correct image blurring during photographing, a blur correction drive section for electromagnetically driving the blur correction optical system, and a lock member for locking the blur correction optical system. The blur correction drive section has a permanent magnet, one surface of which is used in the blur correction drive section, and another surface of which is used in a lock member drive section. The blur correction drive section is fixed to the permanent magnet and includes a yoke having projections formed at prescribed intervals along the permanent magnet and four coils opposing to both the permanent magnet and the projections with a prescribed gap and connecting to the blur correction optical system.