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:
Dec. 31, 2002
Filed:
Mar. 22, 2002
Applicant:
Inventor:
Kazuhiko Onda, Saitama, JP;
Assignee:
Fuji Photo Optical Co., Ltd., Saitama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/514 ; G02B 7/02 ;
U.S. Cl.
CPC ...
G02B 1/514 ; G02B 7/02 ;
Abstract
The lens driving apparatus in accordance with the present invention comprises a focus motor having a lead screw; a lens holding frame meshing with the lead screw so as to be movable along an optical axis as the lead screw rotates; a nut plate meshing with the lead screw so as to be movable along the optical axis as the lead screw rotates; and urging means for urging the lens holding frame and nut plate in a direction by which they approach each other or separate from each other.