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. 26, 1995
Filed:
Mar. 14, 1994
Applicant:
Inventor:
Naoki Kitaoka, Sakura, JP;
Assignee:
Nikon Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
354402 ;
Abstract
The invention provides an automatic focus system which can pursue a subject beyond established limits when the subject is moving. This invention is an automatic focus system equipped with a drive mechanism which automatically drives the focus adjustment lens and which contains a control mechanism which controls the drive range of the drive mechanism, a movement determination mechanism which determines whether the subject is moving, and a control release mechanism which releases the control of the control mechanism when it is determined by the movement determination mechanism that the subject is moving.