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:
May. 26, 1998
Filed:
Dec. 30, 1996
Yasunori Imaoka, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
This specification discloses a lens position control device in which the focusing lens of a zoom lens is moved on the basis of the output signal of image pickup means provided on the image plane of the zoom lens to thereby effect focus adjustment and which achieves flange back adjustment in such a manner as to change the reference position of a wobbling lens wobbling back and forth in the direction of an optical axis having a predetermined position as the reference in order to detect the focus state, and the automatization of the flange back adjustment.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile