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:
Sep. 12, 1989
Filed:
Feb. 24, 1987
Applicant:
Inventors:
Masao Aoyagi, Kanagawa, JP;
Ryuji Suzuki, Kanagawa, JP;
Shigeru Kamata, Tokyo, JP;
Keiichi Yasuda, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ;
U.S. Cl.
CPC ...
350429 ; 354400 ; 350255 ;
Abstract
A built-in motorized lens mounting includes a fixed tube, a zoom actuating ring axially movably supported relative to the fixed tube, a focusing lens holder movably supported at least in the axial direction relative to the zoom actuating ring, an electric motor fixedly secured to the zoom actuating ring, and a driving power transmitting system using the rotation of the motor as a drive source to move the lens holder axially relative to the zoom actuating ring.