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:
Jan. 30, 2001
Filed:
Aug. 16, 1999
Applicant:
Inventor:
Hideo Onishi, Sakai, JP;
Assignee:
Minolta Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 1/700 ; G03B 1/514 ;
U.S. Cl.
CPC ...
G03B 1/700 ; G03B 1/514 ;
Abstract
A different amount of movement is provided for the first lens unit L,relative to the rotation angle of the drive ring,in at least one zoom lens section,provided on a first cam,and a focus section,corresponding to the zoom section. A different amount of movement is provided for the second lens element L,relative to the rotation angle of the drive ring,in at least one zoom section,provided on a second cam,and a focus section,corresponding to the zoom section. The average inclination angle &thgr;,of the retracting section,is increased to be greater than the average inclination angle &thgr;,of the total section B,excluding the retracting section,of the first cam