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:
Feb. 06, 1990
Filed:
May. 31, 1988
Applicant:
Inventor:
Daisuke Hata, Funabashi, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ; G03B / ; G03B / ;
U.S. Cl.
CPC ...
354400 ; 354187 ; 35419512 ; 350430 ;
Abstract
A zooming optical system control device for controlling the setting of a zooming optical system to one of a plurality of regions such as a zooming region wherein the optical system ensures zooming photographing, a macro region wherein the optical system ensures macro photographing and a containment region wherein the optical system is contained into a predetermined position, the optical system having a zooming lens group, a macro lens group and a focusing lens group each disposed on one identical optical axis.