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:
Aug. 17, 2010
Filed:
Mar. 12, 2007
Koichi Sugiura, Yokohama, JP;
Koichi Sugiura, Yokohama, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A photographing lens driving control apparatus includes a plurality of lens groups constituting a zooming optical system including a lens group (A) on an object side and a lens group (B) on an imaging side, a plurality of tens driving device (A,B,C) configured to drive the plurality of tens groups, respectively, and a control device (B) configured to control the plurality of lens driving devices; the control device (B) adjusts a driving speed of the lens group on the object side according to a position of the lens group on the imaging side relative to a position of the lens group on the object side, when driving the lens group on the object side.