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. 04, 2007
Filed:
Aug. 12, 2005
Nobuyuki Nagai, Tokyo, JP;
Hiroshi Nomura, Saitama, JP;
Kazunori Ishizuka, Kanagawa, JP;
Toshiharu Suzuki, Saitama, JP;
Nobuyuki Nagai, Tokyo, JP;
Hiroshi Nomura, Saitama, JP;
Kazunori Ishizuka, Kanagawa, JP;
Toshiharu Suzuki, Saitama, JP;
PENTAX Corporation, Tokyo, JP;
Abstract
A movable lens control device for controlling movements of movable lens groups including a first movable lens group and a second movable lens group, the movable lens control device including a lens driving device for moving the first and second movable lens groups in the optical axis direction; a position detector for detecting a position of the second movable lens group and determining whether the second movable lens group is in a predetermined normal moving range thereof; and a controller which controls operations of the lens driving device to stop the first movable lens group and to move the second movable lens group to a position within the normal moving range upon the position detector determining that the second movable lens group is positioned outside of the normal moving range during a movement of the first movable lens group from a predetermined initial position thereof.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile