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:
Oct. 02, 2007
Filed:
May. 04, 2005
Applicants:
Noboru Saito, Saitama, JP;
Takamitsu Sasaki, Saitama, JP;
Hideyuki Yamamoto, Tokyo, JP;
Inventors:
Assignee:
PENTAX Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 15/14 (2006.01); G03B 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An AF control apparatus for a zoom lens system includes a movable lens group serving as a zooming lens group and a focusing lens group in the zoom lens system; a focusing table which stores focusing data for the movable lens group; a zooming table which stores zooming data for the movable lens group, the zooming table having different data from the focusing table; and a driving device for moving the movable lens group in an optical axis direction of the zoom lens system according to data stored in the focusing table and the zooming table.