Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takamitsu Sasaki0
Hideyuki Yamamoto0
Noboru Saito0
Date of Patent
October 10, 2006
0Patent Application Number
111210130
Date Filed
May 4, 2005
0Patent Primary Examiner
Patent abstract
An AF control apparatus includes a plurality of movable lens groups, each of which is movable along an optical axis for performing focusing independently, and a driving system for moving each of the movable lens groups. A moving path of each of the movable lens groups during an autofocusing operation is defined so that a ratio of moving distances of the each of the movable lens groups is constant over an entire zoom range.
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