Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ichiro Onuki0
Jun Ota0
Kenichi Kobayashi0
Kenji Yoshida0
Date of Patent
August 11, 2009
0Patent Application Number
119253730
Date Filed
October 26, 2007
0Patent Primary Examiner
Patent abstract
A holding apparatus for holding an optical element includes a measuring part configured to measure a coordinate of the optical element, and a driving part configured to move the optical element based on the coordinate measured by the measuring part, wherein the measuring part includes a first sensor configured to detect a displacement amount of a part of the optical element, and a second sensor configured to detect that a part of the optical element is located at a predetermined position.
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