Mechanism for controlling position of optical element
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United States of America Patent
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Jun 21, 2011
Grant Date -
N/A
app pub date -
Apr 23, 2012
filing date -
Nov 9, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An optical element position control mechanism includes an optical element holding member which holds an optical element of a photographing system and is guided in an optical axis direction; a drive mechanism for moving the optical element holding member in the optical axis direction; and a biasing device including an arm which is swingable about a swing axis, the swing axis being substantially orthogonal to the optical axis, and the arm extending substantially orthogonal to the swing axis and having a free end portion which engages with the optical element holding member to bias the optical element holding member in the optical axis direction.
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