Barrel unit, image pickup apparatus installed with the same, and method for correcting shake of barrel
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United States of America Patent
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Apr 14, 2009
Grant Date -
Dec 21, 2006
app pub date -
Feb 21, 2006
filing date -
Jun 15, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A barrel unit includes a barrel having an image sensing device and a photographing optical system built therein, a supporting member for pivotally supporting the barrel, a steel ball functioning as a pivot bearing portion provided between the barrel and the supporting member, and first and second actuators for giving driving forces to the barrel for shake correction. A gravity point of the barrel is located within an area enclosed by supporting points by first and second acting portions, to which the driving forces from the first and second actuators are given, and the steel ball. The barrel unit can be made more compact and more stably and precisely driven for shake correction.
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