Lens barrel and imaging apparatus
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United States of America Patent
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Dec 5, 2017
Issued Date -
N/A
app pub date -
Aug 11, 2015
filing date -
Aug 21, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A lens barrel includes a lens drive ring actuated to drive a lens group along an optical axis, a driving direction detector detecting a driving direction of the lens drive ring, an actuator actuating the lens drive ring, a power transmission mechanism transmitting a driving force of the actuator to the lens drive ring, a manual operation member to manually move the lens drive ring, and a lens-driving controller controlling the actuator to drive the lens drive ring to move the movable lens group. When the lens drive ring is driven, the lens-driving controller controls a driving output of the actuator according to whether or not a first driving direction of the lens drive ring detected immediately before the lens drive ring is driven and a currently-detected second driving direction of the lens drive ring are mutually identical.
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