LENS DRIVE DEVICE AND IMAGING DEVICE
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United States of America Patent
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N/A
Issued Date -
Jan 2, 2014
app pub date -
Jan 31, 2012
filing date -
Jan 31, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention provides a lens drive device including a base, a lens frame holding a lens and provided to be movable with respect to the base in an optical axis direction of the lens, a light bending portion for bending incident light on the lens, a driving unit for moving the lens frame, and a position detection unit for detecting a position of the lens frame. The position detection unit includes a reflection portion provided to one of the base and the lens frame and including a reflection surface inclined with respect to the optical axis of the lens, and a photoreflector provided to the other of the base and the lens frame and including a light projecting portion applying light to the reflection surface and a light receiving portion receiving light reflected on the reflection surface.
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