Position detection apparatus
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United States of America Patent
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Oct 11, 2016
Grant Date -
Aug 13, 2015
app pub date -
Mar 30, 2015
filing date -
Mar 30, 2015
priority date (Note) -
Withdrawn
status (Latency Note)
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Abstract
A position detection apparatus includes an autofocus mechanism and an optical image stabilization mechanism by using a closed loop control, in which a magnet is commonly used as an autofocus magnet and an optical image stabilization magnet to achieve downsizing. The position detection apparatus includes the autofocus mechanism that moves a lens along an optical axis (Z axis) of the lens, and the optical image stabilization mechanism that moves the lens in a direction orthogonal to the optical axis. A permanent magnet is secured to the lens, and moves according to the movement of the lens. The amount of movement thereof is detected by position sensors. The permanent magnet for autofocus used in the autofocus mechanism and the permanent magnet for optical image stabilization used in the optical image stabilization mechanism is provided in the vicinity of the lens for common use.
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