Shake correction apparatus
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United States of America Patent
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Jun 12, 2018
Issued Date -
N/A
app pub date -
Jul 21, 2017
filing date -
Mar 13, 2015
priority date (Note) -
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Abstract
A shake correction apparatus includes: a stationary portion (21) having coils (22S, 22L, 23S, 23L, 24S, 24L) arranged; a movable portion including magnets (52a, 52b, 52c, 52d, 53a, 53b, 53c, 53d, 54a, 54b, 54c, 54d) opposed to the coils and an imaging element; a supporting member for movably supporting the movable portion to the stationary portion along a plane orthogonal to an optical axis of light entering into the imaging element; means for detecting a position of the movable portion; and means for controlling current flowed into the coils based on output of the detection means, the coils including at least three coil pairs when two coils opposed to each other along the plane orthogonal to the optical axis are paired, driving forces of two coils forming each coil pair being different.
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