Lens drive apparatus including damper compound suppressing undesired resonance
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United States of America Patent
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Oct 3, 2017
Grant Date -
Dec 10, 2015
app pub date -
Aug 21, 2015
filing date -
Aug 24, 2011
priority date (Note) -
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Abstract
A lens drive apparatus includes an image stabilizer portion moves an auto-focusing lens driving portion in first and second directions orthogonal to an optical axis and perpendicular to each other, and the image stabilizer portion includes a fixed member disposed apart from the auto-focusing lens driving portion in a direction of the optical axis, a plurality of suspension wires each comprising an end fixed to the fixed member at an outer region thereof, a narrowing portion that is disposed between the fixed member and the auto-focusing lens driving portion and that narrows part of a gap between the fixed member and the auto-focusing lens driving portion, and a damper compound that is disposed at the narrowed part of the gap between the fixed member and the auto-focusing lens driving portion and that suppress undesired resonance in the direction of the optical axis of the auto-focusing lens driving portion.
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