LENS DRIVING DEVICE, AND CAMERA MODULE AND OPTICAL DEVICE COMPRISING SAME
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United States of America Patent
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Issued Date -
Sep 12, 2024
app pub date -
May 16, 2024
filing date -
Mar 8, 2016
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Abstract
An embodiment comprises: a housing comprising a plurality of protrusions arranged on the upper surface thereof; a magnet arranged on a side portion of the housing; a bobbin having a first coil arranged on the outer peripheral surface thereof, the bobbin being configured to move by means of an interaction between the magnet and the first coil; an upper elastic member coupled to the bobbin and to the housing; and a sensing coil arranged on the side portion of the housing between the protrusions and the magnet, the sensing coil being configured to generate an induction voltage by means of an interaction with the first coil, wherein at least a part of the upper elastic member is arranged on the upper surface of the housing between the protrusions.
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