LOUDSPEAKER USING SEMICONDUCTOR VOICE COIL AND ELECTRONIC DEVICE USING THE SAME
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United States of America Patent
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Issued Date -
Feb 8, 2024
app pub date -
Sep 15, 2022
filing date -
Aug 3, 2022
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Abstract
A loudspeaker using a semiconductor voice coil includes a vibrating assembly and a magnetic force assembly. The magnetic force assembly and the vibrating assembly are arranged at an interval. The vibrating component includes a diaphragm and the semiconductor voice coil. The semiconductor voice coil is arranged on a side of the diaphragm. The magnetic force assembly and the semiconductor voice coil are arranged on the same side of the diaphragm. A magnetic gap is defined in the magnetic force assembly. The semiconductor voice coil is arranged in the magnetic gap. The magnetic field lines in the magnetic gap are perpendicular to the direction of current in the semiconductor voice coil. An electronic device including the loudspeaker is also disclosed.
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