VOICE COIL
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United States of America Patent
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N/A
Issued Date -
Oct 1, 2015
app pub date -
Mar 26, 2014
filing date -
Mar 26, 2014
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A voice coil adapted for an electricity-powered loudspeaker includes a plurality of coils formed by winding an enameled wire. The coils are stacked up and down to show a hollow multilayer structure with an accommodating space being formed therein. Each coil has two parallel and spaced straight-line segments, and two symmetrical arc segments oppositely connected between the two straight-line segments. A middle of the arc segment is arched outward. The center of each arc segment is located at another arc segment and the radius of each arc segment is greater than a spacing distance between the two straight-line segments to realize a biaxial voice coil.
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