Micro speaker with capacitors formed by conductive segmented cover and diaphragm
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United States of America Patent
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Nov 14, 2017
Issued Date -
N/A
app pub date -
Jan 29, 2016
filing date -
Jul 9, 2015
priority date (Note) -
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Abstract
A micro speaker is disclosed. The micro speaker includes a diaphragm and a voice coil for driving the diaphragm, the diaphragm including a conductive dome and a suspension surrounding the conductive dome; a conductive front cover located adjacent to and keeping a distance from the conductive dome, the conductive front cover including a plurality of units being isolated from each other; and a plurality of capacitors formed by the units of conductive front cover and the conductive dome for outputting electrical signals according to vibrations of the diaphragm and for detecting real-time replacement of the diaphragm.
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