MICRO-SPEAKER
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United States of America Patent
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-
N/A
Issued Date -
Jul 5, 2012
app pub date -
Jul 26, 2011
filing date -
Jan 5, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A micro-speaker includes a yoke, a magnet assembly attached to the yoke, a voice coil, and a diaphragm connected with the voice coil. The yoke defines a bottom wall, and a number of sidewalls extending upwardly from the bottom wall. The magnet assembly includes a main magnet positioned on the bottom wall, and a number of secondary magnets positioned on tops of the sidewalls.
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