Micro-speaker
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United States of America Patent
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Feb 9, 2016
Grant Date -
Jan 21, 2016
app pub date -
Oct 28, 2014
filing date -
Jul 18, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A micro-speaker is disclosed. The micro-speaker includes a frame, a magnetic circuit unit in the frame, a diaphragm, and a voice coil connected to the diaphragm. The frame includes a plurality of blocks for positioning the magnetic circuit unit. The voice coil includes a pair of lead wires. The block has an upper surface, a side surface and a bottom surface treated by laser direct structuring process for electrically connecting to the lead wires of the voice coil.
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