Micro-speaker
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United States of America Patent
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Sep 29, 2015
Grant Date -
Jul 16, 2015
app pub date -
Oct 30, 2014
filing date -
Jan 13, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A micro-speaker is disclosed. The micro-speaker includes a frame, a magnetic circuit received in the frame, a voice coil partially received in the magnetic circuit, a diaphragm connected to the voice coil, and a contact fixed by the frame for electrically connecting the voice coil to an external circuit. The contact includes a base plate, a first and second connecting plates respectively connected to both ends of the base plate and formed an engaging space by connecting them in order. Corresponding to the contact, the frame includes a sidewall and a protrusion formed on the sidewall. The engaging space receives and engages with the sidewall and the second plating plate engages with the protrusion for mounting the contact on the frame firmly without soldering.
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