Speaker
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United States of America Patent
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Mar 17, 2015
Grant Date -
Jan 10, 2013
app pub date -
Jun 20, 2012
filing date -
Jul 4, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A speaker of the present invention is used for converting audio electrical signals to audible sounds. The multi-magnetic circuit speaker includes a box with a sound hole, at least one magnetic circuit having at least two magnetic gaps, at least two vibrating units corresponding to the magnetic gaps, respectively, at least two pair of pads embedded in the box to electrically connecting with the two vibrating units, a terminal board engaged with the box and pressing on the two pads for conducting electrical signals to the two vibrating units. The terminal board includes a first portion, a second portion extending from the second portion and a third portion extending from the second portion.
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