Printed circuit board used as voice coil, method for manufacturing the same and loudspeaker with the same
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United States of America Patent
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Nov 20, 2018
Grant Date -
Oct 11, 2018
app pub date -
Aug 1, 2017
filing date -
Apr 5, 2017
priority date (Note) -
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Abstract
A printed circuit board used as a voice coil includes N board units stacked over one another, each board unit having a first electrically connecting region and a second electrically connecting region, all of the first electrically connecting regions being stacked over one another, all of the second electrically connecting regions being stacked over one another, each board unit having a first circuit structure, a base, and a second circuit structure arranged from top to bottom, in each two adjacent board units, the first electrically connecting region of the second circuit structure of an upper board unit being electrically connected in series with the first electrically connecting region of the first circuit structure of a lower board unit, in each board unit, the first circuit structure being electrically connected in series with the second circuit structure in the second electrically connecting region.
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