Portable electroacoustic device
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United States of America Patent
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Apr 5, 2016
Issued Date -
N/A
app pub date -
Apr 15, 2014
filing date -
Apr 15, 2013
priority date (Note) -
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Abstract
Disclosed is a portable electroacoustic device. The device includes a shell having a receiving space; a fixing part received in the receiving part and connected with the shell, and a vibrating unit positioned in the receiving space. The vibrating unit includes a vibrating system and a magnetic circuit system fixed with the fixing part for driving the vibrating system. The magnetic circuit system has a magnetic gap. The vibrating system includes a vibrating plate for driving an external medium to generate resonate, and a voice coil inserted in the magnetic gap for driving the vibrating plate. The shell includes a lower plate having a through hole, the vibrating plate connects with the lower plate and is accommodated in the through hole.
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