Waterproof speaker
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United States of America Patent
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Aug 22, 2017
Grant Date -
Jul 6, 2017
app pub date -
May 19, 2016
filing date -
Dec 31, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A waterproof speaker includes a frame having a flared front opening with a diaphragm mounted thereto; a magnetic element mounted to a rear end of the frame; a voice coil support located in a central gap of the magnetic element and connected to the diaphragm; a suspension; a central post located inside the voice coil support and associated with the magnetic element; a coaxial tweeter connected to the central post; a voice coil located around the voice coil support; and a water-proofing unit located between the voice coil support and the central post without changing the height of the speaker and the stroke of the voice coil. The diaphragm and the water-proofing unit together prevent external moisture from reaching the magnetic element, enabling increased stability of the voice coil and prolonged outdoor service life of the SPEAKER.
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