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JPS5988993

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DESCRIPTION JPS5988993
[0001]
Brief description of the drawings
[0002]
1 and 2 are cross-sectional views of a conventional representative waterproof electro-acoustic
transducer, and FIG. 3 is a cross-sectional view of a waterproof electro-acoustic transducer
according to the present invention. 11: Protective case, lla: Radiation hole, 12: Diaphragm, 13:
Edge, 14: Waterproof film, 14a: Central part, 14b: Peripheral part, 14C · · · Mounting frame, 15 ...
Mounting frame, 20 ... Driver unit, 21 ... Flange, 21a ... Flange, 21b ... Resting part, 21C ...
Recessed part, 22 ... Magnet, 23 ... top plate, 24 ... diaphragm support, 25 ... communicating hole,
26.27 ... ita material, 28 ... backing.
04-05-2019
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