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JPS6082893

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DESCRIPTION JPS6082893
[0001]
Brief description of the drawings
[0002]
FIG. 1 is a cross-sectional view of a conventional speaker, FIG. 2 is a cross-sectional view of the
speaker of the present invention, and FIG. 3 is a cross-sectional view of an essential portion of
another embodiment of the present invention. 1 is pole, 2i magnet, 3 is upper plate, 4 is lower
plate, 5 is through hole, 6 is hole, 7 is cylindrical wall, 8 is printed circuit board, 9 is diaphragm,
10 is cavity, 11 is cavity , 12 is a leak hole, and 13 is a sound absorbing material.
01-05-2019
1
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