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JPS59159098

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DESCRIPTION JPS59159098
[0001]
Brief description of the drawings
[0002]
1 and 2 are front sectional views of the conventional electromagnetic acoustic transducer, FIG. 3
is a front sectional view of the electromagnetic acoustic transducer according to the present
invention, and FIG. 4 is a front view of another embodiment. FIG. 5 is a bottom view of the case,
FIG. 6 is a bottom view of the other embodiment, and FIG. 7 is a front sectional view of still
another embodiment of the electromagnetic acoustic transducer according to the present
invention. . DESCRIPTION OF SYMBOLS 1 ... electromagnet, 101 ... iron core, 102 ... coil, 2 ...
permanent magnet, 3 ... diaphragm, 4 ... case, 44 ... protrusion. 11-(] 2nd IO pain 1032 Fig. 1-1
42 7-
03-05-2019
1
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