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JPS5917692

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DESCRIPTION JPS5917692
[0001]
Brief description of the drawings
[0002]
FIG. 1 is a cross-sectional view of a conventional internal magnet type electrodynamic speaker,
and FIG. 2 is a cross-sectional view of a conventional external magnet type electrodynamic
speaker. FIG. 3a is a cross-sectional view of an electrodynamic speaker according to the present
invention, and FIG. 3 is a bottom view of FIG. 3a. 1 ... voice coil, 2 ... diaphragm, 3 ... frame, 4 ...
speaker frame, 11.14 ... center pole, 12.15 ... ring-shaped magnet, 13.16 · · · Upper plate, 10.17 · ·
· lead substrate, 8 · · · lead · 18 · · · dustproof sheet Partial projection, 22 ... clearance.
01-05-2019
1
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