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DESCRIPTION JPS5981189
[0001]
Brief description of the drawings
[0002]
1 is a cross-sectional view of the diaphragm of the conventional speaker, FIG. 2 is a sound
pressure frequency characteristic diagram of the same speaker, FIG. 3 is a cross-sectional view of
the diaphragm of the speaker in one embodiment of the present invention, and FIG. FIG. 5 is a
top view of the diaphragm, and FIG. 5 is a sound pressure frequency characteristic diagram of
the speaker in one embodiment of the present invention. 1 ··· Elliptical diaphragm, 2 · · · · · · · · · · · ·
· · · · · · · · · · · · · · · · · · voice coil, 5 · · · aluminum honeycomb Material, 6. 6 '...... aluminum foil, 7 ......
elliptical diaphragm, 8 ...... Fushien.
11-05-2019
1