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Brief description of the drawings
FIG. 1 is a cross-sectional view of a dome-shaped speaker, FIG. 2 atb, c is a front view of a dome
diaphragm of the dome-shaped speaker of the present invention, a right side half sectional view,
and a left side half sectional view; FIG. 21 is a central portion of the diaphragm, 22 is a
peripheral portion, 23 is a notch, 24 is a voice coil, and 25 is an outer peripheral portion.
Correction 59.8.7 Utility model registration request, the brief description of the drawing is
corrected as follows. (3) A small number of (at least one notch 23 is provided on the outer
peripheral portion of the diaphragm central portion 21 made of a hard material such as metal or
plastic reinforced with metal or fiber or flake of high rigidity substance The notch 23 is closed by
a peripheral member 22 made of soft material such as cloth, paper, soft plastic, etc., and the
outer peripheral portion 25 excluding the notch 23 of the m plate central portion 21 has a voice
motion system. Fig. 1 is a cross-sectional view of a conventional general dome-shaped speaker,
and Figs. 2a, 2b, and 2c are front views of dome diaphragms of the dome-shaped speaker
according to the present invention. FIG. 3 is a frequency characteristic diagram, FIG. 21 is a
diaphragm center, 22 is a peripheral member, 23 is a notch, 24 is a voice coil, and 25 is an outer
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