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BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional view showing a general
speaker, FIG. 2 is a cross-sectional view of a conventional free edge type diaphragm, FIG. 3 is an
enlarged cross-sectional view of the same part, FIG. FIG. 5 is a cross-sectional view of a
diaphragm showing one embodiment of a speaker according to the present invention, and FIG. 6
is an enlarged cross-sectional view of the main part of FIG. ョ, 9 ······ Voice coil, 16 · · · · Conical
cone, 17 ··· Rising part, 18 · · · Free edge. 1 //-77- Actual opening 50-33032 (2) FIG. 2 FIG. 3 FIG.
6 FIG. 4 / one base frequency (Hz) FIG.
[Detailed description of the invention] This study aims to eliminate the edge resonance by
providing a free edge type speaker for the speaker, a friller ν system coupled to the nh リ ichi
no io 崗 立 立 部 部 部 部 部Is also O. 5-mosquito in the speaker, as diaphragm OII # state, there
is 7v-technological 7 map, fix doig ° $. ° Among these, free-edge type ones are made of an
arbitrary material, so they can be freely hooked to the good □ side as a speaker, so they are
often used. "2"-"1" 1 · · mepi using this free age type wood board. -As a mosquito, -1 point KIE #
as shown in the figure # rage n. 7) Grip 7 at the edge of the frame 6 at the field part @ which is
composed of the upper part 4 of a ring-shaped fugnet C 1 and jtr 1 and a ring-shaped fugnet C 1
and jtr 1 At the same time, a free-edge multi-action book 8 is attached in order, and a coil bobbin
1ot PM is wound on a voice coil 9 in the upper part of the base plate 8) TL1 11 i 1 i R 1 in this
coil bobbin 1 ° C. In addition, a dust cap 1 is attached to the upper part of the diaphragm 80,
and the diaphragm 4 is a 4 ° tube. The diaphragm S is conventionally made as the diaphragm S.
In the case of Koji 1110, it is a cloth with a cloth; * impregnated with oil, and it has a 9 edge 14
or a contact jlljl 11-sanded with sand # #n. According to the ζO configuration, the Hs moving
plate $ a has a conical cone 1s outer- * 0 * mechanical strength R-generally llI / 1 and the
diaphragm does not move well Kll, and -z 31 共 · · · · 共 appeared, as shown by the solid line in
the IIEA diagram 1 is one wave teaching characteristics and ea, which is not desirable as sound
quality. The present invention is intended to clarify the above-mentioned conventional defects
and is therefore s +. Hereinafter, the present invention will be described with reference to the
drawings of an embodiment. Fig. S, Fig. 6 Il! As shown in FIG. 11, a cone formed by paper K or
threat resin such as K; a rising edge 11171 parallel to the central axis of the conical cone 16 is
provided at one edge 11 of the cone 16 and impregnated with cloth KG resin etc. In addition, the
free edge 18 and the conical cone 716 are bonded with an adhesive 19 to form a diaphragm. As
described above, by providing the rising portion 17 in the rock formation portion of the conical
cone 16 and strengthening it by b, 11 m 11% property is extremely stabilized as shown by 砿 in
FIG. . That is, the mechanical strength of the cone cone 160 is large or not, the whole operation
as a diaphragm is carried out, and all the edges Jll hardly occur, and the stable R #!
Number characteristics, 1? Four, if it is obtained. Kなる。 As described above, in the speaker of
the present invention, conical cones and free edges are less likely to be entangled, and circular
cones become stronger without having to increase the weight, and operate the edges well to
improve the characteristics. But it is a big part of the real armor.
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