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JPS5587790

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DESCRIPTION JPS5587790
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a partial structural view of a conventional
diaphragm, and FIG. 2 is a partial structural view of the diaphragm of the present invention. 1 is
a base material, 2 暎 ceramic hollow body, 3 is a synthetic resin, 4 is an aggregate.
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to the structure of a
speaker diaphragm. 叡 Traditionally, one letter in a frusto-conical speaker diaphragm! Generally,
a fibrous diaphragm made of paper pulp is used as a material having a large TiE part loss and a
high yaw rate, but the internal loss required as a diaphragm for Ota cask beaker is made large
and the rigidity is increased for dogs. When it is going to be done, as shown in FIG. 1, a mixture
of clay, mica and the like aggregate 4 and vinyl acetate resin and the like synthetic resin 8 is
molded into one side or both sides of the fibrous diaphragm 1 such as paper pulp 7 There is a
speaker diaphragm applied to the η9A2 surface for spraying. In this case, there is a
disadvantage that the weight of the diaphragm increases and the efficiency of the stroller
decreases. The present invention was devised to eliminate the above-mentioned drawbacks,
which will be described with reference to FIG. 2 and the embodiment IFI, as shown in FIG. 2,
natural pulp, synthetic fiber A 1/1 or these blends. Vine 字 η 1 1 ビ ニ ー ル vinyl resin 1 effect,
synthetic resin 3 such as acrylic resin and mica ∼, mixture of clay, asbestos such as aggregate 4
is sprayed on h surface of fibrous base material 1 of sand fiber etc.) The layer is formed by
applying the ceramic hollow body 2 on the upper surface by spraying, forming a layer on the
upper surface, spraying the mixture of the synthetic resin 3 and the aggregate 4 again, and
applying 20 layers of the ceramic hollow body to the synthetic resin It is a structure of a
diaphragm for a speaker, which is a single diaphragm formed by molding a sandwich-shaped
molded layer with a layer of a mixture of 3 and aggregate 4. Moreover, the mixture of the
synthetic resin 3 and the aggregate 4 is filled in the gaps of the ceramic hollow body 20 layers.
Since the present invention is structured as described above, a mixture layer of synthetic tree 1
and aggregate 4 in which the high Young's modulus of the fiber imaging moving plate 1 and the
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layer of the ceramic 3 hollow body 2 are woven. The dog's thickness is high, rigidity is low and
specific gravity is low, so weight gain is small, and moderate vibration loss and strength absorb
harmful vibrations in the high-frequency range, and good frequency characteristics in a wide
frequency band A speaker diaphragm is obtained. The diaphragm of the present invention is
obtained by adding a color pigment to the mixture of the synthetic resin 3 and the aggregate 4 in
the uppermost layer to obtain a beautiful diaphragm colored in the colors of the gods.
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