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JPS5551512

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DESCRIPTION JPS5551512
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a sectional view of a conventional cone-shaped
speaker to which a heavy load is added, and FIG. 3 is a sectional view of a cone-shaped speaker
according to an embodiment of the present invention. It is. In FIG. i, 1 is a cone paper, 2 is a dust
character loop, 3 is a voice coil, and 4 is a heavy object (rigid or elastic). In the drawings, the
same reference numerals indicate the same or corresponding parts.
DETAILED DESCRIPTION OF THE INVENTION This invention relates to a speaker, particularly to
a joint between a cone and a dust cap. Needs a speaker unit. Since there is an upper limit to the
weight of corn straw and others, conventionally, as shown in FIG. 1 and FIG. In the figure, (1) is a
corrugated paper, 121 is a dust cap, (3) is a voice coil, and (1)) negative L and No 7 / J (4) are
heavy objects added. Conventionally, when adding a mass to the vibration system, one or more
were used, so in the case of FIG. 1, the size of one weight is limited to the size of the dust cap,
and cone paper or dust cap In the case of Fig. 2, there is no function of removing the coit-line of
the cap, and in the case of FIG. In order to increase the equal mass of the vibration system by
bonding a heavy load to the bond between the cone and the dust cap, one cone or dust cap is
reinforced, or the resonance is turned off. It is an object of the present invention to try to remove
resonance noise and the like. FIG. 3 is a view showing an embodiment of the present invention,
wherein (41 is a rigid or elastic body having a stepped section (4a) and a fan-shaped cross
section and one side (4b) is a cone paper) The other th (4c) is adhered to the dust cap (2) by an
adhesive etc. (2) The weight of a rigid or elastic body as in this invention (2) If 4) is added to the
bonded area of corn paper (1) and dust cap (2) to be bonded to both corn paper (1) and dust cap
(2), the mass of the vibration system is simply increased As well as having a function,
reinforcement and dumping of corn paper (1) and / or thrust cap (2) can achieve smoother
sound pressure frequency characteristics by combining and removing. As described above,
according to this invention, since the rigid or elastic body is bonded to the bonding portion
between the cone and the dust cap, it is possible to obtain a simple structure having smooth
11-05-2019
1
frequency characteristics.
11-05-2019
2
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