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DESCRIPTION JPH10229592

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DESCRIPTION JPH10229592
[0001]
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a
speaker system in which light emitters are provided inside a cabinet, and more particularly to a
speaker system in which light emitters are disposed inside the diaphragm.
[0002]
2. Description of the Related Art Recently, various designs of speaker systems have been adopted,
in which light emitters are provided inside a cabinet to boost the mood of the acoustic space and
to attract the attention of customers at sales outlets, etc. There is.
[0003]
In the case where a light emitter is provided inside the cabinet, conventionally, as shown in FIGS.
6A, 6B, and 6C, the middle plate 22 as a baffle is disposed inside the cabinet 21 of the front
opening and In most cases, the light emitters 20 are disposed on the plate 22 and the diaphragm
24 of the speaker unit 23 is illuminated from the surface side.
[0004]
In the drone cone (passive radiator) type speaker system, as shown in FIG. 7, a drone cone 26
having a frame 27 is used in the same manner as a normal speaker unit 25.
[0005]
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1
[Problems to be Solved by the Invention] By arranging a light emitter inside a cabinet, especially
inside a speaker unit and a diaphragm of a drone cone, and transmitting light from the
diaphragm, center cap, etc. Lighting becomes possible.
[0006]
However, in the conventional drone cone type speaker system, as shown in FIG. 7, when the light
emitter 20 is disposed inside the diaphragm 28, the frame 27 is reflected and the appearance is
extremely bad, and the appearance is impaired There is.
Also, although the frame 27 of the drone cone 26 is generally used for the speaker unit, the
aperture is usually 20 cm to 30 cm and is expensive.
[0007]
An object of the present invention is to solve the drawbacks of a speaker system in which light
emitters are arranged according to the prior art, and to provide a low-cost, more elegant speaker
system and a diaphragm thereof.
[0008]
[Means for Solving the Problems]
[0009]
In the speaker system according to the present invention, in the speaker system in which the
light emitter is provided in the cabinet, the whole or a part of the cone diaphragm of the drone
cone or the speaker unit is made translucent and the sticking margin of the edge periphery of the
diaphragm is provided. Part is attached to the opening edge of the mounting hole provided in the
baffle to make it frameless, and the light emitter is arranged on the inner side relative to the
diaphragm to make the light emitter emit light, the frame of the drone cone or the speaker unit It
is characterized in that it is configured so that shadows do not appear.
[0010]
According to a second aspect of the present invention, the diaphragm is a drone cone diaphragm,
and the center cap is also made translucent.
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2
[0011]
According to the third aspect of the present invention, a display unit made of characters, figures
or the like is displayed on the diaphragm, and only a portion of the display unit is translucent.
[0012]
The diaphragm according to the present invention is a diaphragm used in a speaker system in
which light emitters are disposed on the inner side of the diaphragm, and the display unit
including characters or figures is displayed on the diaphragm. Is characterized in that it has a
light transmitting property.
[0013]
In the speaker system, the speaker unit, the diaphragm of the drone cone and the center cap
together with this are formed of a translucent material, and the sticking margin portion of the
outer periphery of the diaphragm is formed as a baffle without using a frame. It attaches to the
opening edge of a mounting hole, and provides a light-emitting body inside the diaphragm.
[0014]
When the light emitter is made to emit light, light is transmitted through the diaphragm and the
center cap, and the light can be reliably illuminated from the inside without the frame being
reflected, and a very elegant speaker system can be obtained.
Only a part of the diaphragm or the center cap can be made translucent, for example, when a
display unit such as characters or figures is displayed on the surface of the diaphragm and only
this display unit is made translucent , Letters, figures, etc. can be made clearer.
[0015]
DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows an embodiment of a speaker
system and its diaphragm according to the present invention, a cross section of a drone cone
type speaker system, and FIG. 2 a cross section showing an embodiment applied to a normal
speaker unit. FIG. 3 is a perspective view of the above, FIG. 4 is a cross-sectional view showing an
embodiment in the case where a light transmitting portion is provided in a part of a diaphragm,
and FIG. It is a sectional view showing an example.
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3
[0016]
A light transmitting property is provided to all or a part of the cone diaphragm 2 and the center
cap 3 of the drone cone 6 or the speaker unit 1.
When the whole of the diaphragm 2 and the center cap 3 is to be translucent, it is formed of a
translucent material, and when a translucent portion is provided on a part of it, for example, as
shown in FIG. Using two-color molding, the display 4 such as a logo or one-point mark is molded
of a translucent material and the other part 5 is molded of a non-translucent material.
[0017]
As another embodiment, as shown in FIG. 5 (A), the coating 4a may be removed after the display
unit 4 is coated with a mask on the surface of the diaphragm 2 formed entirely of a translucent
material. Alternatively, as shown in FIG. 5B, after coating the display unit 4, the coating film 4a is
cut.
For example, it is possible to carry out without injection molding by vacuum forming the sheet
polypropylene natural (white translucent) material.
[0018]
Although the diaphragm 2 and the center cap 3 molded as described above are incorporated as
the speaker unit 1 or the drone cone 6, they are frameless, and the bonding margin 2b on the
outer periphery of the edge portion 2a of the diaphragm 2 is a baffle of the cabinet 11. 12. It is
attached to the opening edge 14a of the attachment hole 14 provided in 12, and is fixed by the
pressing ring 15.
[0019]
In the example of FIG. 1, the speaker unit 1 is attached to the middle plate 13 provided inside the
cabinet 11, and the outer peripheral portion of the damper 16 of the drone cone 6 is supported
by the middle plate 13.
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4
The light emitter 20 is attached to the inner side of the diaphragm 2, that is, to the middle plate
13, and the light of the light emitter 20 is transmitted through the entire diaphragm 2 or the
display unit 4.
[0020]
FIG. 2 is applied to a normal speaker unit 1 attached to the baffle 12 of the cabinet 11, and the
magnetic circuit unit 17 is attached to the middle plate 13 and the sticking margin 2 b of the
outer periphery of the edge of the diaphragm 2 is the baffle 12. Is attached to
[0021]
According to the speaker system of the present invention, it is possible to illuminate by
irradiating light from the back side of the diaphragm, and it is possible to make the speaker
system extremely rich in taste.
Further, in this case, since the frame is not displayed, the appearance is good. In particular, for
example, when characters, figures, and the like are displayed on the diaphragm, they can be
clearly displayed.
[0022]
Since a frame is not used as a speaker system, it is inexpensive and can be reduced in weight.
[0023]
According to the diaphragm of the present invention, it is suitable for use in a speaker system of
the type in which the light emitters are disposed on the back side of the diaphragm, and the
interior element of the speaker system can be enhanced.
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5
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