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JP3175125

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DESCRIPTION JP3175125
Abstract: The present invention provides a vibration speaker provided with a fixing device that
allows a user to freely change the material of the connecting member or change the arrangement
according to the characteristics of the diaphragm. The method includes at least one transducer.
At least one groove 111 is provided at the bottom of the vibration speaker 11. At least one
connection member 112 is respectively fitted in the at least one groove. The transducer is driven
to generate a vibration, which is transmitted to the diaphragm by the connecting member.
[Selected figure] Figure 2A.
Vibration speaker with fixing device
[0001]
The present invention relates to a vibration speaker, and more particularly, to a vibration speaker
provided with a fixing device.
[0002]
The speaker is a conversion device for converting an electronic signal into a sound wave.
A known moving coil type speaker is usually composed of a magnet, a coil, an elastic pedestal,
and a sound emitting hole, and the operation principle is to transmit an electronic signal to the
coil to generate electromagnetic induction to form an induced current, to form an elastic
pedestal. Speak from the sound emission hole through.
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[0003]
However, in the prior art described above, although the moving coil type speaker is a mature
technology, it is suitable for downsizing and portable electronic devices because it is bulky,
consumes a large amount of power, and is susceptible to magnetic interference. Absent.
[0004]
In order to ameliorate the above-mentioned drawbacks, we have launched a vibrating speaker.
In order to transmit the generated vibration to the diaphragm, it is necessary to fix it in contact
with the vibration speaker diaphragm, and sound is emitted by the resonance and the resonance
effect. In the known fixing method of the vibration speaker, most of them are in contact with the
diaphragm by gravity under their own weight or fixed to the diaphragm by the adhesive member,
and the adhesive member is generally fixed to the vibration speaker. However, a single adhesive
member is not suitable for different diaphragm materials (eg wood board, glass or metal),
smoothness and roughness, and known adhesive members are not easy to replace and they are
used repeatedly In the prior art, the convenience of use of the vibration speaker was not
remarkable because the adhesive force was lowered and the fixing effect was lowered.
[0005]
The present invention has been made in view of such conventional problems. In order to solve
the above problems, the present invention is mainly intended to provide a vibration speaker
provided with a fixing device which allows a user to freely change the material of the connecting
member or change the arrangement according to the characteristics of the diaphragm. I assume.
[0006]
In order to solve the problems described above and to achieve the object, a vibration speaker
provided with a fixing device according to the present invention comprises: at least one
transducer; a bottom provided with at least one groove; And at least one connection member that
can be correspondingly fitted, wherein the transducer is driven to generate a vibration, and the
vibration is transmitted to the diaphragm by the connection member.
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[0007]
According to the vibration speaker of the present invention, it is possible to obtain a vibration
speaker provided with a fixing device that can be flexibly replaced and can also enhance the
fixing effect between the vibration speaker and the diaphragm.
[0008]
FIG. 1 is a perspective view of a vibration speaker provided with a fixing device according to an
embodiment of the present invention.
It is a perspective view of the bottom of the vibration speaker of FIG.
It is sectional drawing of the local part with which the connection member was fitted by the
groove ¦ channel. The external shape of the various groove ¦ channels of the vibration speaker in
embodiment of this invention is illustrated. The external shape of the various groove ¦ channels
of the vibration speaker in embodiment of this invention is illustrated. The external shape of the
various groove ¦ channels of the vibration speaker in embodiment of this invention is illustrated.
The external shape of the various groove ¦ channels of the vibration speaker in embodiment of
this invention is illustrated. The cross-sectional shape of the various groove ¦ channels of the
vibration speaker in embodiment of this invention is illustrated. The cross-sectional shape of the
various groove ¦ channels of the vibration speaker in embodiment of this invention is illustrated.
The cross-sectional shape of the various groove ¦ channels of the vibration speaker in
embodiment of this invention is illustrated.
[0009]
Hereinafter, embodiments of the present invention will be described in detail with reference to
the drawings. The present invention is not limited to the embodiments described below.
[0010]
The configuration of the first embodiment of the present invention is shown in FIGS. 1 to 4C. FIG.
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1 is a perspective view of a vibration speaker 11 provided with a fixing device according to an
embodiment of the present invention. In the present embodiment, the vibration speaker 11
mainly includes a vibration module and a drive module, and the drive module receives an
electronic signal to generate an appropriate drive signal to drive the vibration module to
generate a vibration. When the bottom of the vibration speaker 11 (or its vibration module)
contacts the diaphragm 12 (eg, glass, table surface, wall, etc.), the vibration is transmitted to the
diaphragm 12 so that the user can hear the generated sound waves. The vibration module of the
present embodiment includes piezoelectric material (piezoelectric material, electro-active
polymer (EAP), shape memory alloy (SMA), magnetostrictive material, electrostrictive material At
least one transducer is used which includes an Electrostrictive Material, a voice coil motor, an
eccentric rotating mass (ERM) motor, or a linear resonant actuator (LRA).
[0011]
FIG. 2A is a perspective view of the bottom of the vibration speaker 11 of FIG. In the present
embodiment, at least one groove 111 is provided at the bottom of the vibration speaker 11. In
addition, the present embodiment further includes at least one connection member 112 that can
be fitted corresponding to the at least one groove 111, respectively. The groove 111 and the
connecting member 112 both serve as a fixing device for the vibration speaker 11 and
correspond to a replaceable fixing device.
[0012]
FIG. 2B is a cross-sectional view of a local portion in which the connecting member 112 is fitted
in the groove 111. As illustrated, the connecting member 112 includes a fitting portion 112A
and a connecting portion 112B, and the fitting portion 112A can be fitted in the groove 111,
while the connecting portion 112B is outside the groove 111. The connection portion 112 </ b>
B of the present embodiment includes a connection material connectable to the diaphragm 12, so
the vibration speaker 11 can be fixed to the diaphragm 12. The connection material may be, for
example, an adhesive (e.g., polyurethane (PU) gel), clay, or a magnet, but is not limited thereto.
[0013]
In one embodiment, the connection members 112 do not necessarily have to use the same
connection material. In other words, since the plurality of connection members 112 of the fixing
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device in the present embodiment are combined type fixing devices, different connection
materials can be selected and used. And roughness can be combined to obtain the desired fixing
effect. For example, for the diaphragm 12 made of a metal material, it is possible to use all the
connection members 112 including a magnet, and partially use the connection members 112
including a magnet and the connection members 112 including an adhesive. It is also possible.
On the other hand, it is possible to use all the connection members 112 containing the adhesive
for the non-metallic diaphragm 12.
[0014]
The shape of the groove 111 of the vibration speaker 11 in the present embodiment is not
limited to the shape shown in FIG. 2A. FIGS. 3A to 3D illustrate the external shape of the various
grooves 111 of the vibration speaker 11 according to the embodiment of the present invention.
FIG. 3A shows a (longitudinal) elongated groove, FIG. 3B shows a (laterally) elongated groove,
FIG. 3C shows a block groove and FIG. 3D shows a circular groove. As shown in FIG. 3C, the block
groove opens at the side extending to the bottom of the vibration speaker 11 so that the
connecting member 112 can be conveniently fitted in the groove 111 and out of the groove 111.
It can be provided. In a similar situation, as shown in FIG. 3D, an opening can also be provided on
the side where the circular groove extends to the bottom of the vibrating speaker 11. 4A to 4C
illustrate the cross-sectional shapes of the various grooves 111 of the vibration speaker 11
according to the embodiment of the present invention. FIG. 4A shows a groove of trapezoidal
cross section, FIG. 4B shows a groove of rectangular cross section, and FIG. 4C shows a groove of
semicircular cross section. The appearance and cross-sectional shape of the connection portion
112B of the connection member 112 in the present embodiment can correspond to each other,
and are complementary to the shape of the groove 111 shown in FIGS. 3A to 3D and 4A to 4C.
[0015]
In one embodiment, the groove 111 and the connecting member 112 do not necessarily have to
use the same shape. In other words, in order to flexibly combine the characteristics of the
diaphragm 12, it is possible to select and use different shapes and arrangements of the plurality
of grooves 111 and the connection member 112 in the present embodiment.
[0016]
As mentioned above, this invention is not limited to such embodiment, It can implement with
various forms in the range which does not deviate from the meaning of an invention.
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[0017]
11 vibration speaker 12 diaphragm 111 groove 112 connecting member 112A fitting portion
112B connecting portion
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