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JP2016180959

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This translation is machine-generated. It cannot be guaranteed that it is intelligible, accurate,
complete, reliable or fit for specific purposes. Critical decisions, such as commercially relevant or
financial decisions, should not be based on machine-translation output.
DESCRIPTION JP2016180959
Abstract: A vibration supplying device attachable to a musical instrument according to an
embodiment of the present invention includes a transducer having a vibrating member, a sound
board of the musical instrument, and a vibration board. The second member is attracted by
magnetic force to the first member connected to the second member, and the second member is
disposed outside the transducer, and the vibrating member is moved to the soundboard when the
first member and the second member are adsorbed. It is characterized in that it is connected to
be able to transmit vibrations. [Selected figure] Figure 5
Vibration supply device attachable to musical instruments
[0001]
The present invention relates to a technique for attaching a vibration supply device to an
instrument.
[0002]
Conventionally, there is known an acoustic guitar, a bass, a violin, a ukulele, a mandolin, etc., an
instrument having a resonance drum including a soundboard.
For example, a resonance cylinder of a guitar is composed of a front plate, a back plate and a side
plate, and a sound hole is formed on the front plate. The playing of the strings mainly vibrates
the soundboard top and back plates to generate a rich sound.
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[0003]
The rich sound produced by such a soundboard is difficult to reproduce with a conventional
speaker system that vibrates the cone paper. Therefore, a device is known that generates sound
using the soundboard of such an instrument itself, not by playing. For example, there is known a
technique in which a musical instrument itself is used as a speaker, a transducer is attached to
the sound board with a screw, the vibration is transmitted to the body of the musical instrument,
and acoustic vibration is generated (for example, Patent Document 1). Also known is a method of
attaching a transducer to an instrument using a bolt (e.g., Patent Document 2).
[0004]
Patent Document 1: JP 2004-129058 Patent Document 2: JP 2008-298992
[0005]
However, in the techniques of Patent Documents 1 and 2, screw and bolt attachment
mechanisms need to be provided for both the transducer and the instrument, and the transducer
and the instrument must be deformed. ) It is not widely applicable to guitars etc.
[0006]
Also, in the techniques of Patent Documents 1 and 2, it is necessary to attach the transducer to
the back plate of the instrument with a screw or a bolt, so a user uses the instrument as a
speaker and a scene to play with the transducer removed. There was a problem that it took time
to switch.
[0007]
Therefore, it is an object of the present invention to facilitate attachment and detachment of a
transducer to an instrument for reproducing an original tone of the instrument by utilizing a
sound board of a general instrument.
[0008]
According to one embodiment of the present invention, it has a transducer having a vibrating
member and a second member which is attracted by a magnetic force to a first member
connected to a soundboard of a musical instrument and which is disposed outside the transducer
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The vibration member may be attached to a musical instrument connected to be able to transmit
a vibration to the soundboard when the first and second members are adsorbed.
[0009]
Further, according to an embodiment of the present invention, a storage for storing data, a signal
generation unit for reading out the data stored in the storage and generating an audio signal, and
amplifying the audio signal to drive the vibrating member And a drive unit, the vibration supply
device being attachable to an instrument.
[0010]
Further, according to an embodiment of the present invention, the drive unit includes a power
receiving unit that receives power supply from a stand on which the musical instrument is
placed, and a data receiving unit that receives data to be stored in the storage from the stand.
And a vibration supply device attachable to an instrument.
[0011]
In addition, according to one embodiment of the present invention, the musical instrument
further includes a metallic case surrounding at least one of the side and the bottom of the
transducer, and the second member is disposed outside the metallic case. An attachable vibration
supply device is provided.
[0012]
Further, according to an embodiment of the present invention, it is characterized by comprising
the vibration supply device, a soundboard, and a first member disposed at a position
corresponding to the second member and connected to the soundboard. An instrument to be
provided is provided.
[0013]
Further, according to an embodiment of the present invention, there is provided a musical
instrument in which the first member and the second member are brought into contact and
adsorbed.
[0014]
Further, according to an embodiment of the present invention, there is provided an instrument in
which the first member and the second member are attracted to each other with a soundboard
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interposed therebetween.
[0015]
Further, according to one embodiment of the present invention, there is provided an instrument,
wherein the first member is in the form of a sheet.
[0016]
According to one embodiment of the present invention, it is possible to facilitate attachment and
detachment of the transducer to the musical instrument to reproduce the original timbre of the
musical instrument using a sound board of a general musical instrument.
[0017]
It is a figure which shows the state in which the vibration supply apparatus of 1st Embodiment of
this invention was attached to the musical instrument.
It is a figure showing composition of a transducer of a 1st embodiment of the present invention.
FIG. 3 is a cross-sectional view of the transducer 50 shown in FIG. 2 cut through a center of the
vibrating member 511 and in a plane parallel to the vibrating direction of the vibrating member
511.
It is the figure which showed the structure of the vibration supply apparatus of 1st Embodiment
of this invention, and is a figure before a vibration supply apparatus is adsorb | sucked to a
sound board.
It is the figure which showed the structure of the vibration supply apparatus of 1st Embodiment
of this invention, and is a figure after the vibration supply apparatus was adsorbed by the sound
board.
It is the figure which showed the structure of the vibration supply apparatus of 2nd Embodiment
of this invention.
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It is the figure which showed the structure of the vibration supply apparatus of 3rd Embodiment
of this invention.
It is the figure which showed the structure of the vibration supply apparatus of 4th Embodiment
of this invention.
It is the figure which showed the structure of the vibration supply apparatus of 5th Embodiment
of this invention.
It is the figure which showed the structure of the vibration supply apparatus of 6th Embodiment
of this invention.
It is a figure showing a modification of the present invention.
[0018]
Hereinafter, a musical instrument according to an embodiment of the present invention will be
described in detail with reference to the drawings.
The embodiment shown below is an example of the embodiment of the present invention, and
the present invention is not limited to these embodiments.
[0019]
First Embodiment A musical instrument according to the first embodiment of the present
invention will be described in detail with reference to the drawings.
[0020]
FIG. 1 is a view showing a state in which a vibration supply device according to a first
embodiment of the present invention is attached to a musical instrument.
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[0021]
The vibration supplying device 10 is attached to the outer surface of the sounding plate 7 of the
musical instrument 1 by attracting the iron sheet 20 connected to the soundboard 7 and the
magnet 30 connected to the vibration supplying device 10 by magnetic force.
Details of how to attach will be described later.
Although one vibration supply device 10 is attached to the musical instrument 1 in FIG. 1, the
number of attached devices may be two or more.
Moreover, although the example in which the vibration supply apparatus 10 was attached to the
back plate of the musical instrument in FIG. 1 was shown, the vibration supply apparatus 10 may
be attached to the front plate of the musical instrument.
[0022]
[Structure of Transducer] FIG. 2 is a view showing the appearance of the transducer 50 included
in the vibration supply device 10. As shown in FIG.
In this figure, in order to make the main structure of the yoke holding | maintenance part 52
legible, description is abbreviate | omitted about the housing | casing 524 (refer FIG. 3) of the
yoke holding | maintenance part 52, The inside of the housing | casing 524 is shown in figure.
[0023]
The vibration unit 51 has a cylindrical vibration member 511 and a voice coil 512 whose upper
surface connected to the soundboard 7 (see FIG. 3) is closed. The vibrating member 511 is
formed of a material such as a resin such as polyimide or a metal such as an aluminum material,
and a cap such as a resin is attached to the upper surface portion. A magnet may be disposed at
the tip of the vibrating member 511, and the magnet may be adhered to the tip of the vibrating
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member 511 by an adhesive or the like. The yoke holding portion 52 has a magnet 522 and
yokes 521 and 523 sandwiching the magnet 522. The yokes 521 and 523 are formed of a soft
magnetic material such as soft iron, for example. In addition, the vibrating portion 51 and the
yoke holding portion 52 are separated by a space.
[0024]
FIG. 3 is a cross-sectional view of the transducer 50 shown in FIG. 2 taken along a plane parallel
to the vibration direction of the vibrating member 511, passing the center of the vibrating
member 511. As shown in FIG. In FIG. 3, a case 524 whose description is omitted in FIG. 2 is also
described. Moreover, in FIG. 3, in order to show the positional relationship of the transducer 50
and the soundboard 7, the position of the soundboard 7 is shown with the dashed-two dotted
line.
[0025]
The vibrating unit 51 has a vibrating member 511 and a voice coil 512. Voice coil 512 is
disposed on the magnetic path passing through the space formed between yoke 521 and yoke
523 among the magnetic paths (broken line arrows) formed by yokes 521 and 523 and magnet
522. ing. The drive signal input to the transducer 50 is input to the voice coil 512. The voice coil
512 receives the magnetic force in the magnetic path formed as described above, and generates
a driving force so that the vibrating member 511 vibrates in the vertical direction in the figure in
accordance with the waveform indicated by the input drive signal. . Then, the transducer 50 and
the soundboard 7 are attracted by the method described in detail below, and the vibration in the
vibrating member 511 is transmitted to the soundboard 7. The housing 524 accommodates the
yokes 521 and 523 and the magnet 522. Although not shown, the vibrating member 511 and the
housing 524 are connected by a damper. In the damper, the voice coil 512 is not driven by the
vibration signal, and the position where no force is exerted on the sound board 7 by the vibrating
member 511 is set as the standard position. The damper extends and contracts following the
vertical vibration of the vibrating member 511 from this standard position.
[0026]
[Configuration of Vibration Supply Device] FIG. 4 is a view showing the configuration of the
vibration supply device, and is a view before the vibration supply device is adsorbed to the
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soundboard. FIG. 5 is a diagram after the vibration supply device is adsorbed to the sound board.
[0027]
In the first embodiment of the present invention, an iron sheet 20 is connected to the
soundboard 7 by an adhesive or the like. The iron sheet 20 may be formed into a thin flat seal. In
FIG. 1, one iron sheet 20 is formed in a circular shape and connected to the outer surface of the
soundboard 7.
[0028]
The vibration supply device 10 includes a transducer 50, a magnet 30, an amplifier 60, a
rechargeable battery 65, a storage 70, a signal generation unit 80, and an operation unit 90. As
shown in FIGS. 4 and 5, the transducer 50, the magnet 30, the amplifier 60, the rechargeable
battery 65, the storage 70, the signal generation unit 80, and the operation unit 90 may be
housed in one case. The detailed configuration of the transducer 50 is as described above.
[0029]
The storage 70 stores various data including music data. The signal generation unit 80 reads the
music data from the storage 70, generates a drive signal based on the music data, and supplies
the drive signal to the amplifier. The operation unit 90 has a role of a switch for controlling
selection of music data read out by the signal generation unit 80 and the like. The amplifier 60 is
driven by receiving power from the battery 65 charged by the external power supply, amplifies
the drive signal supplied from the signal generation unit 80 and supplies it to the transducer 50,
and vibrates the vibration unit 51.
[0030]
The magnet 30 is disposed outside the transducer 50 at a position corresponding to the iron
sheet 20. The magnet 30 may be adhered to the housing of the transducer by an adhesive or the
like. As shown in FIG. 1, the magnet 30 may be provided in a cylindrical shape surrounding the
transducer 50.
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[0031]
At this time, the iron sheet 20 and the magnet 30 are attracted and fixed by the magnetic force.
Therefore, as shown in FIG. 5, the sound board 7 of the musical instrument to which the iron
sheet 20 is connected and the vibration supply device 10 to which the magnet 30 is connected
are adsorbed and fixed.
[0032]
Thus, the vibration based on the drive signal generated from the signal generation unit 80 is
transmitted to the soundboard 7 of the musical instrument through the vibrating member 511,
and the generation of sound using the soundboard 7 becomes possible. In order to realize such a
configuration, the iron sheet 20 and the magnet 30 are disposed at positions corresponding to
each other, that is, at positions where the sound board 7 of the musical instrument and the
vibration supply device 10 can be adsorbed and fixed. Ru.
[0033]
With such a configuration, in the first embodiment of the present invention, without providing an
additional attachment mechanism such as a screw or a bolt to a transducer or a musical
instrument, the sound of a general (for example, commercially available) musical instrument can
be obtained. It is possible to attach the transducer to the plate. Moreover, according to the first
embodiment of the present invention, it is possible to fix the vibration supply device to the
soundboard of the musical instrument only by bringing the vibration supply device close to a
desired position without requiring the process of attaching with screws or bolts. Therefore, it is
possible to easily and quickly switch between a scene where the user uses the instrument as a
speaker and a scene where the vibration supply device is removed and the instrument is played.
[0034]
In the example shown in FIG. 4, in the state before the vibrating member 511 is adsorbed to the
soundboard 7, the surface of the vibrating member 511 in contact with the iron sheet 20 and the
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surface of the magnet 30 in contact with the iron sheet 20 are coplanar. Although disposed on
the upper side, they do not necessarily have to be arranged on the same plane. For example, the
vibrating member 511 may be arranged to project more than the magnet 30. In such an
arrangement, as described above, the vibrating member 511 of the transducer 50 vibrates in the
vertical direction as indicated by the arrow in FIG. 3, so the soundboard 7 of the musical
instrument and the vibration supply device 10 When adsorbed, the portion of the vibrating
member 511 that protrudes from the magnet 30 enters the inside of the vibrating portion 51
and is pressed against the soundboard 7.
[0035]
At this time, the adjustment of the contact between the sound board 7 of the musical instrument
and the vibrating member 511 of the transducer 50 is adjusted by adjusting the length of the
protrusion in a state before being adsorbed to the sound board 7, and the sound board 7 is
adjusted. It is possible to realize an optimal contact between the and the vibrating member 511.
The term "contact" as used in the present application means to connect the vibration from the
vibrating member 511 to the soundboard 7 in a transmittable manner, and also includes
connecting via an iron sheet, a magnet or the like. The same applies to the examples described
later.
[0036]
Second Embodiment FIG. 6 is a view showing the configuration of a second embodiment of the
present invention. The second embodiment of the present invention is the same as the first
embodiment described above except that the iron sheet 20 is provided on the back surface of the
soundboard 7 in the first embodiment of the present invention. The description about the same
composition as a 1st embodiment is omitted.
[0037]
As shown in FIG. 6, in the second embodiment of the present invention, the iron sheet 20 is
provided on the back surface of the soundboard 7 and is attracted to the magnet 30 by the
magnetic force with the soundboard interposed therebetween. The iron sheet 20 is disposed at a
position corresponding to the magnet 30. The iron sheet 20 may be connected to the back
surface of the soundboard 7 by an adhesive or the like, but without using the adhesive or the
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like, the sound sheet 7 is adsorbed by magnetic force with the magnet 30 sandwiching the
soundboard. It may be fixed to the back surface.
[0038]
As described above, in the second embodiment of the present invention, since the iron sheet 20
is provided on the back surface of the soundboard 7, the vibration supplying device can be
attached to the musical instrument without impairing the appearance of the musical instrument.
Further, since the iron sheet 20 and the magnet 30 can be attracted by the magnetic force with
the sounding board 7 interposed therebetween, the musical instrument itself can be processed or
the musical instrument can be prevented from being damaged by adhering an adhesive or the
like to the musical instrument. The vibration supply device 10 can be attached to the
[0039]
Third Embodiment
[0040]
FIG. 7 is a diagram showing the configuration of the third embodiment of the present invention.
The third embodiment of the present invention is the same as the above-described first
embodiment except that the metal case 35 is provided in the first embodiment of the present
invention. The description about the same composition as a 1st embodiment is omitted.
[0041]
As shown in FIG. 7, the third embodiment of the present invention further includes a metallic
case 35 surrounding the side and bottom of the transducer 50. In this case, the magnet 30 can
be adsorbed to the outside of the metallic case 35 and disposed. Also in the third embodiment of
the present invention, the magnet 30 is disposed at a position corresponding to the iron sheet 20
so as to be attracted to the iron sheet 20 by magnetic force.
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[0042]
The metallic case 35 may be formed in a cup-like shape surrounding all of the side and bottom of
the transducer 50, or may be formed so as to surround only a portion of the side and bottom of
the transducer 50. Good.
[0043]
In the third embodiment of the present invention, the vibrating member 511 which is a portion
of the transducer 50 in contact with the sounding board 7 protrudes from the metal case 35 and
the magnet 30 before being attracted to the sounding board 7. It may be formed in
Since the vibrating member 511 of the transducer 50 vibrates up and down in the direction of
the drawing as described above, when the soundboard 7 of the musical instrument and the
vibration supply device 10 are adsorbed, the metal case 35 of the vibrating member 511 is The
portion protruding from the magnet 30 enters the inside of the vibrating portion 51 and is
pressed against the soundboard 7.
[0044]
By having such a configuration, the magnet 30 can be easily attached to the transducer 50 in the
third embodiment of the present invention. Furthermore, since the positioning of the magnet 30
becomes easy, the projection length of the vibrating member 511 is adjusted, and the degree of
contact between the sound board 7 of the musical instrument and the vibrating member 511 of
the transducer 50 is adjusted. It is easier to realize the optimal contact with the vibrating
member 511.
[0045]
Fourth Embodiment FIG. 8 is a view showing the configuration of a fourth embodiment of the
present invention. The fourth embodiment of the present invention is the same as the abovedescribed first embodiment except that the fourth embodiment further includes a stand for
placing a musical instrument. The description about the same composition as a 1st embodiment
is omitted. The vibration supply device 10 can be removed from the stand while being attached
to the outer surface of the sound board 7 of the musical instrument 1.
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[0046]
The stand 600 provided in the musical instrument according to the fourth embodiment of the
present invention has a power supply unit 630 for inputting the external power supply 610 to
the vibration supply device 10, and the vibration supply device 10 is external to the power
supply unit 630 of the stand 600. It has a power receiver 640 for receiving the input of the
power supply 610. The rechargeable battery may be charged by providing the vibration supply
device 10 with a rechargeable battery and inputting the external power supply 610 to the
rechargeable battery through the power supply unit 630 of the stand.
[0047]
By having such a configuration, the rechargeable battery of the vibration supply device 10
attached to the musical instrument can be charged while the musical instrument 1 is being held,
so the musical instrument 1 with the vibration supply device 10 attached thereto is It can also be
used as a speaker when removed from the 600.
[0048]
In addition, the stand 600 provided in the musical instrument of the fourth embodiment of the
present invention has a data supply unit 650 for supplying data from the data server 620 to the
storage 90 of the vibration supply device 10, and the vibration supply device 10 Has a data
receiving unit 660 that receives data input from the data supply unit 650 of the stand 600.
[0049]
The data server 620 may store and manage a plurality of music data as a basis of the drive signal
supplied to the musical instrument.
By having such a configuration, a large amount of music data stored in the data server 620 can
be supplied to the vibration supply device 10, so more music can be used by using the
soundboard 7 of the musical instrument 1. It can be reproduced.
[0050]
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Fifth Embodiment FIG. 9 is a view showing the configuration of the fifth embodiment of the
present invention.
The fifth embodiment of the present invention is the same as the above-described embodiment
except that a communication unit is provided instead of the storage. The description of the same
configuration as that of the embodiment described above is omitted.
[0051]
In the vibration supply device 10 according to the fifth embodiment of the present invention, a
communication unit 75 is provided instead of the storage 70. The communication unit 75 may be
configured to receive provision of various data from an external device in which various data
including music data is stored and stored through a telecommunication line or the like. The
communication unit 75 may be, for example, Bluetooth (registered trademark). The external
device may be, for example, a music player or a terminal such as a smartphone or a tablet.
[0052]
In the vibration supply device 10 according to the fifth embodiment of the present invention, the
signal generation unit 80 reads music data from the communication unit 75, generates a drive
signal based on the music data, and supplies the drive signal to the amplifier. The operation unit
90 has a role of a switch for controlling selection of music data read out by the signal generation
unit 80 and the like. The amplifier 60 is driven by receiving power from the battery 65 charged
by the external power supply, amplifies the drive signal supplied from the signal generation unit
80 and supplies it to the transducer 50, and vibrates the vibration unit 51.
[0053]
By having such a configuration, in the vibration supply device 10 according to the fifth
embodiment of the present invention, it is not necessary to provide a storage for storing and
storing music data, and vibration can be easily supplied by operating an external device. Music
data can be provided to the device.
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[0054]
Sixth Embodiment FIG. 10 is a diagram showing the configuration of the sixth embodiment of the
present invention.
The sixth embodiment of the present invention is the same as the above-described embodiment
except that a vibrator type transducer is used as a transducer of the vibration supply device 10.
The description of the same configuration as that of the embodiment described above is omitted.
[0055]
As shown in FIG. 10, the transducer 50b according to the sixth embodiment of the present
invention is not a voice coil transducer but a vibrator transducer. The vibrator type transducer as
referred to herein means one that vibrates the entire main body by vibrating a vibrating member
inside the main body, like the vibration function of a mobile phone.
[0056]
Also in the sixth embodiment of the present invention, the vibration supply device 10 may be
attached to the musical instrument as described above, or as shown in FIG. 10, a sheet is formed
on the surface of the transducer 50b in contact with the soundboard 7. By connecting the
magnet 30b and connecting the iron sheet 20 to the outer surface of the soundboard 7, the iron
sheet 20 and the magnet 30b are attracted and fixed by the magnetic force, and the iron sheet
20 is connected. The soundboard 7 and the vibration supply device 10 to which the magnet 30b
is connected may be adsorbed and fixed.
[0057]
<Modified Example of Iron Sheet 20 and Magnet 30> In another embodiment of the present
invention, the iron sheet 20 may be another soft magnetic material.
The soft magnetic material containing iron may have any shape as long as it can be adsorbed by
the magnet 30 connected to the transducer 50 by the magnetic force, and may have, for example,
a polygonal shape other than a circular shape. Alternatively, as shown in FIG. 11a, it may be in
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the form of a donut having a circular middle portion hollowed out. FIG. 11 b is a view of FIG. 11 a
taken along the dotted line i and seen from the soundboard 7 side as viewed from the vibration
supply device 10 side. As shown in FIG. 11, the soft magnetic material containing iron is formed
into a donut shape obtained by hollowing out the center part of a circle, thereby providing sound
quality by providing the soft magnetic material containing iron between the soundboard and the
transducer 50. It is possible to prevent the decrease. Further, the number of soft magnetic
materials containing iron may not be one, and two or more may be provided. The position of the
soft magnetic material containing iron may be any position as long as it can be attracted by the
magnet 30 and the magnetic force.
[0058]
Also, in other embodiments of the present invention, the magnet 30 may be another hard
magnetic material. The hard magnetic material including the magnet may have any shape as long
as it can be adsorbed by the iron sheet 20 connected to the soundboard 7 by the magnetic force.
It may be in the shape of a prism. Further, the number of hard magnetic materials including a
magnet may not be one, and two or more may be provided. The position of the hard magnetic
material including the magnet may be any position as long as it can be adsorbed by the soft
magnetic material including iron and the magnetic force.
[0059]
Furthermore, in another embodiment of the present invention, a hard magnetic material
including a magnet may be connected to the soundboard 7 of the musical instrument, and the
vibration supply device 10 may be provided with a soft magnetic material including iron. Also in
this case, as in the above-described embodiment, the hard magnetic material including the
magnet and the soft magnetic material including iron may be connected to the soundboard 7 and
the transducer 50 of the musical instrument by an adhesive or the like, respectively. May be
adsorbed and fixed to each other. At this time, the housing 524 of the transducer 50 may be used
as a soft magnetic material containing iron, and in such a configuration, the process of
connecting the soft magnetic material containing iron to the transducer 50 is omitted or
simplified. can do.
[0060]
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Also, both the sound board 7 of the musical instrument and the vibration supply device 10 may
be provided with a hard magnetic material including a magnet. Also in this case, as in the abovedescribed embodiment, the hard magnetic material including the magnet may be connected to
the soundboard 7 and the transducer 50 of the musical instrument by an adhesive or the like, or
may be fixed to each other with the soundboard held therebetween. It may be done. Further, in
the vibration supply device 10, a metal case may be disposed outside the transducer 50, and may
be adsorbed and fixed to the metal case.
[0061]
Thus, by using at least one of the soundboard 7 side of the musical instrument and the vibration
feeder 10 as a magnet, the vibration feeder 10 and the soundboard 7 of the musical instrument
can be attracted and fixed by the magnetic force. .
[0062]
<Modification of Rechargeable Battery 65> In another embodiment of the present invention, the
amplifier 60 may be driven by receiving power provided by a dry battery or the like in addition
to the internal rechargeable battery charged by the external power supply.
Further, in the vibration supply device 10, a mechanism may be further provided to arrange the
rechargeable battery and the dry battery in a removable manner.
[0063]
<Modification of Musical Instrument 1> In the embodiment described above, the case where the
musical instrument is an acoustic guitar is shown, but the present invention is not limited to this,
and vibrations of strings such as bass, violin, ukulele, mandolin, piano and the like are
transmitted It is possible to apply if it is a stringed instrument having a soundboard. The present
invention is applicable not only to a stringed instrument but also to a percussion instrument
having a sounding board such as a cahon.
[0064]
DESCRIPTION OF SYMBOLS 1 ... musical instrument, 7 ... sound board, 10 ... vibration supply
apparatus, 20 ... iron sheet, 30, 30b ... magnet, 35 ... metallic case, 50, 50b ... transducer, 51 ...
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vibrating part, 52 ... yoke holding part, DESCRIPTION OF SYMBOLS 60 ... Amplifier, 65 ...
Rechargeable battery, 70 ... Storage, 75 ... Communications part, 80 ... Signal generation part, 90
... Operation part, 511 ... Vibration member, 512 ... Voice coil, 522 ... Magnet, 521, 523 ... Yoke,
524 ... case, 600 ... stand, 610 ... external power supply, 620 ... data server, 630 ... power supply
unit, 640 ... power reception unit, 650 ... data supply unit, 660 ... data reception unit
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