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JP2002010382

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Notice
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
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DESCRIPTION JP2002010382
[0001]
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a
speaker device that allows a listener to experience sounds such as music from a palm or the like.
[0002]
2. Description of the Related Art A speaker apparatus used for an audio apparatus for listening to
music generally has a structure in which a speaker unit is mounted in an enclosure, and is
installed on a floor of a room or the like to be directed to a listener. Music from the speaker unit.
[0003]
However, the conventional speaker apparatus of this type is usually installed at a position distant
from the listener, and the listener is made to hear the sound such as the music released from the
space. However, in terms of experiencing sounds such as music, it is not the best thing, and it
was insufficient.
[0004]
The present invention has been made in view of the above points, and it is an object of the
present invention to provide a speaker device which allows a listener to enjoy for hands and the
like and to feel sounds such as music from palms and the like. To aim.
[0005]
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1
SUMMARY OF THE INVENTION In order to achieve the above object, the speaker device of the
present invention is provided with a spherical case having a spherical outer shape, and a portion
of the spherical case stretched. A diaphragm that vibrates by receiving the sound pressure of the
sound generated inside, a speaker that is disposed in the spherical case and generates sound, a
speaker driving unit that drives the speaker, and wireless from the outside of the spherical case
Audio signal receiving means for receiving the transmitted acoustic signal and outputting the
acoustic signal to the speaker driving means, and receiving and reproducing the acoustic signal
wirelessly transmitted from the external audio reproduction / transmission device, the speaker
To generate sound in the spherical case and vibrate the diaphragm tensioned in the spherical
case.
[0006]
Here, the spherical shape of the above-mentioned spherical case is a concept including an
elliptical or oval spherical shape in addition to a perfect circular spherical shape.
In addition, the spherical case can be formed in a soccer ball shape, and the diaphragm can be
formed and arranged in a polygonal pattern that is attached in a plurality on the surface of the
soccer ball.
[0007]
The speaker apparatus having such a configuration is formed, for example, in the shape of a
soccer ball having a size that can be held by the listener by hand, and the sound such as music is
transmitted from an external audio reproduction / transmission apparatus. The signal is
transmitted to the speaker device wirelessly.
In the speaker device, the acoustic signal is received by the acoustic signal receiving unit, and the
acoustic signal is output from the acoustic signal receiving unit to the speaker driving unit.
The speaker driving means drives the speaker according to the sound signal, and the speaker
emits sound such as music.
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2
[0008]
When the sound vibrates the air in the spherical case, the diaphragm stretched on the surface of
the spherical case receives the sound pressure of the sound and vibrates according to the music
or the like.
For example, when the sound is rock music with a beat, the diaphragm vibrates according to the
beat sound of the drums or the bass. The listener who is holding the speaker device in hand or
touching with the skin can feel the vibration of this sound (music) with the skin, and the sound,
that is, the music such as the lock reproduced by the audio reproduction transmission device is
spherical The user can feel while touching the speaker device of Since the sound generated in the
spherical case is emitted to the outside through the diaphragm or from the gap of the spherical
case, the listener can simultaneously hear the sound (music) from his ear, and the music etc. You
can enjoy it with both of your hearing.
[0009]
DETAILED DESCRIPTION OF THE INVENTION Embodiments of the present invention will be
described below with reference to the drawings. FIG. 1 shows a perspective view of the speaker
device 1 and FIG. 2 shows an exploded perspective view thereof. The speaker device 1 includes a
receiving circuit 11 as acoustic signal receiving means for receiving an acoustic signal wirelessly
transmitted from the outside in a spherical case 2 formed in a spherical shape, and a speaker for
driving a speaker 15 by the received acoustic signal. An amplifier circuit 14 or the like as a
driving means is incorporated.
[0010]
The spherical case 2 is a spherical shape having a size that can be held by the listener by hand, in
this case a soccer ball, and is similar to a pentagonal pattern applied as a pattern on the surface
of a normal soccer ball. Thus, pentagonal diaphragms 3 are formed on a spherical surface at a
plurality of intervals. The spherical case 2 is formed of, for example, a synthetic resin in a
spherical shape, a pentagonal opening is formed at a position where the pentagonal pattern of
the soccer ball is arranged, and the diaphragm 3 is stretched at the opening. The diaphragm 3
has a sufficient strength and a material that vibrates under the acoustic pressure of the sound
generated in the case, such as a membrane used for drums, a cone of a relatively strong speaker,
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3
etc. It is made of various materials.
[0011]
In the spherical case 2, a speaker 15, an electric circuit as a speaker driving means for driving
the speaker 15, an acoustic signal wirelessly transmitted from the outside of the spherical case is
received, and an acoustic signal is output to the speaker driving means An electrical circuit as
acoustic signal receiving means is mounted on the circuit board 9. As shown in FIG. 3, these
electric circuits include a receiving circuit 11 for receiving an acoustic signal (high frequency
signal) wirelessly transmitted from the outside, a high frequency amplification circuit 12 for
amplifying the high frequency signal sent from the receiving circuit 11, and A demodulation
circuit 13 that demodulates the signal output from the amplification circuit 12 and extracts an
acoustic signal, and an amplification circuit 14 that amplifies the low frequency signal output
from the demodulation circuit 13 and supplies the amplified signal to the speaker 15 are
provided.
[0012]
Furthermore, a battery 16 and its charging circuit 17 are incorporated in the spherical case 2 as
a constant voltage power supply for supplying power to these electric circuits. As the secondary
battery, a nickel cadmium battery, a lithium battery or the like having a light weight and a
sufficient power capacity can be used as the battery 16. The charging circuit 17 is a circuit for
charging the battery 16 from an external charger or the like. The connector 6 connected to the
input side of the charging circuit 17 is attached to a part of the spherical case 2 and a plug of the
external charger Can be connected. Furthermore, on the surface of the spherical case 2, a volume
4 and a switch 5 are provided, and the power can be turned on and off by the switch 5, and the
volume of reproduced sound can be adjusted by the volume 4.
[0013]
As shown in FIG. 2, the spherical case 2 is formed so as to be capable of being assembled in half,
and as described above, the speaker 15 and an electric circuit as a speaker driving means for
driving the speaker 15, a sphere An electric circuit as acoustic signal receiving means for
receiving an acoustic signal wirelessly transmitted from the outside of the case and outputting
the acoustic signal to the speaker driving means, and a battery 16 are incorporated. The number
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4
of speakers 15 is one in the illustrated example, but it is of course possible to provide two or
more speakers 15 in order to obtain sufficient sound pressure or to generate stereo reproduction
sound.
[0014]
In FIG. 3, reference numeral 8 denotes an audio reproducing and transmitting device disposed
outside the spherical case 2. The audio reproduction / transmission device 8 has an audio
reproduction device 21 and a transmission circuit 24 as shown in the block diagram of FIG. The
audio reproduction device 21 is a device for reproducing sound such as music, and includes a
tape player, a CD player, an MD player, and the like.
[0015]
A circuit for modulating an acoustic signal outputted therefrom on the output side of the audio
reproduction apparatus 21 and transmitting the radio signal on radio waves, that is, a modulation
circuit 22, a high frequency amplification circuit 23, and a transmission circuit 24 Connected The
modulation circuit 22 modulates the audio signal output from the audio reproduction device 21
according to, for example, a frequency modulation method, and outputs the modulated audio
signal to the high frequency amplification circuit 23. The high frequency amplification circuit 23
amplifies the modulated high frequency signal and outputs the amplified high frequency signal to
the transmission circuit 24. The transmission circuit 24 transmits the high frequency signal as a
radio wave. Since the audio reproduction / transmission device 8 and the speaker device 1 are
usually placed in the same room and are for short distance transmission, the transmission output
may be performed with a small amount of power.
[0016]
The speaker apparatus 1 configured as described above enjoys listening to sounds such as music
while holding the hand of the listener or touching it with a part of the listener's body. Here, since
the spherical case 2 is formed in the shape of a soccer ball and no protrusion or cord is
connected to the spherical case 2, the speaker device 1 can be rolled to play, and the listener is
visual You can enjoy the fun associated with the ball game as well as the fun.
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[0017]
When the audio reproduction / transmission device 8 is operated, an audio signal such as music
output from the audio reproduction device 21 is sent to the modulation circuit 22, and the
acoustic signal is modulated by the frequency modulation method to the high frequency
amplification circuit 23. Output. The high frequency amplification circuit 23 amplifies the
modulated high frequency signal and outputs the amplified high frequency signal to the
transmission circuit 24. The transmission circuit 24 wirelessly transmits the high frequency
signal by radio waves.
[0018]
In the speaker device 1, the receiving circuit 11 built in the spherical case 2 receives the acoustic
high frequency signal. The received acoustic signal (high frequency signal) is sent from the
reception circuit 11 to the high frequency amplification circuit 12 and amplified, and is output
from the high frequency amplification circuit 12 to the demodulation circuit 13, and the
demodulation circuit 13 demodulates the signal to obtain an acoustic signal. Taken out. The
acoustic signal (low frequency signal) demodulated by the demodulation circuit 13 is amplified
by the amplifier circuit 14 and supplied to the speaker 15, and the speaker 15 generates an
audio such as music.
[0019]
When the sound vibrates the air in the spherical case 2, the diaphragm 3 stretched on the
spherical case 2 receives the sound pressure of the sound and vibrates according to the music or
the like. For example, if the sound is rock music with a beat, the diaphragm 3 vibrates according
to the beat sound of the drums or the bass. The listener enjoys holding the speaker device 1 or
touching with the skin while listening to the sound emitted to the outside through the diaphragm
3 or from the gap of the spherical case.
[0020]
Since the diaphragm 3 vibrates in accordance with the sound generated in the speaker device 1,
the listener can feel the beat of this sound (music) as the vibration on the skin, and the audio
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reproducing and transmitting device 8 reproduces it. It is possible to experience the music such
as the lock with the skin while touching the spherical speaker device 1. In addition, since the
sound generated in the spherical case 1 is emitted to the outside through the diaphragm 3 or
from the gap of the spherical case 2, the listener can hear the sound (music) sufficiently from the
ear at the same time. You can enjoy the beat sound both in the bodily sensation and in the
hearing.
[0021]
When the speaker device 1 is to be rolled and played, when the loud sound (music) is generated
from the speaker 15, the spherical speaker device 1 can roll by the reaction of the sound
pressure. This rolling is directed in various directions according to the size of the sound (music)
and the timing of generation, so that the movement can be enjoyed with eyes. Furthermore, when
a plurality of speaker devices 1 are placed in a large dish-like container or the like to generate
loud sound (music), the sound pressure generated from the speakers 15 of the speaker device 1
acts on the adjacent speaker devices 1. Function to roll them in various directions, and also have
the reaction of the self-generated sound pressure, and the multiple speaker devices 1 on the dishlike container perform complex movements, so enjoy this movement It can also be done.
[0022]
In the above embodiment, the spherical case 2 is formed in a soccer ball shape, but may be
formed in another ball shape, an oval spherical shape, or an egg shape, and the size is also
arbitrary. It can also be shaped similar to a ball or softball. Further, although not shown in the
above embodiment, by making a thin hole at an arbitrary position of the spherical case, the
sound generated from the speaker can be released with a large volume to the outside. Further,
when the power of the battery 16 is insufficient, a thin power supply line can be drawn out from
the spherical case 2 and connected to an external power supply.
[0023]
As described above, according to the speaker device of the present invention, the diaphragm of
the surface of the spherical case vibrates in response to the sound pressure of the sound
generated from the speaker in the spherical case. Therefore, when generating rock music with a
good beat in a spherical case, the diaphragm vibrates according to the beat sound of drums and
bass, so the speaker device is held by hand or listening with skin contact The person can feel the
vibration of the sound (music) with his / her skin, and can feel the music such as the lock
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reproduced by the audio reproduction / transmission device while touching the spherical speaker
device.
[0024]
Also, since the sound generated in the spherical case is emitted to the outside through the
diaphragm or from the gap of the spherical case, the listener can simultaneously hear the sound
(music) from the ear, You can enjoy music etc. with both bodily sensation and hearing.
[0025]
Furthermore, if the spherical case is formed in a soccer ball shape and the diaphragm is formed
on the spherical case similar to the pentagonal or hexagonal pattern of a normal soccer ball, the
speaker device is rolled like a soccer ball. It can be enjoyed visually.
[0026]
Furthermore, when a loud sound (music) is generated from the speaker, the spherical speaker
device can roll by the reaction of the sound pressure, and this rolling causes the size and
generation of the sound (music). Because you are heading in various directions depending on the
timing, you can also enjoy the movement with your eyes.
[0027]
Brief description of the drawings
[0028]
1 is a perspective view of a speaker device showing an embodiment of the present invention.
[0029]
2 is an exploded perspective view of the speaker device.
[0030]
3 is a block diagram of the speaker device.
[0031]
4 is a block diagram of the audio reproduction transmission apparatus.
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[0032]
Explanation of sign
[0033]
1-Speaker device 2-Spherical case 3-diaphragm 8-audio reproduction / transmission device 11reception circuit 13-demodulation circuit 14-amplification circuit 15-speaker
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