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JP2001119789

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DESCRIPTION JP2001119789
[0001]
FIELD OF THE INVENTION The present invention relates to devices for spatially transmitting
audio signals, and more particularly to devices for promoting and simulating a surround sound
acoustic environment.
[0002]
BACKGROUND OF THE INVENTION Advances in digital signal processing and software design
have enabled the multimedia industry to provide a wide range of entertainment products and
experiences to PC users. Examples include digitally-mastered audio songs, movies, games and
other internet related material.
[0003]
However, there is a gap between perception in the personal computer environment and
perception in the analog environment. The present invention relates to the effect produced by a
conventional surround sound acoustic system in which the viewer is surrounded by at least four
speakers, one at each corner of the room, one at each ear height, in an analog environment. It is a
thing.
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1
[0004]
Personal computer manufacturers have attempted to simulate a surround sound environment
that allows the viewer to experience in a movie theater by introducing a satellite speaker
arrangement that approximates the surround sound sound system. However, the wiring and
placement of the speakers were always messy and unsightly. In addition, such extended wiring
sometimes interferes with walking in the home.
[0005]
A conventional apparatus 1 for delivering audio signals to simulate a surround sound
environment is shown in FIG. 1 (A). This device 1 is provided by the inventor of the present
invention as a display stand for placing personal computer goods. The apparatus 1 comprises a
substrate 2, a pair of vertical poles 3, 4 separated by a horizontal plate 5, a pair of extension
arms 7, 8 respectively connected to the vertical poles 3, 4 by tension joints 9, 10, and satellites It
comprises an end plate 16 for fixing the speaker 18. FIG. 1B shows a tension joint 10 which
aligns and secures the extension arm 8 with the vertical pole 4. The lock arm 13 pressurizes the
tension members 11 and 12 and the gasket member 14 to fix the extension arm 8 at an
appropriate position. The extension arm 8 is hollow and has a groove formed in the longitudinal
direction, and as shown in FIG. 1C, the wiring is hidden in the pipe. As shown in FIG. 1D, the end
plate 16 fixes the satellite speaker 18 and is connected to the end of the extension arm 8 which
is not the tension joint 10 side.
[0006]
The tension joint 10 and the extension arm 8 of the prior art device 1 have been properly
operated once assembled. However, as time passes, the length of the extension arm 8 and the
weight of the satellite speaker 18 may exceed the pressure acting on the tension joint 10. As a
result, the extension arm 8 and the satellite speaker 18 are lowered below the position of the ear,
resulting in misalignment. In addition, the conventional device 1 can not be moved between the
folded storage position and the operation position. Therefore, even when the surround sound
environment is not required, a considerable space is occupied.
[0007]
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2
The present invention has been made to solve the above-mentioned problems, and an object
thereof is to provide an apparatus for spatially transmitting an audio signal. Another object of the
present invention is to simulate a surround sound environment while minimizing the exposure of
the speaker extension wires.
[0008]
Another object of the present invention is to simulate a surround sound environment in a limited
space without losing the fidelity of the acoustic signal. Yet another object of the present
invention is to fold an apparatus for delivering audio signals to minimize space usage when not
requiring a surround sound environment.
[0009]
SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the invention
according to claim 1 is an apparatus for spatially transmitting an audio signal, wherein at least
one or more of the apparatus for simulating a surround sound environment is used. At least one
folding arm connected to one end of the satellite speaker and foldable if the surround sound
environment is not required, and to adjust the spatial position of the folding arm and to lock the
same; At least one of the lock stoppers connected to the other end of the satellite speaker and the
position of the viewer's ear substantially between two main speakers in order to spatially fit and
position the lock stopper. The gist of the present invention is to include a support structure
positioned in a row.
[0010]
Therefore, according to the first aspect of the present invention, an audio signal can be
transmitted to simulate a surround sound environment, while the arm can be folded if the
surround sound environment is not required.
Also, the locking stops allow the arm to be adjusted to suit the individual features of the user.
[0011]
The invention according to claim 2 is the apparatus according to claim 1, wherein the folding
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3
arm is tubular and includes an opening for concealing the wiring of the satellite speaker. Do.
[0012]
Therefore, according to the second aspect of the present invention, it is possible to hide the
wiring by the folding arm.
The invention according to claim 3 is the apparatus according to claim 1 or 2, wherein the
folding arm comprises at least one or more upper arms, at least one or more lower arms, and The
gist of the present invention is further including an arm joint connecting the two arms.
[0013]
Therefore, according to the invention of claim 3, the upper arm and the lower arm are connected
by the arm joint, and the arm can be folded and expanded by the arm joint.
[0014]
The invention according to claim 4 is the apparatus for spatially transmitting the audio signal
according to any one of claims 1 to 3, wherein the satellite speaker comprises the at least one
folding arm including at least one substrate assembly. It is summarized that they are connected
and said assembly comprises at least one or more ball bearing joints.
[0015]
Therefore, according to the fourth aspect of the present invention, the user can adjust the
position of the satellite speaker by the ball bearing joint.
The invention according to claim 5 is the apparatus for spatially transmitting the audio signal
according to any one of claims 1 to 4, wherein the lock stopper is at least one or more shafts
connected to the lower arm. An angle setting plate having a plurality of holes provided along a
circumferential direction to determine a predetermined spatial position of the folding arm, and a
spring attached to an outer housing of the lock stopper to lock the folding arm The gist is that
the load includes a working pin.
10-05-2019
4
[0016]
Therefore, according to the fifth aspect of the present invention, the positional deviation of the
folding arm can be prevented by the engagement of the angle setting plate and the pin.
The invention according to claim 6 is the apparatus according to any one of claims 1 to 5,
wherein the support structure comprises at least two or more vertical poles and at least one or
more horizontal poles. The gist is to include a bar.
[0017]
Therefore, according to the invention described in claim 6, the satellite speaker and the folding
arm can be supported by the simple configuration of the vertical pole and the horizontal bar. The
invention according to claim 7 is an apparatus according to any one of claims 1 to 5, wherein the
support structure includes at least one or more arcs. .
[0018]
Therefore, according to the seventh aspect of the present invention, the number of components
can be reduced by forming the support structure in an arc shape. The invention according to
claim 8 is the apparatus according to any one of claims 1 to 5, wherein the support structure
comprises at least two or more vertical poles and at least one or more horizontal poles. A gist is
to include a bar and at least one or more substrates.
[0019]
Therefore, according to the invention as set forth in claim 8, the satellite speaker and the folding
arm can be supported by the simple configuration of the vertical pole, the horizontal bar and the
substrate.
[0020]
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5
BEST MODE FOR CARRYING OUT THE INVENTION One embodiment of the present invention will
now be described with reference to FIGS.
As shown in FIG. 2, the apparatus 20 comprises a substrate 22, a pair of vertical poles 23 and 24,
a horizontal bar 25 and a pair of folding arms 27 and 28. The substrate 22 is used as a platform
on which a display device (not shown) such as a personal computer system or a monitor is
mounted. The vertical poles 23 and 24 respectively extend upward from the rear of the substrate
22 and have their upper ends connected to lock stoppers 29 and 30 described later. The lock
stops 29, 30 are coupled to the horizontal bar 25 to provide structural rigidity to the device 20.
[0021]
In the present embodiment, the folding arms 27 and 28 and the vertical poles 23 and 24
constitute subassemblies, respectively, and the substrate 22 and the horizontal bar 25 are
separate parts. As a result, transportation can be facilitated, and the user can easily assemble the
device 20. In addition, it is also possible to modify the present invention as long as it is
understood by those skilled in the art. For example, the vertical pole and the horizontal bar may
constitute a subassembly, and the folding arm may be a separate part.
[0022]
FIGS. 2 and 6 show the folding arms 27, 28 which are novel features of the present invention. In
FIGS. 3A to 3C, for convenience of explanation, the state in which one folding arm 28 is folded is
shown stepwise, but the same is true for the other folding arm 27. As shown in FIG. 3A, the
folding arm 28 is a hollow tube, and is composed of a lower arm 32 and an upper arm 34. One
end of the lower arm 32 is connected to the lock stopper 30, and the other end is connected to
the arm joint 36. When the open end of the upper arm 34 is inserted into the arm joint 36 and
fully extended as shown in FIG. 3A, the arm joint 36 is not a satellite speaker (not shown in the
figure). Is shown in FIG. 5 (A). ) Is positioned farthest from the user. This makes it possible to
deliver an audio signal to simulate a surround sound environment. In the case where a surround
sound environment is not required, the device 20 can fold the upper arm 34 by means of the arm
joint 36, as shown in FIGS. 3B and 3C. In this respect, the conventional device 1 does not allow
the arms to be folded. Thus, according to the present embodiment, the user can be given the
flexibility to save space when a surround sound environment is not required.
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[0023]
As shown in FIG. 4A, the lock stopper 30 is a stopper housing 41, a shaft 43 concentrically
disposed in the stopper housing 41 and a load of the spring 47 acting on one end of the shaft 43
and the spring 47. Lock nut 45 for biasing at an angle, an angle setting plate 40 connected to the
other end of the shaft 43 for adjusting the lower arm 32, and a stopper housing 41 for locking
the folding arm 28 at any position. A stopper 44 is provided. In the present embodiment, a spring
load acts on the stopper 44, and the stopper 44 is a retractable pin 46 fitted in a plurality of
holes 42 provided along the circumferential direction in the angle setting plate 40. The lock
stopper 30 not only allows the lower arm 32 to be adjustable to fit the individual features of the
user, but also prevents the lower arm 32 from becoming misaligned. The user can move the
lower arm 32 from 32 'to 32 "shown in FIG. 4B by the lock stopper 30, and the lower arm 32
does not occupy space when the surround sound environment is not required. It is like that. At
the same time, the retractable pin 46 of the lock stopper 30 fixes the position of the lower arm
32. Therefore, the lock stopper 30 can solve the problems of the conventional device 1.
[0024]
As shown in FIG. 5A, the speaker mounting plate assembly 38 is connected to one end of the
upper arm 34. The speaker mounting plate assembly 38 comprises a housing 48, a ball bearing
joint 56 connected to the speaker mounting plate 52 via a bending arm 54, a pin 58, and a cap
60, as shown in FIG. 5B. . The housing 48 is generally cylindrical and is provided with a tapered
bearing opening 49 that partially exposes the ball bearing joint 56. The pin 58 is preferably
threaded and the inner end is connected to the inner stop plate 62 to provide the ball bearing
joint 56 with an appropriate amount of pressure when the cap 60 is attached to the pin 58 ing.
The pin 58 is also adjustable by means of a knob 59 connected to its outer end.
[0025]
As shown in FIG. 5A, the speaker mounting plate 52 fixes the satellite speaker 50. The
configuration of the ball bearing joint 56 and the tapered bearing opening 49 of the speaker
mounting plate assembly 38 allows the user to adjust the position of the satellite speaker 50 at
intervals of 6 °. Furthermore, the subassembly of the knob 59 and the pin 58 allows the user to
adjust the satellite speaker 50 to the optimum position once it has been determined. In this
manner, the speaker mounting plate assembly 38 can provide ideal delivery of audio signals
when simulating a surround sound environment.
10-05-2019
7
[0026]
FIG. 6A shows the assembly of the folding arm 28 and the vertical pole 24. The folding arms 28
and the vertical poles 24 are tubular and on their lower or back side are provided openings 21,
26, 33, 35, 37 of suitable structure to hide the wires 39 of the satellite speaker 50 respectively
There is. FIG. 6B is an enlarged view of a portion encircled by a circle in FIG. 6A, showing a state
in which the wiring 39 exits the opening 35 and enters the opening 33. Therefore, since the
wiring is hidden in this way, it is organized and promotes the improvement of the appearance.
[0027]
The embodiment of the present invention can be configured as follows in addition to the above
embodiment. Some concepts of collapsible arms, such as telescopic arms, shall be included which
can be extended or retracted as required.
[0028]
When the computer or display device is provided with a socket for supporting the vertical pole,
the substrate 22 may be omitted. The vertical pole and the horizontal bar may be, for example, a
unitary structure with an arc shape.
[0029]
As described above in detail, according to the invention of claim 1, an audio signal can be
transmitted to simulate a surround sound environment, while an arm is used when the surround
sound environment is not required. Can be folded. The locking stops also allow the arm to be
adjusted and fixed to suit the individual features of the user.
[0030]
According to the second aspect of the invention, in addition to the effects of the first aspect of
the invention, the wiring can be concealed by the folding arm, so that the appearance can be
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8
promoted while being organized.
[0031]
According to the invention of claim 3, in addition to the effect of the invention of claim 1 or claim
2, the upper arm and the lower arm are connected by the arm joint, and the arm can be folded
and expanded by the arm joint. It becomes.
[0032]
According to the invention of claim 4, in addition to the effect of the invention according to any
one of claims 1 to 3, the ball bearing joint allows the user to be optimum after the position of the
satellite speaker is once determined. It can be adjusted to any position.
[0033]
According to the invention of claim 5, in addition to the effect of the invention according to any
one of claims 1 to 4, the positional deviation of the folding arm is prevented by the fitting of the
angle setting plate and the pin. Can.
[0034]
According to the invention of claim 6, in addition to the effect of the invention according to any
one of claims 1 to 5, the satellite speaker and the folding arm are supported by a simple
configuration of the vertical pole and the horizontal bar. be able to.
[0035]
According to the invention of claim 7, in addition to the effect of the invention according to any
one of claims 1 to 5, the number of components can be reduced by forming the support structure
in an arc shape. .
[0036]
According to the invention as set forth in claim 8, in addition to the effect of the invention as set
forth in any one of claims 1 to 5, the satellite speaker and the folding arm can be provided by a
simple configuration of vertical pole, horizontal bar and substrate It can be supported.
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