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JP2010178378

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DESCRIPTION JP2010178378
An object of the present invention is to provide a TV rack for a large television which is easy to
connect, easy to connect, excellent in appearance, and excellent in sound quality. A TV rack
includes a left speaker having a plurality of left speaker units including a left tweeter, a center
speaker having a plurality of center speaker units including a center tweeter, and a right having a
plurality of right speaker units including a right tweeter. A plurality of lefts, comprising a
speaker, a left pedestal, a left loudspeaker, a right loudspeaker, a horizontal pedestal for
installing a TV at the top, and a leg which holds the horizontal pedestal horizontally. The volume
of the left speaker, the right speaker, and the center speaker can be obtained by the speaker unit,
the plurality of center speaker units, and the axes of the plurality of right speaker units
positioned on a straight line in the horizontal direction and the partition wall is provided on the
horizontal base. Each is defined independently. [Selected figure] Figure 1
TVラック
[0001]
The present invention relates to a speaker system. More particularly, the present invention
relates to a speaker system for a large television which is space-saving, easy to connect, and
excellent in sound quality.
[0002]
10-05-2019
1
In recent years, large flat-screen TVs such as plasma TVs and liquid crystal TVs have been
rapidly spreading. As a result, it is considered that the potential demand for a home audio visual
(AV) system (so-called home theater system) using such a large flat screen television is also
rapidly increasing.
[0003]
However, in practice, such home theater systems are not as popular as potential demand. The
reason is (1) there is no installation place of the speaker system for home theater when
considering the housing situation in Japan, (2) connection of each device for the system is
complicated, and wiring after connection is (3) The tall speakers (longitudinal speakers) sold as a
set with large TVs are prone to falling, so there are likely to be many people who dislike the
installation.
[0004]
On the other hand, with a speaker built into a large television, the sound quality is insufficient
compared to that of a large screen image, so movies and sports can not be enjoyed sufficiently.
[0005]
In order to solve the above problems, a television storage rack incorporating a speaker has been
proposed (see Patent Documents 1 and 2).
However, since it is necessary to assemble and complete each unit which accommodated an
amplifier and a speaker, the rack of patent document 1 does not eliminate the complexity of the
connection of each unit (each apparatus) at all. Furthermore, this rack has not been devised at all
for improving the sound quality. Moreover, although the rack of patent document 2 attaches a
speaker to the support member of a rack, and uses the support member as an acoustic pipe, it is
inadequate about the surround effect for home theaters. Furthermore, in this rack, since the
speaker is attached to the support member, the speaker is exposed to the outside, and the
appearance is not excellent.
[0006]
Utility model registration No. 3040883 JP 2004-48168 A
10-05-2019
2
[0007]
As described above, there is a strong demand for a large television speaker system that is easy to
connect, easy to connect, excellent in aesthetic appearance, and excellent in sound quality.
[0008]
The present invention has been made to solve the above-described conventional problems, and
the purpose of the present invention is a large-sized television which is easy to connect, easy to
connect, excellent in aesthetics, and excellent in sound quality and surround effect, without
taking place. For providing a speaker system (TV rack).
[0009]
A TV rack according to a preferred embodiment of the present invention comprises a left speaker
having a plurality of left speaker units including at least a left tweeter, a center speaker having a
plurality of center speaker units including at least a center tweeter, and a plurality of at least
right tweeters. It functions as an enclosure for the right speaker having the right speaker unit,
the left speaker, the right speaker, and the center speaker, and holds the horizontal base for
horizontal installation of a TV at the top, and the horizontal base The shafts of the plurality of left
speaker units, the plurality of center speaker units, and the plurality of right speaker units are
positioned on a straight line in the horizontal direction, and a partition wall is provided on the
horizontal base portion. The left speaker, the Speakers and volume space of the central speaker is
defined independently.
[0010]
According to the present invention, by disposing the left speaker, the right speaker, and the
center speaker such that the axes of the respective speaker units are positioned on a straight line
in the horizontal direction, it is possible to realize extremely excellent sound movement. .
Furthermore, since the horizontal base incorporating these speakers not only functions as an
enclosure for these speakers but also serves as a large TV mounting base, the installation space
for TVs and speakers is significantly larger than that of a conventional home theater system. It
can be made smaller.
10-05-2019
3
Furthermore, since the wiring on the speaker side is completed within the horizontal base, the
user need only connect the speaker lead wire to the speaker terminal of the television.
Therefore, the complexity of the connection is also eliminated.
In addition, since most of the wiring on the speaker side is accommodated in the horizontal base
portion, the wiring after connection is not unsightly. As described above, according to the present
invention, it is possible to provide a speaker system for a large television which is easy to
connect, easy to connect, excellent in appearance, and excellent in sound quality.
[0011]
FIG. 1 is a schematic perspective view illustrating a speaker system according to a preferred
embodiment of the present invention. It is a front view of the speaker system of FIG. It is
sectional drawing when the speaker system of FIG. 1 is seen from upper direction. FIG. 6 is a
cross-sectional view of the speaker system according to a further preferred embodiment as
viewed from above
[0012]
Hereinafter, preferred embodiments of the present invention will be described with reference to
the drawings, but the present invention is not limited to these embodiments.
[0013]
FIG. 1 is a schematic perspective view illustrating a speaker system according to a preferred
embodiment of the present invention.
FIG. 2 is a front view of the speaker system of FIG. FIG. 3 is a cross-sectional view of the speaker
system of FIG. 1 as viewed from above. FIG. 4 is a cross-sectional view from above of the speaker
system according to a further preferred embodiment. The speaker system 100 includes a
horizontal base 10 and legs 20 for holding the horizontal base 10 horizontally. The horizontal
base 10 has a left speaker 11L, a right speaker 11R, and a center speaker 11C. Preferably, the
left speaker 11L, the right speaker 11R and the center speaker 11C each have at least one
10-05-2019
4
tweeter and at least one woofer. In the illustrated example, the left speaker 11L and the right
speaker 11R each include one tweeter and one woofer. The central speaker comprises a tweeter
and two woofers. The type, configuration, and number of units provided in each speaker can be
appropriately selected according to the purpose. If necessary, at least one duct is provided in at
least one of the left speaker 11L, the right speaker 11R, and the center speaker 11C. By
providing the duct, the sound quality of the low range can be further improved. In the illustrated
example, one duct is provided for each of the left speaker 11L, the right speaker 11R, and the
center speaker 11C. The shape, number, arrangement position, etc. of the ducts can be
appropriately selected according to the purpose.
[0014]
The left speaker 11L, the right speaker 11R, and the center speaker 11C of the horizontal base
10 have their respective speaker unit axes (that is, the centers of the diaphragms of the tweeter
and the woofer) on a straight line in the horizontal direction (on the dashed dotted line H in FIG.
It is arranged to be located in). By adopting such a configuration, it is possible to realize a very
good feeling of movement of sound. As a result, an excellent surround system can be realized
with a simple configuration.
[0015]
The horizontal base 10 functions as an enclosure for the left speaker 11L, the right speaker 11R,
and the center speaker 11C. At the same time, the horizontal support 10 has sufficient
characteristics (for example, strength, width, and stability) to become a large TV support. As a
result of the horizontal base portion 10 having a sufficient size for mounting a large television,
the volume space of the left speaker 11L, the right speaker 11R and the center speaker 11C
becomes large, so the sound quality of these speakers (in particular, The low range can be
significantly improved.
[0016]
The horizontal mount portion 10 includes partition walls 12 which define respective volume
spaces of the left speaker 11L, the right speaker 11R, and the center speaker 11C. The partition
wall 12 also functions as a reinforcing member for the horizontal mount 10, and is given
sufficient strength to be a mounting base for a large television. Preferably, as shown in FIG. 3, the
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5
partition wall 12 is provided obliquely to the axial direction of the speaker. By adopting such a
configuration, the occurrence of standing waves can be reduced. The angle defined by the
partition wall 12 and the axial direction of the speaker (displacement in the oblique direction: the
angle α in FIG. 3) may be appropriately set according to the purpose, but is typically 5 to 45
degrees .
[0017]
Preferably, as shown in FIG. 4, a buffer space 15 is defined between the left speaker 11L and the
center speaker 11C, and between the center speaker 11C and the right speaker 11R. The buffer
space 15 is formed, for example, by providing two partitions 12 each between the left speaker
11L and the center speaker 11C and between the center speaker 11C and the right speaker 11R,
and providing a space between them. obtain. By defining such a buffer space 15, it is possible to
prevent an adverse effect due to the interaction between the speakers, and to obtain a speaker
system having an even better sound quality. Any appropriate sound absorbing material may be
disposed in at least a part of the buffer space 15 as needed. More specifically, the sound
absorbing material may be filled in the entire buffer space 15, or the sound absorbing material
may be attached to the partition wall 12 on the buffer space 15 side. By arranging the sound
absorbing material, the interaction between the speakers can be better prevented.
[0018]
Preferably, as shown in FIG. 3, the horizontal mount 10 further includes a wire housing 13. That
is, all the lead wires on the speakers (the left speaker 11L, the right speaker 11R, and the center
speaker 11C) are wired and accommodated in the horizontal base 10. As a result, the unsightline
that the wiring is exposed indoors is eliminated. The wire housing portion 13 has, for example, a
winding structure (more preferably, a reel structure) 14. By adopting a take-up structure, the
length of the end of the speaker lead wire exposed to the outside of the speaker system can be
adjusted, so the wiring exposed indoors (outside the speaker system) should be minimized. Can.
In addition, since wiring of the speaker (and each device such as an amplifier if necessary) is
completed in the wiring housing portion 13, the user can connect the speaker terminal of the
television to the television side end of the lead wire of the speaker All you need to do is connect
the parts. Therefore, a user-friendly speaker system for a large television with the complexity of
connection eliminated is obtained.
[0019]
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6
The legs 20 have characteristics (e.g., strength and stability) which are sufficient to hold the
horizontal base 10 on which the large-sized television is placed horizontally. The structure of the
legs 20 is not particularly limited as long as the horizontal base 10 can be stably held
horizontally, but preferably, as shown in FIG. 1, the entire sides of the horizontal base 10 are
supported. Such a structure is excellent in retention stability. Furthermore, by making the interior
hollow, the legs 20 can also function as a volume space of the speaker system, or further
speakers and / or various devices can be incorporated (described later).
[0020]
Preferably, the legs 20 may be equipped with additional speakers. The type and configuration of
the speakers mounted on the legs 20 can be appropriately selected according to the purpose.
The speaker may be mounted on one of the legs 20 or both. When both are equipped, both may
be equipped with the same kind of speaker, and may be equipped with a different kind of
speaker. Typically, one of the legs 20 is equipped with a subwoofer. In that case, the other of the
legs 20 may be equipped with an amplifier. By adopting such a configuration, it is possible to
reproduce a more realistic sound field. In addition, the wiring of the equipment with which the
leg part 20 was equipped may also be accommodated in the wiring accommodating part 13 of
the horizontal base part 10. FIG.
[0021]
Although the preferred embodiments of the present invention have been described above, the
present invention is not limited to these embodiments. For example, a speaker may be installed
on the side and / or the back of the horizontal base 10. Also, for example, a damping material or
a sound absorbing material (for example, cork, foamed polyethylene) may be disposed between
the horizontal mount 10 and the leg 20. Also, for example, the leg portion 20 may be used as an
article storage unit without being equipped with any device. Although the partition wall is
provided obliquely in the above embodiment, the partition wall may be provided in parallel with
the axial direction of the speaker. Therefore, the buffer space may also be defined parallel to the
axial direction of the speaker.
[0022]
The speaker system of the present invention can be suitably used as a large television speaker
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7
and / or as a large television rack.
[0023]
DESCRIPTION OF SYMBOLS 10 Horizontal base 11 L Left speaker 11 R Right speaker 11 C
Central speaker 12 Partition 13 Wiring housing part 15 Buffering space 20 Leg 100 speaker
system
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8
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