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JPH07177592

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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
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DESCRIPTION JPH07177592
[0001]
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a
removable speaker system which can be used for a display device using a cathode ray tube or the
like used for an output display device in a television receiver or computer equipment.
[0002]
2. Description of the Related Art A display device for outputting an image or the like in a
television receiver or computer equipment using a cathode ray tube or liquid crystal (hereinafter
collectively referred to as "CRT device") has a built-in speaker. Things are used. Above all, CRT
devices for computers in recent years are spreading to the world of audiovisuals including voice
and music as well as image display.
[0003]
However, the speaker incorporated in the conventional CRT device for a computer is small in size
in relation to the CRT device, and the speaker used in audio equipment in terms of performance
and The present situation is that there is a significant difference. Therefore, when a speaker is
added to the CRT device, a speaker box incorporating a small speaker is disposed on the side of
the CRT device, or the CRT device is processed and the speakers are attached by screws or the
like. When adding speakers to such a CRT device, mere placement of the speaker box requires a
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place to place the speaker box, which is not appropriate in the case of limited space. Moreover,
since the additional speaker box is usually smaller than the CRT device at the right and / or the
left of the CRT device, the sound of the speaker is emitted below the ear for the person operating
the CRT device. Even not good, can not get a sense of stereo. Also, the method of processing the
mounting portion on the CRT device is practically impossible because the mounting is extremely
difficult and expensive unless it is done by a professional engineer.
[0004]
SUMMARY OF THE INVENTION It is an object of the present invention to provide a detachable
speaker system capable of adding a desired speaker to a CRT device by an extremely simple and
easy means.
[0005]
SUMMARY OF THE INVENTION In order to achieve the above object, a detachable speaker
system according to the present invention comprises a speaker box mounted on a mounting
member having a locking piece for locking to a display device using a cathode ray tube or the
like. A pair of left and right speaker units attached to each other, and a string member for
connecting the left and right pair of speaker units to each other and attaching them to the
display device.
[0006]
In the present invention, a display device to which a pair of left and right speaker systems are
attached means a display device (CRT device) for outputting an image or the like in a television
receiver using a Braun tube or liquid crystal, or a computer device.
Such a CRT device is generally in the form of a cube whose front is rectangular or square, and
this speaker system is disposed on the left and right of such a cube-shaped CRT device.
[0007]
In each of the speaker units, a speaker box is attached to a mounting member to a display device
so that directivity of the speaker can be changed. Specifically, the speaker box is mounted on a
vertical leg portion of a mounting member having an L-shaped cross section. Is mounted so that
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the directivity of the speaker can be changed.
As another example, the vertical leg of the L-shaped cross-section mounting member is provided
with a mounting portion extending in the direction opposite to the horizontal leg, and the
speaker box has a directivity of the speaker in this mounting portion. It can be mentioned that it
is mounted to be variable.
[0008]
The mounting members constituting the speaker unit are respectively attached to upper left and
right upper portions of the front face of the CRT device, and basically, the metal or synthetic
resin cross-section is an L-shaped member, and the speaker box is Is mounted on the vertical leg
of the L-shaped member in contact with the side of the CRT device. Also, the horizontal leg of the
L-shaped member in contact with the upper surface of the CRT device serves as a locking piece
for locking the mounting member to the CRT device and is disposed at the left and right upper
corner portions of the CRT device An engagement portion is provided to attach the string
members for connecting the speaker units to each other. Furthermore, anti-slip members are
attached to all or part of the portion of the attachment member that abuts on the CRT device.
[0009]
A cord member for mutually connecting a pair of speaker units disposed on the left and right of
the CRT device is made of a wire or a belt, and the length is freely adjusted in accordance with
the size of the CRT device to be attached. Preferably it can be adjusted. In particular, when the
cord member is formed of a belt, surface fasteners are attached to the back surfaces of the left
and right front end portions of the belt, and the front end portion of the belt is inserted into the
engagement hole formed in the engagement piece of the mounting member. The length can be
freely adjusted by folding and engaging the surface fasteners with each other.
[0010]
In the detachable speaker system according to the present invention, since the pair of attachment
members to which the speaker box is attached is connected by the cord members, the cord
members are mounted on the upper surface of the CRT device to be attached. A speaker can be
simply added to the CRT device by disposing the mounting members, which are connected to the
left and right ends of the cord members, on the left and right side portions of the CRT device.
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[0011]
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The preferred embodiments of the
removable speaker system of the present invention will be described in detail with reference to
the attached drawings. However, the present invention is not limited to the preferred
embodiments unless the gist of the present invention is changed.
As shown in FIG. 1, the speaker system 1 of the present invention is a pair of speaker units 4a
and 4b in which a speaker box 3 having a built-in speaker is mounted on a mounting member 2
having a locking piece 2a for locking to a CRT device 10. And a string member 5 for fixing the
pair of speaker units 4a and 4b to each other and fixing them to the CRT device 10.
[0012]
The speaker units 4a and 4b have the speaker box 3 attached to the mounting member 2 having
an L-shaped cross section in which the horizontal legs are the locking pieces 2a to the CRT
device 10, as shown in FIG. The speaker box 3 incorporates a speaker 3a as shown in FIG. The
mounting member 2 is formed of a metal fitting having an L-shaped cross section, and the
horizontal leg is used as a locking piece 2a for locking on the upper surface of the CRT device 10,
and the vertical leg 2b is used for the speaker box 3. It is set as an attachment part, and it is a
left-right paired thing in which the engagement hole 2c was formed in the said locking piece 2a.
[0013]
The speaker box 3 is attached to the vertical leg 2b of the mounting member 2 by, for example,
bulging a part of the leg 2b outward as shown in FIG. After inserting the bolt 6 so that the head
portion 6a is contained in the bulging portion, the shaft portion protruding to the outside of the
leg portion 2b is penetrated through the speaker box 3 and the tip portion of the bolt 6
protruding from the speaker box 3 The nut 7 is engaged. Therefore, by loosening the nut 7, the
speaker box 3 is pivoted up and down with the bolt 6 as a fulcrum, so that the directivity of the
speaker 3a can be changed to the best condition for the operator.
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[0014]
The cord members 5 for connecting the pair of left and right speaker units 4a and 4b are made
of a wire, and the tip of this wire is engaged with the engaging hole 2c formed in the locking
piece 2a of the mounting member 2 respectively. However, in order to secure the locking
between the locking piece 2a of the mounting member 2 and the CRT device 10, it is preferable
to use the tip of the locking piece 2a bent upward as shown in FIG. .
[0015]
In the speaker system 1 having such a configuration, as shown in FIG. 1, the tip of the cord
member 5 is formed in advance on the locking piece 2a of the mounting member 2 constituting
the pair of left and right speaker units 4a and 4b. With the corner of the mounting bracket 2 in
contact with the inside of the hole 2c, the locking piece 2a is in contact with the top of the CRT
device 10, and the leg 2b is in contact with the side. After mounting, the speaker members 4a
and 4b are attached to the upper part of the CRT device 10 by adjusting the cord members 5 in
accordance with the lateral length of the CRT device 10.
At that time, each speaker unit 4a, 4b is pulled downward by its own weight, but the locking
piece 2a of the mounting member 2 is firmly in contact with the upper surface of the CRT device
10, and the left and right speaker units 4a, 4b Since they are connected by the member 5, they
can be stably held on the top of the CRT device 10. The speaker units 4a and 4b can be stably
held on the upper portion of the CRT device 10 by sticking the non-slip member 8 to the back of
the long leg 2b of the mounting bracket 2 and the locking piece 2a. be able to. The speaker
system 1 can be easily removed from the CRT device 10 by holding the left and right speaker
units 4a and 4b and lifting them upward.
[0016]
In the speaker unit 4c shown in FIG. 5, the mounting portion 2c extending in the opposite
direction to the locking piece 2a is integrally formed at the tip of the leg 2b of the L-shaped
member having the locking piece 2a. The formed cross section uses the substantially Z-shaped
mounting member 2, and the locking piece 2a of the mounting member 2 is provided with a
rectangular engagement hole 2c for inserting a cord member made of a belt. A speaker box 3 in
which a speaker is built in the mounting portion 2d is provided so as to be rotatable in the
horizontal direction. The attachment of the speaker box 3 to the attachment member 2 is not
limited to the two embodiments described above. The speaker box may be attached in a fixed
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state, or may be made variable in any direction by a universal joint.
[0017]
As shown in FIG. 6, a belt is used to connect the pair of left and right mounting members 2 and 2
to each other, and a surface fastener 5a is provided on the back of the front end of the belt and
the engagement hole 2c is inserted. The front end portion of the belt is folded inward, and by
engaging the surface fasteners with each other, the cord member 5 and the mounting member 2
are engaged, and the length can be freely adjusted.
[0018]
Furthermore, when attaching the pair of left and right speaker units to the CRT device 10, as
shown in FIG. 7, the cords 5 connecting the left and right mounting members 2 and 2 to each
other are integrated with the small amplifier 9 By placing the speaker unit on the upper surface
portion of the speaker unit, the holding of the speaker units arranged further to the left and right
can be stabilized, and an extra place for installing the amplifier can be eliminated.
[0019]
According to the present invention, a detachable speaker system comprises a pair of left and
right speaker units having a speaker box having a built-in speaker attached to a mounting
member having a locking piece for locking with a CRT device; Since the speaker unit is composed
of cord members, the attachment members are engaged with the left and right upper surface
portions of the CRT device using the engagement pieces, and the attachment members are
attached by the cord members. By connecting, the desired speaker can be simply and easily
added to the CRT device.
[0020]
In particular, the removable speaker system of the present invention does not require any special
processing for attaching the speaker when adding the speaker to the CRT device, and anyone can
easily attach it, and the length of the member is long. It is possible to attach it to a CRT device of
any size by adding a size adjustment function, and by providing the mounting member so that
the directivity of the speaker incorporating the speaker box can be changed, the sound radiation
direction can be freed. The sound field can also be adjusted.
In addition, when adding a speaker system to a CRT device, the speaker position is located above
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the CRT device without requiring a special place for installing the speaker, so the speaker faces
the position of the operator's ear facing the CRT device. As a result, it is possible to listen to a
better quality sound and to provide it at a low price, and has many practical advantages.
The removable speaker system of the present invention can be easily used as a surround speaker
by being attached to an existing television receiver.
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