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JPS52143929

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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 JPS52143929
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 and FIG. 2 are a partially cut longitudinal
sectional view of an embodiment of a speaker apparatus according to the present invention, and
a cross sectional view taken along the line --- of FIG. These are the perspective views which show
the state which accommodated the said speaker apparatus in the speaker storage box. Reference
Signs List 1: Speaker device 2: Speaker box 3: Speaker 4: cylindrical side wall 4a: opening 5:
supporting member 5a, 10a: hole , 6 · · · housing · 6a · · · peripheral portion, 6b, 8a · · · · · · · · · · · · ·
· · · · · · · 8 · Drone cone, 9 · · · speaker storage box, 10 · · · -Base plate, 14a to 14d ... cloth.
Detailed description of the invention: In the case of a non-inventive speaker device, the opening
portion is inserted into the cylindrical surface of the speaker box having a circle 1liI shape, and
the support member is inserted with the speaker inserted through the opening portion. An object
of the present invention is to provide a speaker device having a configuration in which a speaker
is provided on am of a cylindrical speaker box by mounting. Conventionally, a speaker device
having a cylindrical speaker box, mounted at the upper or lower end of the cylindrical speaker
box facing all the speakers above or below, and the sound radiated upward or downward is
reduced The front of the speaker was made to face the front face of the speaker in order to make
it repress (1) 52)-(a throat, ≧ 2 二 2 、, I and a conical diffuser was attached). However, in the
conventional speaker device of this type, the speaker mounting position is biased to the upper
and lower ridges of the speaker box, and the sound pressure of the speaker received by the box
is higher at the upper and lower portions of the speaker box. Because of the difference, it had the
disadvantage that a good sound could not be obtained. The above problems are eliminated, and
one embodiment will be described with reference to the drawings. 1 and 2 are a partially cut
longitudinal sectional view and a cross-sectional view taken along the line 1-1 of an embodiment
of a speaker device according to the present invention. The speaker device 1 is generally
configured with a cylindrical speaker box 2 and a plurality of speakers 3. The speaker box 2 is a
so-called paper tube having a cylindrical wall 1114t-made of a predetermined thick paper and
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having a cylindrical wall 1114t, and an opening 1114a is provided at a substantially central
position of the side 1 of the wall. 5 is a support member made of plastic snacks and has a circular
hole 5a toward the Fill, and is attached to the outer peripheral surface of the billet portion 4 by
bolting and covering the opening sAa and (2) by adhesion (p) B. In this case, the circular hole 5a
and the opening 4a are substantially concentric. The speaker 5 is fitted with the circular hole 5aK
of the support member 5 outside the housing 6 with the external RN 6m and inserted
substantially in its entirety through the opening fi 14a and stored in the speaker box 2 circle. The
outer peripheral edge s6b is attached and fixed to the front surface of the support member 5
with a screw 7. In this case, the 111 face of the speaker 5 protrudes outward from the outer
peripheral surface of the llll portion 4 and the road surface or slightly from this. The wedge 8 is a
drone cone, and is fitted to the lower blade opening of the speaker box 2 and distributed, and its
outer peripheral edge 8 at-screwed to the peripheral edge of the hole 10a of the storage box 90
base plate 10 described later ing. Therefore, when the speaker device 111 is stored in the
storage box 9 circle, the speaker device 1 is supported by the outer edge 8a of the anchor 8 as
shown in FIG. The opening S is closed by the upper plate 11 of the storage box 9.
Therefore, according to the speaker device 1 configured as described above (3), the speaker 6
and the speaker 6 are at the middle height position of the cylindrical speaker box 2 as described
above. Are subjected to approximately the same level ot pressure. As a result, the sound pressure
acts uniformly over substantially the entire surface of the speaker box 2 and good tt- can be
achieved. FIG. 3 is a perspective view showing a state in which the above-mentioned speaker
device fIL1 is stored in a speaker storage box for use. The base plate 10 and the upper plate 11
are attached and fixed to the storage pocks X9 fz, 4 @ square columns + 2a to 12 d (not shown)
arranged in a square shape, and the rear plate-Illi mineral plate 15 And if it is another three-one
line Saran +1! The cloths 14a to 14c are used. When the speaker device 1 is stored in the storage
box 9, the speaker device 1 is inserted from the lower side of the roof plate 100 into the hole
10a shown in FIG. 7F 如 (fixed to base plate 10). Below the ceramic drone cone 8, the abovementioned fabric 14 d is stretched parallel to the front surface of the drone cone 8. (4) Ceramics
In the above embodiment, the speaker device 1 is provided with one speaker 5, but a plurality of
the speakers 5 may be vertically arranged without limitation. Good. In the above embodiment,
the material of the speaker box 2 is cardboard, but the material is not limited to n. Other
materials such as wood and plastic may be used as long as the material is used. Although the
droncho 78 is provided in the speaker device 1 in the ceramic or the above-described
embodiment, the speaker device 1 may be directly mounted on the plywood 10 without
providing the dangko 78. Since the speaker box 2 is made of cardboard in this embodiment, it
has a sound absorbing effect, but the box 2 yen may be filled with a sound material such as
Dallas wool to further enhance the sound absorbing effect. As described above, the speaker
device according to the present invention is provided with an opening at a predetermined
position of the cylindrical wedge surface of the cylindrical speaker box, and the speaker is
inserted by the support member in a state where the speaker is inserted through the opening.
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Since the speaker box is attached to the cylindrical 罐 surface of the speaker box, the speaker box
has a system extending over the entire inner surface as compared with the case where speakers
are attached to the upper and lower portions of the conventional circular (5) cylindrical speaker
box Since the sound pressure acts substantially uniformly, it has features such as good sound
production.
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