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Patent Director General Secretary Saito Hideo Title of Invention Invention ?Pipe-Speaker Device
1? ? ? Patent Assignee Same Name Patent Applicant (1 ░ Location 433 corps 708 Mu 77 M
in Nishi Okubo, Shinjuku ward Tokyo) Name Shonai Watanabe ..., door ...-'' 5j ": Pelican Building
6F Name (664'l) Patent Attorney Hoshino Kouji-Telephone 03 (431) 8111 (representative) ?
Japan Patent Office Open Patent Gazette ? JP 50-39924-Administrative number ? 165 Patent
application title pipe-speaker device name pipe-speaker device
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to improvements in
pipe-speaker devices. Generally, if music played on an electronic musical instrument or the like is
streamed from a speaker as it is, it is far from natural sounds. One way to solve this problem is to
have one or a plurality of speakers in a hollow case, and a large number of resonance pipes with
different scales from the face recording case to be planted, and the sound from the speakers is
desired A + ffl pipe speaker system is known where a pipe is resonated and sent out. The prior
art is shown in FIG. In the figure, 1 is a hollow case or speaker box, 2.2 'is a speaker for bass and
treble disposed inside the speaker box 1, 3 is a part of the upper part + a of the speaker box 1
and planted. It is a number of standing resonance pipes. However, as is apparent from FIG. 1, in
the conventional pipe-speaker device of this type, the sound from the speaker is only sent out
from one port of the pipe embedded in the speaker box. The utilization rate of the sound coming
out of the vehicle is extremely poor, and there is also a drawback that the speaker is damaged
when trying to increase the volume. In order to solve the above-mentioned problems, the
applicant first cuts a slit in the surface of the speaker box and arranges a plurality of nine
resonance pipes so as to face the slit. EndPage: A row is provided with openings at opposite
positions, and the sound sent from the speaker is discharged through the slit on the speaker box
side and the openings on the resonance pipe side through the openings in both the upper and
lower sides of the pipe We have proposed a pipe-speaker device to increase the utilization rate of
The present invention improves the utilization of sound by providing a rotary plate in the
speaker box of such a pipe / speaker device as well as in the speaker box, and further improves
the sound effect as compared with the conventional device of this type. To provide a pipespeaker device. Hereinafter, the contents of the present invention will be described in detail by
the illustrated embodiments. 2 and 3 show an embodiment of a pipe-speaker device according to
the present invention, and FIG. 2 is a partially cutaway perspective view of the device viewed
from the back side, and FIG. 3 is a longitudinal sectional view thereof. . In the figure, 1 is a
speaker box, 2 is a speaker, and 3 is a resonance pipe as in the case of steaming in place in FIG. A
slit 4 elongated in the lateral direction is pierced on the surface of the speaker front box 19 so
that the sound of the speaker 2 can be transmitted from the slit 4-. Further, a rotation -t5 which
is rotated by the motor 7 through the shaft 6 is disposed inside the speaker box l.
The rows of the resonance pipes 3 are arranged to face the speaker box 10 and the slit 4, and
holes (openings) 8 are provided on the wall of each pipe facing the slits 4. Each row of resonance
pipes 3 is locked by means of screws 9 to a suitable support plate IO. Although not shown in the
drawing, the support plate lO to which this resonance pipe row is attached is fixed to the speaker
box 1 by suitable metal fittings. In addition to the function of concealing the speaker box I and
the resonance pipe 3 from the listener, this supporting plate also has the function of a decorative
member of the device by providing an appropriate decoration on the front surface thereof. Well,
the sound of the speaker 2 comes out from the slino 4 of the speaker box 1 and is led into the
pipe from the hole 5 on the side of the pipe 3 facing the slit 4 and resonates up and down for
two minutes. It is sent from both the upper and lower mouth of the b pipe. At this time, by
rotating the rotary plate 5 by the motor 7, the sound transmitted from the resonance pipe 3
becomes strong and weak. Well, it has the same effect as tremolo. Although the illustrated
embodiment is an example in which a hole is provided in the wall of the pipe facing the slit of the
speaker box, and the sound from the single slit is guided to the pipe by the hole, two resonance
pipes are provided. The same function and effect can be expected even if the gap is arranged
linearly in the vertical direction and a gap is provided between the two, and the gap is made to
face the slit of the speaker box. In this case, the upper and lower pipes are held by changing the
diameter into one. Further, if necessary, a slit may be provided on the back of the speaker box to
make it possible to discharge unnecessary sound from the slit. As apparent from the above
description, the present invention is disclosed. According to the pipe-speaker device, the
utilization of the sound emitted from the speaker can be improved and the sound effect can be
expected to be improved as compared with the conventional device of this type.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a prior art example of a pipe-speaker device,
FIG. 2 is a partially cutaway perspective view of an embodiment of the device of the present
invention, and FIG. 3 is a longitudinal sectional view of FIG. 1 song иии speaker box, 2 taps и song
speaker, 3 и и и mountain и resonance pipe, 4 и и и song slit, 5 и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и
и и и и и и и и Opening. Patent applicant Akira Watanabe agent agent Koji Hoshino EndPage: 2 Fang 1
figure List of attached documents (1) Specification 1 (2) Drawing 1 1 EndPage: ?
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