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JPH075193

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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
financial decisions, should not be based on machine-translation output.
DESCRIPTION JPH075193
[0001]
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a
mounting structure of a speaker box in an electronic musical instrument such as an electronic
piano and an electronic organ.
[0002]
2. Description of the Related Art For example, in an electronic organ, the speaker is generally
mounted toward the player side (front side). According to such a general purpose electronic
organ, the player can play while listening to the performance. On the other hand, although it is a
special form, for example, when performing accompaniment of a song like a school organ, what
attached the speaker to turn to the other side of a performer is also known. According to the
electronic organ for accompaniment, it is possible to make the student etc. on the opposite side
to the performer hear the performance sound with the electronic organ in between.
[0003]
[0003] The general purpose electronic organ and the accompaniment electronic organ require
different speaker boxes, and the speaker boxes are fixed to the respective organ bodies. That is,
the orientation of the speaker once attached is fixed to either the player side or the opposite side
corresponding to the type of the electronic organ (general use or accompaniment), and thereafter
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the player side or the opposite Also can not be easily changed to the side
[0004]
SUMMARY OF THE INVENTION In view of such circumstances, the present invention has an
object to provide a speaker box mounting structure in an electronic musical instrument in which
the direction of the speaker can be easily changed as appropriate.
[0005]
SUMMARY OF THE INVENTION The speaker box mounting structure in the electronic musical
instrument according to the present invention crosses the speaker box rotatably between its side
plates supporting the electronic musical instrument body around its longitudinal axis, The
speaker box can be fixed in the corresponding rotational position so that the mounted speaker
faces the player and the opposite side
[0006]
Particularly, the speaker box is rotatably supported at its both ends via a pair of rotation screws,
and is fixed at a predetermined rotation position by the pair of fixing screws.
[0007]
Further, the rotating screw has a stopper for retaining the screw, and the fixing screw is
removable.
[0008]
According to the present invention, the speaker box attached to the lower side of the main body
of the electronic musical instrument such as the electronic piano and the electronic organ rotates
around the rotation screw as the support shaft, and the speaker box The speaker attached to the
player can be directed to the player or the opposite side.
In that case, the speaker box is fixed at a predetermined rotational position by a fixing screw.
[0009]
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For example, when the performer plays alone, the speaker box is fixed at a position where the
speaker faces the performer, and when performing accompaniment etc., the speaker is on the
opposite side to the performer. Fix in the facing position.
As described above, although the electronic musical instrument is a single electronic musical
instrument, the orientation of the speaker can be freely changed as a general purpose or
accompaniment electronic organ or the like as needed, and the convenience is extremely
excellent.
In that case, the rotation / fixing operation of the speaker box can be easily and accurately
performed, and the handling thereof is extremely easy.
[0010]
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of a
speaker box mounting structure for an electronic musical instrument according to the present
invention will be described below with reference to FIGS.
[0011]
FIG. 1 shows the whole construction of the speaker box mounting structure of the present
invention. In the figure, 1 is a main body of an electronic musical instrument such as an
electronic piano or electronic organ having a large number of keyboards etc. A cover 1 is
attached to 1 so as to be openable and closable, and 3 is a side plate for supporting the main
body 1 from both sides thereof.
Lower ends of the pair of side plates 3 are connected to each other by a base 4.
Further, in the figure, reference numeral 5 denotes a performance pedal, and the performance
pedal is connected to the main body 1.
[0012]
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Further, in FIG. 1, reference numeral 6 denotes a speaker box, which is rotatably mounted
between the side plates 3 around a rotation axis 6a along its longitudinal direction. At both ends
of the speaker box 6, screw holes 7 located on the rotation shaft 6a are formed, and rotating
screws 8 (only one on the left side is shown in the figure) are formed in the screw holes 7. It is
supposed to be screwed together. Further, the side plate 3 is formed with a through hole 9
through which the rotation screw 8 is inserted. A through hole 10 is formed at a position close to
the upper side of the through hole 9 of each side plate 3, and a fixing screw 11 (only one of the
right side is illustrated in the drawing) is inserted into each through hole 10. At both ends of the
speaker box 6, screw holes 12a and 12b are formed on both sides (upper and lower sides) of the
screw hole 7 so that the fixing screws 11 can be screwed.
[0013]
The above-mentioned rotating screw 8 rotatably supports the speaker box 6 at both ends thereof,
and a stopper (not shown) for preventing the drop is attached to the appropriate position thereof.
It is intended to prevent it. Although the fixing screw 11 fixes the speaker box 6 at a
predetermined rotational position, it can be freely inserted and removed.
[0014]
FIG. 2 shows an example of the configuration of the speaker box 6. In the figure, for example, a
pair of speakers 14 is mounted inside the speaker box 6 isolated via the partition wall 13
Description of the detailed structure of 14 is omitted). A grill (hard board) 15 on which a jersey
15 a is attached is attached to the attachment surface 6 b of the speaker 14 in the speaker box 6.
In this case, the grill 15 can be attached using joining means 16 and 17 such as Velcro provided
on the mounting surface 6 b and the inner surface of the grill 15 respectively.
[0015]
At one end of the speaker box 6, for example, as shown in FIG. 3, a wiring portion 18 for
connecting the main body 1 and the speaker 14 is provided. The speaker 14 is electrically
connected to the main body 1 through the speaker wiring 20 from the connection terminal 19
connected thereto. Openings 21 a and 21 b for inserting the speaker wiring 20 are formed in the
wiring portion 18. The openings 21a and 21b are formed in a pair at the top and bottom as in
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the illustrated example, and the speaker wire 20 can be drawn out from any of the openings 21a
and 21b. The speaker wire 20 has a connector 20 a for connection to the main body 1.
[0016]
The speaker box mounting structure in the electronic musical instrument according to the
present embodiment is configured as described above, and its operation will be described next.
The speaker box 6 is horizontally supported by rotation screws 8 at its both ends, and the fixing
screws 11 are fixed at predetermined rotation positions by screwing with either of the screw
holes 12 a and 12 b. For example, as shown in FIG. 3, when the fixing screw 11 is screwed into
the screw hole 12a, the speaker box 6 is fixed so that the speaker 14 faces the player.
[0017]
By fixing the speaker box 6 so that the speaker 14 faces the performer in this manner, as shown
in FIG. 4, the performer listens to the performance sound, for example, as a general purpose
electronic organ. I can play it. In this case, since the speaker box 6 is securely fixed at a
predetermined position by the fixing screw 11, the electronic musical instrument can be used in
the same manner as a conventional general purpose electronic organ (speaker box fixed type). it
can. And, in this case, the speaker wiring 20 is pulled out from the speaker box 6 through the
opening 21 a and connected to the main body 1 by the connector 20 a.
[0018]
Next, the case of switching from the form as a general purpose electronic organ to the form of an
accompaniment electronic organ will be described.
[0019]
In this case, the rotation screw 8 is first loosened, and the fixing screw 11 is removed.
As a result, the speaker box 6 can be rotated around its rotation axis 6a, but as described above,
the rotation screw 8 has a stopper for preventing removal, so the danger of the speaker box 6
falling is Not at all. Thus, the safety is sufficiently secured in use. Then, the connector 20a is
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removed from the main body 1, and the speaker box 6 is rotated by 180 ° around its rotation
axis 6a. In this case, it may be rotated in either direction as shown by the double arrow in FIG.
Incidentally, as shown in FIG. 4, a fixed gap G is set between the speaker box 6 and the shelf
board so that the speaker box 6 does not interfere with the shelf board during its rotation.
[0020]
Further, the fixing screw 11 is screwed into the screw hole 12b, and the speaker box 6 is fixed so
that the speaker 14 faces the side opposite to the player. In this case, the speaker wire 20 is
pulled out from the speaker box 6 through the opening 21 b and connected to the main body 1
by the connector 20 a. Since the speaker wires 20 can be taken out from two directions through
the opening 21a or the opening 21b according to the direction of the speaker box 6, the rotation
of the speaker box 6 can be effectively coped with. By fixing the speaker box 6 such that the
speaker 14 faces the opposite side to the performer in this manner, as shown in FIG. 4, for
example, as an electronic organ for accompaniment, the student etc. on the other side of the
performer You can play the electronic organ while listening to the performance sound.
[0021]
As in the above working example, it is possible to easily and accurately switch to a general
purpose electronic organ or an accompaniment electronic organ by a simple operation of
inserting and removing the fixing screw 11 and rotating and fixing the speaker box 6 In the
above case, it is possible to play the role of one or two, which is extremely convenient, and in the
above case, the example of switching from the form of the general purpose electronic organ to
the form of the accompaniment electronic organ has been described. In the case of switching
from the organ to the general purpose electronic organ, it is of course possible to easily perform
the switching operation as described above.
[0022]
In the above embodiment, the fixing screw 11 is screwed into the screw hole 12a to direct the
speaker 14 to the player side. However, any screw hole of the fixing screw 11 may be used.
Whether the speaker 14 faces the player in this way when screwed with 12a or 12b can be set in
advance as appropriate.
For example, the speaker 14 may face the player by screwing the fixing screw 11 with the screw
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hole 12 b. Further, although the example in which the fixing screws 11 are provided as a pair on
both sides of the speaker box 6 has been described, it may be provided more. Furthermore, even
in the case of a single fixing screw 11, the speaker box 6 can be fixed at a predetermined
position.
[0023]
As described above, according to the speaker box mounting structure of the present invention,
according to the electronic musical instrument of this type, the general purpose electronic organ
or the accompaniment for the accompaniment may be used as needed depending on the playing
place, time, etc. Two types of electronic organs can be easily realized. In that case, it has the
advantage that the switching operation for changing to any type or form can be performed
simply and accurately, and the handling is extremely easy.
[0024]
Brief description of the drawings
[0025]
1 is an exploded perspective view of one embodiment of the speaker box mounting structure of
the electronic musical instrument of the present invention.
[0026]
2 is an exploded perspective view of the speaker box according to the speaker box mounting
structure of the electronic musical instrument of the present invention.
[0027]
3 is a perspective view of the main part of the speaker box.
[0028]
4 is a side view showing an example of use of the electronic musical instrument according to the
present invention.
[0029]
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Explanation of sign
[0030]
DESCRIPTION OF SYMBOLS 1 main body 2 cover 3 side plate 4 base 5 performance pedal 6
speaker box 6a rotary shaft 7 screw hole 8 rotation screw 9, 10 through hole 11 fixing screw
12a, 12b screw hole 13 partition 14 speaker 15 speaker 15 grill 16, 17 joining means 18 Wiring
part 19 Connection terminal 20 Speaker wiring 21a, 21b Opening
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