JPS5917590A - Input unit for electronic musical instrument - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a human-powered device for an electronic musical instrument that uses breathing as an input means.

In recent years, electronic keyboard instruments have been actively developed, but since these types of instruments use hands and feet as input means, they often require operating techniques, making them difficult for beginners to play. .

The present invention has been made in view of the above circumstances, and its purpose is to provide an input device for an electronic musical instrument that allows even beginners to easily perform with full force using breathing as an input means.

An embodiment in which the present invention is applied to an electronic harmonica will be described below with reference to FIGS. 1 to 3. FIG. 1 shows a state in which an electronic harmonica is connected to a mini-Satsuma keyboard electronic musical instrument. In this figure, 1 is the electronic harmonica, and 2 is the mini-keyboard electronic musical instrument. The electronic harmonica 1 includes a scale designation hole 6 for selecting and designating a scale by breathing with the mouth;
The keyboard includes a keyboard section 4 in which keys are arranged in the order of musical scales.

The mini-keyboard electronic musical instrument 2 also includes a keyboard section 51, a mode switching section 6, a tone selection section 7, a speaker section 8, and the like. The keyboard section 5 has button keys arranged in musical scale order corresponding to white keys and black keys, the mode switching section 6 is a switch for switching between off mode, hand mode, and mouse mode, and the tone selection section 7 is a switch for switching between off mode, hand mode, and mouse mode. The speaker section 8 is a switch group for selecting and specifying a musical tone.

The electronic harmonica 1 and the mini-keyboard electronic musical instrument 2 are electrically connected by a connecting line 9.

Further, the scale designation hole section 6 of the electronic harmonica 1 is constructed as shown in FIG. 2. That is, the scale specifying hole portion 6 is formed by forming exhalation holes 11 and intake holes 12 in an alternate arrangement in the harmonica body 10.

As shown in FIGS. 2(A) and 2(B), the exhalation hole 11 is
This is a rectangular cylindrical penetrating hole formed in the harmonica body 10, and a magnet 16 having a circular cross section (cylindrical shape) is disposed within the hole 11. This magnet 16 is connected to the storage hole 11
A protrusion 11a formed on the inner wall of.

1ib according to the flow of air caused by exhalation. Furthermore, four storage parts 14, 15 are formed on the outside of the harmonica main body 1o, facing each other with the exhalation hole 11 in between. The storage recess 14 is located on the lower side of the harmonica main body 10, and is formed between the projections 11a and 11b.

An iron piece 16 is disposed within the four storage parts 14. This iron piece 16 is placed on the side where air flows in (left side in the figure), and holds the magnet 16 in a predetermined position, that is, in a protruding position.

It is held on the originating side. On the other hand, the four storage parts 15
are located on the upper side of the harmonica body 1o, and are formed along the left and right sides of the protrusion 11b. Inside this storage recess 15,
A swing plate 17 that is attracted by the magnet 13 that is rolled against the holding force of the iron piece 16, and a fixed contact 18 that comes into contact and conduct when the swing plate 17 is pulled are provided.

The swing plate 17 has an elongated strip shape, and its right end is attached to a mounting base portion 17a, and its left end is spaced apart above the fixed contact 18.

Therefore, since the magnet 16 is normally held by the iron piece 16 as shown in FIG. 2(B), the swing plate 17 is not attracted to the fixed contact 18 by the magnet 16 and does not come into contact with it. Also, when air flows into the exhalation hole 11 due to exhalation and the magnet 16 rolls inside the exhalation hole 11 against the iron piece 16 due to this air flow, the oscillating plate moves as shown in FIG. 2(0). The left end of 17 is attracted to the magnet 16,
It comes into contact with the fixed contact 18 and is electrically conductive.

On the other hand, as shown in FIGS. 2([)) and (K), the intake hole 12 is located in the opposite left and right directions (in the figure, it is vertically Opposition)
It is located in In this case, the storage recess 22 that stores the rocking plate 20 and the fixed contact 21 is inserted into the storage recess 15 of the exhalation hole 11 along the longitudinal direction of the harmonica body 10, as shown in FIG. 2(D). On the other hand, they are arranged alternately in an uneven pattern. Therefore, the rocking plate 20 of the intake hole 12 is attracted by the magnet 23 rolling inside the intake hole 12 according to the flow of air caused by the intake air, and comes into contact with the fixed contacts 21-H, making the fixed contacts 21 conductive. It is designed to let you do so. In FIG. 2, reference numerals 10 & 10b are lids of the harmonica body 10, and a substrate (not shown) is disposed between the lid 10a and the harmonica body 10.

In addition, the above electronic harmonica 1 and the above mini keyboard electronic musical instrument 2
The circuit breakdown is shown in Figure 3. That is, this circuit includes each of the fixed contacts 18..., 21...
a harmonica main body 10 that outputs the contact signal as a scale designation signal 24, a keyboard section 5 that selects and designates a scale with fingers and outputs a scale data signal 25, and a mode switching section 6 that designates switching modes and outputs a mode signal 26. , an OPU (central processing unit) 27 to which each of the above-mentioned signals 24.25°26 is input and outputted as a data signal 27a, and a cm(7)O
A musical tone creating section 28 that creates musical tones based on the data signal 27a of the PU 27, an amplifier section 29 that amplifies the musical tone signal 28a output from this musical tone creating section 28, and this amplifier section 2.
and a speaker section 8 which generates musical tones based on the signal 29 & outputted from the speaker section 9.

Next, the operation of the electronic musical instrument configured as described above will be explained. First, when a performance is to be performed using the scale specifying hole section 6 of the electronic harmonica 1, the mode switching section 6 is set to the mouse mode and the mode signal 26 is inputted to the OPU 27 in advance. In this state, put your mouth on the scale designation hole 6, and the exhalation holes 11 and the intake holes 1 arranged alternately in the order of the scale.
2. Breathe through the desired hole. At this time, for example, when breathing through the exhalation hole 11 shown in FIGS. 2(A) and 2(B), air flows into the exhalation hole 11 due to the exhaled air, and this air flow causes the magnet 16 to maintain a holding force with the iron piece 16. 21 J (B), (CI
)reference).

When the magnet 16 rolls in this way, the swing plate 17 moves the magnet 1
6, its left end is pulled in, contacts the national contact point 18, and conducts. Then, the contact signal output from the fixed contact 18 is output from the harmonica body 1o to the optr 27 as a scale designation signal 24. In this way, scale specification signal 2
4 is manually input to 0PU27, the data signal 27a is output from 0PU27 to musical tone creation section 28, and this musical tone composition #J
A musical tone is created in the section 28, and a musical tone signal 28 is sent to the amplifier section 29.
a, and a signal 29 & amplified by the amplifier section 29 is input to the speaker section 8 . As a result, the speaker 81S
8, a predetermined musical tone, that is, a musical tone of a scale corresponding to the exhalation hole 11 is emitted.

Further, for example, when breathing through the intake hole 12, the magnet 26 rolls within the intake hole 12 due to the flow of air caused by the intake air, and the swing plate 20 comes into contact with the fixed contact 21. Then, as described above, the scale designation signal 24 corresponding to the fixed contact 21 is output from the scale designation hole 6 to the aptr 27,
A predetermined musical tone is emitted from the speaker unit 8 via the above-mentioned route.

Furthermore, in the above electronic musical instrument, when the electronic harmonica 1 and the mini keyboard electronic musical instrument 2 are operated at the same time,
Each signal 24.25 from the harmonica body 1o and the keyboard section 5
is manually input to 0PU27, musical tone creation section 28, amplifier section 29
Each musical tone is simultaneously sounded from the speaker section 7-8 via the speaker section 7-8. Therefore, for example, a melody can be played on the electronic harmonica 1 and accompaniment can be provided on the keyboard section 5 at the same time.

In this manner, according to the electronic harmonica 1, since breathing is used as an input means, even beginners can easily and easily perform input performance using the same rendition technique as a natural musical instrument using the conventional respiration rendition method.

Next, another embodiment of the present invention will be described based on FIG. 4. In this embodiment, the exhalation hole 61 of the electronic harmonica 60...
・Each rocking plate 36.6 corresponding to V&pore 62...
A plurality of fixed contacts 65, 66 are provided, and a plurality of contact signals are transmitted from each of these fixed contacts 65, 36.
is configured to print. That is, the exhalation hole 61
The intake holes 62 are alternately arranged in the harmonica body 67 in the same manner as in the above embodiment. The exhalation hole 61
As shown in 4th mh >
8 is placed. This magnet 38 moves between the protrusions 51a and 3jb formed on the inner wall of the exhalation hole 61 by exhaled air.
− It rolls according to the flow of air. In addition, four storage parts 59, 40 are provided on the outside of the harmonica body 67, and the exhalation holes 6
1 in between. This is rv4! ralt
A [! 1869.40(7)'ll? 5, rateaw
tram '69 has the above protrusion 51 a e 5
The iron piece 41 is disposed inside the protrusion 61 and is formed to correspond to the space between l and b and is biased towards the protrusion 61&. On the other hand, the upper four storage parts 40 have respective protrusions 51a and 61b.
First, second, and third rocking plates 66a are formed approximately in correspondence with each other, and are attracted by a magnet 68 that rolls against the holding force of the iron piece 41 inside the rocking plates 66a.

55b+55o, and each rocking plate 33ae and 33b.

The first and second contacts contact and conduct when 65a is pulled.
, third fixed contacts 35a, 55b, and 55G are provided, respectively. In this case, each of the rocking plates gas 66b
, 650 and each fixed contact 65a.

35b and 550 are arranged in order from the right side along the transfer direction of the magnet 68. Therefore, each of the fixed contacts 55 &
, 65b, 55Q, the magnet 68 is connected to the fourth
1J (B), each swing plate 66a is held as shown in FIG. 4(0).

55b and 55c are separated, and the magnet 68 rolls against the holding force of the iron piece 41 according to the flow of air due to exhalation, and the first swing plate 66& is attracted by the magnet 68. When the first fixed contact 55a conducts and outputs the first contact signal, and when the magnet 68 further rolls and the second swing plate 33b is attracted, the second fixed contact 35b conducts, outputs the second contact signal, and further magnet 6
8 was transferred and moved to the 3rd office as shown in Figure 4 (D) and (E).
When the swing plate 66G is pulled, the third fixed contact 65o becomes conductive and outputs a third contact signal.

On the other hand, the above g & stomata 2 are shown in Fig. 4 (A), (F>,
(As shown in G>, the iron piece 42, the swing plate 64, and the fixed contact 66 are arranged horizontally opposite to the exhalation hole 61 (vertically opposite in the figure). Also in this case.

The swing plate 64 and the fixed contact 66 are connected to the exhalation hole 6.
1, each of the first, second, and third rocking plates 64
't 64 b e! l 4 c, first, second,
The third fixed contacts 56'e, 66bt, and 360 are arranged in the transfer direction of the magnet 46.

Therefore, when the magnet 46 rolls against the holding force of the iron piece 42 due to inhalation, the rM air hole 2
1, each swing plate 64a.

34b, 64a are sequentially connected to each fixed contact 56a, 36b.

56Q to output the first, second, and third contact signals.

In the electronic harmonica 60 configured in this way,
In addition to having the same effect as the embodiment described above, a plurality of rocking plates 63 are provided corresponding to the exhalation holes 61 and the intake holes 62, respectively.
a, 71b, 530% 34a.

34b, 34Q and each fixed contact 6ba, 55b.

Since 55QS 36a, 36b, and 360 are provided, different contact signals are output depending on the strength of exhalation or inspiration, and these different contact signals are used as volume control signals.
7, a musical tone whose volume is controlled can be generated from the speaker section 8 via the musical tone generating section and the amplifier section 29. Therefore, according to the electronic harmonica 60, beginners can easily perform the harmonica manually, and the volume can also be controlled by adjusting the strength of breathing, thereby further enhancing the performance effect.

In each of the embodiments described above, the exhalation holes 11.51 and the intake holes 12.32 are arranged in one row, but they may be arranged in two or more rows. Further, derived sounds may also be specified.

Further, the present invention also provides an electronic harmonica 1 as described above,
The present invention is not limited to 60, but can be widely applied to other blowing instruments such as vertical flutes and horizontal flutes. Furthermore, the sound generation circuit such as the musical tone generation section may be used as an external instrument, or may be provided within the main body.

As explained above, according to the input device for an electronic musical instrument according to the present invention, the oscillating plate is attracted by the magnet that rolls in the cylinder in response to the flow of air caused by exhalation or inhalation, and comes into contact with the fixed contact. However, since the fixed contacts are configured to conduct, even beginners can easily and easily input performance without requiring any operating techniques. Furthermore, according to the input device, multiple sets of oscillating plates and fixed contacts are provided, and the volume can be controlled by outputting different contact signals depending on the strength of breathing, making it easy for even beginners to perform. The effect can be increased.

[Brief explanation of the drawing]

Fig. 1 is an external perspective view of the electronic musical instrument according to the present invention, Fig. 2 shows the main parts of the electronic harmonica, Fig. 2 (4) is a front view of the main parts, and Fig. 2 (B) is the B1''1 2(0) is a sectional view showing the operating state of FIG. 2(B), FIG. 2(D) is a sectional view of DI-D11 in FIG. 2(B), and FIG.
K) is ICj-I! of FIG. 2(B). 1-line sectional view, FIG. 3 is a pull diagram showing the circuit configuration of the electronic musical instrument, FIG. 4 shows another embodiment, FIG. 4 (A) is a front view of the main parts of the electronic harmonica, and FIG. ) is the B2-B2M cross-sectional view, FIG. 4(0) is the o2-o22 cross-sectional view of FIG. 4(B), and FIG.
D) is a sectional view showing the operating state of FIG. 4(B), FIG. 4I
) is a cross-sectional view of 12-E211A in Figure 4(D), and Figure 4(
F) is in Figure 4 (G))? 2-F2 line sectional view, Figure 4 (
G) is a sectional view taken along the line 02-02 in FIG. 4(G)). 1.60--Electronic harmonica, 11.51--Exhalation hole, 12.62--Inhalation hole, 15,25.58.43
・-・Magnet, 16.19.41.42... Iron piece, 17
, 20, 63° 35a, 33b, 66a, 54.54a
, 34b. 64 c-rocking plate, 18.2L 65t 6sa+gs
b*350.36.66a, 66b, 36c --- Fixed contacts. Patent applicant Casio Computer Co., Ltd. 15-

Claims (1)

[Scope of Claims] (1) A cylindrical portion through which air flows due to exhalation or inhalation, a cylindrical magnet disposed within the cylindrical portion and transferred within the cylindrical portion according to the flow of air, and the cylindrical portion. a magnetic piece that is placed outside the magnet and holds the magnet in a predetermined position; a rocking plate that is attracted by the magnet that is rolled by the air flow against the holding force of the magnetic piece; A human-powered device for an electronic musical instrument, comprising a fixed contact that contacts and conducts with the oscillating plate when attracted by the magnet. (2) The input device for an electronic musical instrument according to claim 1, wherein a large number of the cylinder portions are arranged. (3) A plurality of sets of the oscillating plate and the fixed contact are arranged along the transfer direction of the magnet, and the plurality of sets of the oscillating plate and the fixed contact are selectively operated according to the strength of the airflow. Claims 1 and 2 are configured to output different contact signals and control the volume.
An input device for an electronic musical instrument as described in Section 1.