JPH045998B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an input 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. It was hot.

This invention was made in view of the above circumstances,
The purpose is to provide an input device for an electronic musical instrument that allows even beginners to easily input and play 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-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 3 through which a user selects and designates a scale by breathing by placing his or her mouth on it, and a keyboard part 4 in which keys are arranged in the order of scales. Further, the mini-keyboard electronic musical instrument 2 includes a keyboard section 5, 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 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. This is a group of switches for selecting and specifying tones, and the speaker section 8 is for emitting musical tones. The electronic harmonica 1 and the mini-keyboard electronic musical instrument 2 are electrically connected by a connecting line 9.

In addition, the scale designation hole 3 of the electronic harmonica 1
is constructed as shown in FIG. That is, the scale designation hole section 3 is connected to the exhalation hole 11 in the harmonica body 10.
and intake holes 12 are arranged alternately. As shown in FIGS. 2A and 2B, the exhalation hole 11 is a rectangular cylindrical hole formed in the harmonica body 10, and a magnet 13 having a circular cross section (cylindrical shape) is installed inside the hole 11. It is located. This magnet 13 rolls between protrusions 11a and 11b formed on the inner wall of the exhalation hole 11 in accordance with the flow of air due to exhalation. Moreover, storage recesses 14 and 15 are formed on the outside of the harmonica main body 10 so as to face each other with the exhalation hole 11 in between. These storage recesses 14 and 15 are arranged in the respective projections 11a and 11.
An iron piece 16 is disposed in the lower storage recess 14 corresponding to the lower storage recess 14. This iron piece 16 is arranged on the side where air flows in (left side in the figure), and holds the magnet 13 at a predetermined position, that is, on the protrusion 11a side. On the other hand, inside the upper storage recess 15,
Magnet 13 rolling against the holding force of iron piece 16
A magnetically absorbing roller 17 that moves as the roller 17 moves, and a fixed contact 18 that is made up of a pair of electrodes that come into contact and become electrically conductive as the roller 17 moves are provided. This fixed contact 18 is arranged on the side from which air flows out (the right side in the figure). Therefore, the magnet 13 is usually held by an iron piece 16 as shown in FIG. 2B,
When the roller 17 is kept apart from the fixed contact 18 and air flows into the exhalation hole 11 due to exhalation,
As shown in FIG.
8 is made conductive.

On the other hand, as shown in FIG. 2D and E, the exhalation hole 12 is connected to the iron piece 19 and fixed contact 20.
They are arranged horizontally opposite to case 1 (in the figure, vertically opposite). Therefore, the magnet 21 placed in the exhalation hole 12 rolls in the inhalation hole 12 according to the flow of air due to exhalation, moves the roller 22 onto the fixed contact 20, and makes the fixed contact 20 conductive. It's becoming like that. Note that 10a and 10b in Figure 2
is the lid body of the harmonica body 10, and this lid body 1
A board (not shown) is arranged between Oa and the harmonica main body 10.

Further, the circuit configurations of the electronic harmonica 1 and the mini keyboard electronic musical instrument 2 are as shown in FIG. That is, the harmonica main body 10 outputs the contact signals of the fixed contacts 18..., 20... as the scale designation signal 23, the keyboard section 5 selects and designates the scale with the fingers and outputs the scale data signal 24, and the mode is switched and designated. A mode switching unit 6 that outputs a mode signal 25, a CPU (central processing unit) 26 that receives each of the above-mentioned signals 23, 24, and 25 and outputs it as a data signal 26a, and creates musical tones using the data signal 26a of this CPU 26. A musical tone creation section 27,
Musical tone signal 27 output from this musical tone creation section 27
an amplifier section 28 that amplifies a; and this amplifier section 28
The speaker section 8 generates musical tones based on the signal 28a output from the speaker section 8.

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 3 of the electronic harmonica 1, the mode switching section 6 is set to the mouse mode and the mode signal 25 is input to the CPU 26 in advance. In this state, the user places his or her mouth on the scale designation hole 3 and breathes through a desired hole among the exhalation holes 11 and 12 arranged alternately in the order of the scale. At this time, if you breathe through the exhalation holes 11 shown in FIGS. 2A and B, for example,
The exhalation causes air to flow into the exhalation hole 11, and this air flow causes the magnet 13 to roll within the exhalation hole 11 against the holding force with the iron piece 16 (Figs. 2B and C).
reference). When the magnet 13 rolls in this way, the roller 17 moves onto the fixed contact 18 along with the magnet 13, thereby making the fixed contact 18 conductive. Then, a contact signal is output from the fixed contact 18, and this contact signal is input from the harmonica body 10 to the CPU 26 as a scale designation signal 23. When the scale designation signal 23 is input to the CPU 26 in this way, the data signal 26a is output from the CPU 26 to the musical tone creation section 27,
A musical tone creating section 27 creates a musical tone and outputs a musical tone signal 27a to an amplifier section 28, and a signal 28a amplified by the amplifier section 28 is input to the speaker section 8. As a result, a predetermined musical tone, that is, a musical tone of a scale corresponding to the exhalation hole 11, is emitted from the speaker section 8.

For example, when breathing through the exhalation hole 12,
This time, the magnet 21 rolls in the exhalation hole 12 due to the air flow caused by exhalation, and the roller 22 is moved to the fixed contact 20.
By moving it upward, the fixed contact 20 is made conductive and a contact signal is output. This contact signal is input from the harmonica main body 10 to the CPU 26 as a scale designation signal 23 corresponding to the fixed contact 20, as described above.
The musical tone is outputted to the speaker section 8 via the musical tone creation section 27 and the amplifier section 28, and is outputted to the speaker section 8 as a predetermined musical tone.
pronounced from

Furthermore, in the electronic musical instrument as described above, when the electronic harmonica 1 and the mini keyboard electronic musical instrument 2 are operated at the same time, the respective signals 23 and 24 from the harmonica body 10 and the keyboard section 5 are input to the CPU 26, and the musical tones are created. Each musical tone is simultaneously sounded from the speaker section 8 via the section 27 and the amplifier section 28. Therefore, for example, a melody can be played on the electronic harmonica 1 and an accompaniment can be played simultaneously on the keyboard section 5, resulting in a good performance.

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, each fixed contact 33, 34 provided corresponding to the exhalation hole 31... and the exhalation hole 32... of the electronic harmonica 30 is divided into a plurality of parts,
It is designed to output multiple contact signals. That is, in the harmonica body 35, exhalation holes 31 and exhalation holes 32 are alternately arranged in the same manner as in the above-described embodiment. The exhalation hole 31 is shown in FIG. 4A,
As shown in B, it is a rectangular tube-shaped through-hole, and a magnet 36 is arranged inside the hole. This magnet 3
6 is a protrusion 31 formed on the inner wall of the exhalation hole 31;
It rolls between a and 31b according to the flow of air due to exhalation. In this case, the protrusion 31a,
31b is provided biased toward the side from which air flows out (the right side in the figure). In addition, each of the projections 31a, 3
Storage recesses 37 and 38 are formed on the outside of the harmonica main body 35 at locations corresponding to the space 1b, respectively, with the exhalation hole 31 in between. Each of these storage recesses 37,
38, the lower storage recess 37 is formed to be biased toward the air inflow side (left side in the figure), and an iron piece 39 is provided inside it on the left side (upper side in Figure 4E). There is. On the other hand, the upper storage recess 38 is formed corresponding to each projection 31a, 31b, and has a roller 40 that moves as the magnet 36 rolls, and a pair of rollers 40 that are electrically connected by the roller 40. A fixed contact 33 consisting of an electrode is provided. This fixed contact 33 is provided on the air outflow side (right side in the figure) and is divided into three in the moving direction of the roller 40. That is, the fixed contact 33 is divided into three types from the left side (lower side in FIG. 4D): a first contact 33a, a second contact 33b, and a third contact 33c. , 33b, and 33c output three types of contact signals, respectively. Therefore, when the magnet 36 is held by the iron piece 39 as shown in FIG.
The magnet 36 is separated from the fixed contact 33 and does not output a contact signal, and the magnet 36 is separated from the fixed contact 33 and does not output a contact signal.
rolls and when the roller 40 moves onto the first contact 33a of the fixed contact 33 along with the magnet 36, the first contact 33a becomes conductive and outputs the first contact signal, and the magnet 36 36 further rolls and the roller 40 moves onto the second contact 33b, the second contact 33b becomes conductive and outputs a second contact signal,
When the magnet 36 further rolls and the roller 40 moves onto the third contact point 33c as shown in FIG. 4C,
The third contact 33c is conductive and outputs a third contact signal.

On the other hand, as shown in FIG. 4D and E, the intake hole 32 is connected to the iron piece 41 and the fixed contact 34.
They are arranged horizontally opposite to case 1 (in the figure, vertically opposite). Furthermore, the iron piece 41 and the fixed contact 34 are disposed toward the intake side of the harmonica body 35. Therefore, each of the storage recesses 42 and 43 in which the iron piece 41 and the fixed contact 34 are stored and arranged.
are arranged in a concave and convex manner along the longitudinal direction of the harmonica main body 35 with respect to each of the storage recesses 37 and 38 of the exhalation hole 31. In addition, the fixed contact 34
Similarly to the fixed contact 33 on the exhalation hole 31 side, each of the first, second and third contacts 34a, 34b, 34c
It is designed to output first, second, and third contact signals. Therefore, the intake hole 3
2, the magnet 44 is rolled by the intake air, and the roller 45 is moved to the fixed contact 34 as in the case of the exhalation hole 31 described above.
The first, second and third contacts 34a, 34b, 3
4c, each contact 34a, 34b,
Different contact signals are output from 34c.

The electronic harmonica 30 configured in this manner has the same effects as those of the embodiment described above, and in particular, the fixed contacts 33 and 34 are the first, second, and third contacts 33a, 33b, and 33c. ,34a,3
4b and 34c, different contact signals are output depending on the strength of exhalation or inhalation, and these different contact signals are used as volume control signals by the CPU 26.
If the output signal is output to , a musical tone whose volume is controlled can be generated from the speaker section 8 via the musical tone generating section 27 and the amplifier section 28 . Therefore, according to the electronic harmonica 30, beginners can easily play by input, and the volume can also be controlled by controlling the intensity of exhalation or inhalation, so that the performance effect can be enhanced.

In addition, in each of the embodiments described above, the exhalation holes 11, 31
Although the intake holes 12 and 32 are arranged in one row, they may be arranged in two or more rows. Further, derived sounds may also be specified.

Further, the present invention also provides the electronic harmonica 1,
The present invention is not limited to 30, but can be widely applied to other wind 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 described above, according to the input device for an electronic musical instrument according to the present invention, the holes (in this embodiment, the exhalation hole 11 and the intake hole 12) through which exhalation or air fluid can flow in and out; A musical instrument body (harmonica body 10 in this embodiment) having correspondingly formed storage portions (accommodation recesses 14 and 15 in this embodiment); A magnet (magnet 13 in this embodiment) that rolls according to the flow of air fluid, and a magnet that protrudes at a predetermined distance from each other within the hole in order to restrict the rolling range of this magnet. A pair of protrusions (in this embodiment, protrusions 11a,
11b) is provided at a position near one of the pair of protrusions, and cooperates with the magnetic attraction force of the magnet to magnetically move the magnet itself to a position near the one protrusion. a magnetic material (in this embodiment, the iron piece 16) that is held in place, and a magnetic movable contact that is housed in the housing section in the vicinity of the one protrusion and that moves as the magnet rolls. A member (in this embodiment, a roller 17) is provided at a position near the other protrusion in the storage portion, and the movable contact member moves together with the magnet from the one protrusion side to the other protrusion. A fixed contact member (fixed contact 18 in this embodiment) is provided, which is electrically connected to the movable contact member and performs a switching operation when the movable contact member is activated. Therefore, with a relatively simple configuration,
In response to air fluid inflow and outflow actions by the performer,
Generation of desired musical tones can be controlled.

Further, the present invention provides holes (in this embodiment, the exhalation hole 31 and the intake hole 32) through which air fluid can flow in and out.
and a musical instrument body (harmonica body 35 in this embodiment) having storage portions (accommodation recesses 37 and 38 in this embodiment) formed corresponding to the holes;
A magnet (magnet 36 in this embodiment) that is housed in the hole and rolls within the hole according to the flow of the air fluid, and for regulating the rolling range of this magnet, a pair of protrusions (in this embodiment, protrusions 31a and 31b) formed to protrude within the hole at a predetermined distance from each other;
The magnet is provided at a position near one of the pair of protrusions, and cooperates with the magnetic attraction force of the magnet to magnetically hold itself at a position near the one protrusion. Magnetic material (in this example, iron piece 3
9), a magnetic movable contact member (in this embodiment, rollers 40) that is stored in the storage portion near the one protrusion and moves in accordance with the rolling of the magnet; A plurality of movable contact members are distributed in the vicinity of the other protrusion in the storage portion along the moving direction of the movable contact member, and the movable contact members are movable together with the magnet from the one protrusion side to the other protrusion. When the contact member moves, a fixed contact member (in this embodiment) selectively conducts with the movable contact member and cooperates with the movable contact member to output a control signal that controls the characteristics of the musical tone to be generated. , fixed contact 33)
It is equipped with. Therefore, with a relatively simple configuration, the characteristics of the musical sound to be generated (for example, the volume) can be adjusted according to the strength of the air fluid flow in and out of the performer.
can be variably controlled.

[Brief explanation of drawings]

FIG. 1 is an external perspective view of an electronic musical instrument according to the present invention, and FIG. 2 shows the main parts of an electronic harmonica.
Figure A is a front view of the main part, Figure 2B is a sectional view taken along the line _B1 - _B1 , Figure 2C is a sectional view showing the operating state of Figure 2B, and Figure 2D is a cross-sectional view of Figure 2B. 2. _E is a sectional view taken along line D ₁ - D _1. FIG. 2 E is a sectional view taken along line E ₁ - E 1 of FIG. 4A is a front view of the main parts of the electronic harmonica, FIG. 4B is a sectional view taken along the line B ₂ - _{B 2} ,
Fig. 4C is a sectional view showing the operating state of Fig. 4B, Fig. 4D is a sectional view taken along line D ₂ - D ₂ of Fig. 4B, Fig. 4E
is a sectional view taken along line E ₂ -E ₂ in FIG. 4B. 1,30...electronic harmonica, 11,31...
Exhalation hole, 12, 32...Inhalation hole, 13, 21, 3
6, 44... magnet, 16, 19, 39, 41...
Iron piece, 17, 22, 40, 45... Coro, 18,
20, 33, 34... fixed contact, 33a, 33
b, 33c, 34a, 34b, 34c... contacts.

Claims (1)

[Scope of Claims] 1. A musical instrument body having a hole through which air fluid can flow in and out, and a storage portion formed corresponding to the hole; a magnet that rolls according to the flow of fluid; a pair of protrusions that are formed to protrude from each other at a predetermined distance within the hole in order to restrict the rolling range of the magnet; Magnetism that is provided near one of the pair of protrusions and cooperates with the magnetic attraction force of the magnet to magnetically hold the magnet itself in the vicinity of the one protrusion. a magnetic movable contact member that is stored in a position near the one protrusion in the storage part and moves in accordance with the rolling of the magnet; and a movable contact member in the vicinity of the other protrusion in the storage part. a fixed contact member that is provided at a fixed position and that is electrically connected to the movable contact member to perform a switching operation when the movable contact member moves from the one protrusion side to the other protrusion together with the magnet; An input device for an electronic musical instrument, comprising: . 2. The input device for an electronic musical instrument according to claim 1, wherein a plurality of the holes are provided in the main body of the musical instrument. 3. A musical instrument body having a hole through which air fluid can flow in and out, and a storage portion formed corresponding to the hole; and a musical instrument body that is housed in the hole and that allows air to flow through the hole according to the flow of the air fluid. a rolling magnet; a pair of protrusions protruding from each other at a predetermined distance within the hole in order to restrict the rolling range of the magnet; and one of these pair of protrusions. a magnetic body that is provided in a position near one of the protrusions and cooperates with the magnetic attraction force of the magnet to magnetically hold the magnet itself in a position near the one protrusion; a magnetic movable contact member that is housed in a position near the one protrusion and moves as the magnet rolls; and a movable magnetic contact member that is housed in a position near the other protrusion in the storage part;
The movable contact member is distributed in a plurality of locations along the moving direction of the movable contact member, and when the movable contact member moves together with the magnet from the one protrusion side to the other protrusion side, the movable contact member is selected as the movable contact member. an input device for an electronic musical instrument, comprising: a fixed contact member that is electrically conductive and cooperates with the movable contact member to output a control signal for controlling characteristics of musical tones to be generated. 4. The input device for an electronic musical instrument according to claim 3, wherein a plurality of the holes are provided in the main body of the musical instrument.