JPH0655196U - Shoulder keyboard bender device - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a bender device for a shoulder keyboard, which has a good operability close to that of a guitar performance and can adjust the pitch of a performance sound accurately and speedily. [Structure] A shoulder keyboard 1 having a neck portion 3 extending from a keyboard body 2 and configured to change a pitch of a performance sound by rotating an operating element 9 provided on a surface of the neck portion 3. In the bender device 7, the operator 9 is arranged on the tip end side of the neck portion 3 and is rotatable about an axis A orthogonal to the surface of the neck portion 3.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a shoulder keyboard, and more particularly to a shoulder keyboard bender device for performing a performance corresponding to so-called guitar choking, in which the pitch of a performance sound is changed up and down.

[0002]

[Prior art]

 The shoulder keyboard functions as a keyboard section of an electronic keyboard instrument independent of the tone generator section. For example, the shoulder keyboard is incorporated into a MIDI system, and performance is performed by giving operation information on the keyboard to the tone generator section. In addition, the shoulder keyboard is usually equipped with a bender device in order to temporarily raise or lower the pitch of the played sound to change the performance expression.

As such a conventional vendor device, for example, those shown in FIGS. 5 and 6 are known. This bender device is disposed inside the neck portion 52 of the shoulder keyboard, is fixed to the variable resistor 54 forming a part of the bender circuit, and the shaft of the variable resistor 54, and is partially projected on the surface of the neck portion 52. And an operating wheel 53 that has been operated. The variable resistor 54 is attached to a support plate 55 screwed inside the neck portion 52 so as to be rotatable about an axis parallel to the length direction of the neck portion 52. Further, the operation wheel 53 is provided with a return spring 56 for returning the variable resistor 54 from the rotating position.

As shown in FIG. 1, the shoulder keyboard having such a structure is hung from the shoulder using a shoulder strap, and the keyboard is played with the right hand to perform, and the operation wheel 53 is operated with the left hand. By rotating the variable resistor 54 to change its resistance value, the pitch of the performance sound is raised or lowered according to the rotating angle of the variable resistor 54.

[0005]

[Problems to be solved by the device]

 However, in this conventional bender device, since the operation wheel 53 is arranged in the width direction of the neck portion 52, the base of the forefinger is applied to the neck portion 52 as a fulcrum, and the fingertip is projected on the circumferential surface of the operation wheel 53. There is no choice but to operate by touching and moving, or by removing the base of the index finger from the neck portion 52 and sliding the finger on the belly. In the former method, the stroke is insufficient and the operation wheel 53 cannot be rotated sufficiently, whereas in the latter method, the finger loses the fulcrum, so the operation wheel 53 cannot be operated stably. As a result, in the conventional bender device, it is not possible to speedily adjust the turning angle of the operation wheel 53 to an appropriate angle. Therefore, the pitch of the performance sound must be adjusted at an appropriate timing during the performance. Becomes difficult and there is a limit to the performance expression. In addition, such a method of operating the operation wheel 53 is a technique called guitar choking, that is, the pitch of the index finger is used as a fulcrum in order to change the pitch by pushing up or down with a fingertip after picking the pressed string. Since it is very different from the technique of playing a guitar by twisting the wrist, there is also a problem that a person who is accustomed to playing the guitar feels something strange.

The present invention has been made in order to solve such a problem, and has good operability close to that of a guitar, and moreover, the pitch of the performance sound can be adjusted accurately and speedily. It is an object of the present invention to provide a shoulder keyboard vendor device capable of performing the above.

[0007]

[Means for Solving the Problems]

 In order to achieve this object, the present invention has a neck portion extending from the keyboard body, and is configured to change the pitch of a performance sound by rotating an operating element provided on the surface of the neck portion. In a bender device for a shoulder keyboard, the operation element is arranged on the tip end side of the neck portion and is rotatable about an axis orthogonal to the surface of the neck portion.

In this case, it is preferable that the operating element has a linear protrusion extending substantially in the longitudinal direction of the neck portion.

[0009]

[Action]

 According to the bender device for this shoulder keyboard, the operator for changing the pitch of the performance sound is rotatable about the axis line orthogonal to the surface of the neck portion, which is arranged on the tip side of the neck portion. The operator can be rotated along the surface of the neck by operating the operator by twisting the wrist with the base of the index finger of the left hand as the fulcrum. Therefore, it is possible to perform a speedy and accurate operation with a method similar to guitar choking.

Further, according to the bender device of the second aspect, since the operating element has a linear protrusion extending substantially in the longitudinal direction of the neck portion, the operating element has a shape similar to a string of a guitar. And, it is arranged so that you can operate it more like playing a guitar.

[0011]

【Example】

 Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 1 schematically shows the external appearance of a shoulder keyboard including a bender device to which the present invention is applied. The shoulder keyboard 1 is incorporated in a MIDI system together with the sound source unit (not shown) and constitutes an electronic keyboard instrument. As shown in FIG. 1, a shoulder keyboard 1 includes a keyboard body 2 having a substantially rectangular shape as a whole, a neck portion 3 formed so as to extend from one longitudinal end of the keyboard body 2, the keyboard body 2 and the neck. It is configured by an oblique connecting portion 3a connecting between the portions 3. The keyboard body 2 is composed of a keyboard section 5 on the front side of the player, which is arranged side by side on the mouth stick section 4, and a panel section 6 on the front side.

The neck portion 3 is provided with a bender device 7 in order to temporarily raise and lower the pitch of the generated performance sound to change the performance expression. 2 and 3 are an external perspective view and a longitudinal sectional view of the bender device 7, respectively. As shown in these figures, the bender device 7 includes a variable resistor 8 rotatably mounted inside the neck portion 3, an operation lever 9 for rotating the variable resistor 8, and a variable resistor 8. It has a return spring 10 for returning from the rotating position to the original position.

The variable resistor 8 constitutes a bender circuit together with a circuit (not shown), and changes the resistance value due to the rotation of the variable resistor 8, which temporarily raises or lowers the pitch of the performance tone after being generated. The variable resistor 8 is composed of a resistor main body 11 and a rotary shaft 12 integrated with the resistor main body 11. At the rotary shaft 12 part, a support plate 13 screwed in the neck part 5 is provided with a vertical direction of the neck part 3. It is attached so as to rotate about the axis of the above, that is, the axis A orthogonal to the surface of the neck portion 3.

The operation lever 9 is a plate-shaped lever main body 14 arranged on the back side of the surface material of the neck portion 3 and along the same, and the operation lever 9 projects from the lever main body 14 to the surface of the neck portion 3 and The operating portion 15 extends linearly in the vertical direction. The lever body 14 has a resistance holding portion 16 at its tip (right end in FIG. 2), and the rotary shaft 12 of the variable resistor 8 is fitted and held in a holding hole 17 formed in the resistance holding portion 16. . The operation portion 15 projects slightly upward from the opening 18 formed in the surface of the neck portion 3. The opening 18 has a fan-shaped planar shape, and the center of the fan-shaped opening is formed so as to coincide with the rotation fulcrum of the variable resistor 8. Further, a guide groove 19 is formed on the back side of the surface material of the neck portion 3 along the outer peripheral edge of the fan-shaped opening 18, and engages the rotation side end portion (the left end portion in FIG. 2) of the lever body 14. Then, the rotation is guided.

The return spring 10 is composed of a torsion coil spring, the coil portion 10a is wound around the resistance holding portion 16 of the operating lever 9, and both leg portions 10b and 10b (only one is shown) are rearward (see FIG. 2). It extends to the middle left) and is fixed to the support plate 13. A protrusion 20 provided on the lower surface of the lever body 14 is engaged between the two leg portions 10b and 10b to return the operation lever 9 to the neutral position.

Further, on the panel section 6 of the keyboard body 2, a tone color selection button 21 for selecting a tone color output from the tone generator section and a mode selection button 22 for selecting a tone color output mode are provided on the keyboard. A large number are provided side by side along the length direction of the main body 2. The timbre selection button 21 is composed of ten number buttons, each of which is numbered 0 to 9, and the performer pushes the number button to select a timbre number. The tone generator outputs the tone of the tone color corresponding to the tone number, as in the case of 01, the tone of the organ.

The mode selection button 22 is composed of, for example, two push buttons, and when both buttons are not pressed, a single tone color output mode selected by the tone color selection button 21 is set, and one button is pressed. When you press, the output mode allows you to select one tone from the tone groups that the performer has selected and set in advance.When you press the other button, regardless of the performer's selection. It is configured to be in an output mode in which one tone color can be appropriately selected from among the tone color groups preset on the keyboard.

The mouth stick section 4 is provided with a display section 23 for displaying the selection states of the tone color selection button 21 and the mode selection button 22. The display unit 23 is configured, for example, by arranging three LEDs of 7 segments side by side, and the LED on the left side when viewed from the player shows the selection of the output mode by the mode selection button 22 in the alphabet. The two LEDs are used to display the tone color selection state by the tone color selection button 21 by number.

Next, a performance operation of the shoulder keyboard 1 having the above-described configuration will be described. As shown in FIG. 1, the shoulder keyboard 1 is hung from the shoulder using a shoulder strap 24, and the keyboard part 4 is played with the right hand, and the bender device 7 with the left hand and the tone selection buttons 21 with the left or right hand. And the performance is performed by appropriately operating the mode selection button 22. In this case, since the display unit 23 is provided on the mouth stick unit 4, the player directly looks at the display of the display unit 23 during the performance to select the selected state of both the selection buttons 21 and 22, that is, You can easily check the timbre that is sounded and its output mode without compromising your playing posture.

When the operating lever 9 is not operated, the operating portion 15 of the operating lever 9 of the bender device 7 is operated by the return spring 10 engaged with the protrusion 20 of the operating lever 9, As shown in FIG. 2, the variable resistor 8 positioned at a position substantially parallel to the length direction of the neck portion 3 and connected to the operation lever 9 is held in a neutral position that does not raise or lower the pitch of the performance tone. .

When operating the bender device 7, first, as shown in FIG. 4, as in the case of playing a guitar, the neck portion 3 is supported between the thumb of the left hand and the base of the index finger, and the index finger is inserted. The fingertips of the finger and the middle finger are applied to the operation portion 15 of the operation lever 9. When raising the pitch of the playing sound, the fingertips of the forefinger and the middle finger of the left hand are abutted against the operating portion 15, and the operating lever 9 is pushed up against the spring force of the return spring 10, for example, upward in FIG. As a result, the operating lever 9 rotates together with the variable resistor 8 integrated therewith about the axis A in the vertical direction, and the resistance value of the variable resistor 8 decreases, for example, so that the pitch of the performance tone is changed. It can be raised in proportion to the turning angle of 9.

In addition, an operation reverse to the above, that is, the fingertips of the index finger and the middle finger of the left hand are hooked on the operation portion 15 of the operation lever 9 and pulled down to increase the resistance value of the variable resistor 8, The pitch of the performance sound can be lowered according to the turning angle of the operating lever 9.

When the finger is released from the state where the operation lever 9 is operated, the variable resistor 8 is automatically returned to the neutral position by the action of the return spring 10.

As described above, in the bender device 7 of the present embodiment, the operation lever 9 is arranged so as to rotate around the axis A that is arranged on the tip side of the neck portion 5 and that is orthogonal to the surface of the neck portion 5. Since it is configured, the operation lever 9 can be rotated along the surface of the neck portion by twisting the wrist with the base of the index finger of the left hand as a fulcrum. Therefore, it is possible to perform a speedy and accurate operation by a method similar to the choking of a guitar, whereby the pitch of the performance sound can be accurately changed by the bender device, and a good performance expression can be performed.

Further, since the operating portion 15 of the operating lever 9 extends in the length direction of the neck portion 3 and has a shape similar to a string of a guitar, the operating lever 9 is used for playing a guitar. You can operate it with a feeling very close to.

The present invention is not limited to the above-described embodiments, but can be implemented in various modes. For example, the shoulder keyboard of the embodiment has a connecting portion that obliquely connects the keyboard body and the neck portion, but such a connecting portion may be omitted. In addition, the detailed configuration can be changed as appropriate without departing from the spirit of the present invention.

[0028]

[Effect of device]

 As described in detail above, the shoulder keyboard bender device of the present invention has good operability close to that of a guitar player, and can adjust the pitch of the performance sound accurately and speedily. It has an effect.

[Brief description of drawings]

FIG. 1 is an external perspective view showing a shoulder keyboard to which the present invention is applied in a playing state.

FIG. 2 is an external perspective view of a bender device for the shoulder keyboard of FIG.

3 is a vertical cross-sectional view of the bender device of FIG.

FIG. 4 is a perspective view showing an operating state of the bender device of FIG.

FIG. 5 is an external perspective view of a conventional bender device.

6 is a vertical cross-sectional view of the bender device of FIG.

[Explanation of symbols]

 1 Shoulder keyboard 2 Keyboard body 3 Neck part 7 Bender device 9 Operating lever 15 Operating part A Axis

Claims (2)

[Scope of utility model registration request] 1. A shoulder keyboard bender device having a neck portion extending from a keyboard body and configured to change a pitch of a performance sound by rotating an operating element provided on a surface of the neck portion. 2. The bender device for a shoulder keyboard according to claim 1, wherein the operating element is arranged on the tip side of the neck portion and is rotatable about an axis orthogonal to the surface of the neck portion. 2. The operating element has a linear protrusion extending substantially in the longitudinal direction of the neck portion.
The bender device for a shoulder keyboard according to claim 1.