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Operator operation detection device

A technology for operating elements and operation detection, applied in the direction of instruments, electroacoustic musical instruments, etc., can solve the problems of unstable contact state of contacts, and achieve the effect of suppressing vibration and maintaining stability.

Active Publication Date: 2017-02-15
YAMAHA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, the key operation detection device tends to vibrate due to sliding or floating between the contact surface of the fixed-side contact portion and the contact surface of the movable-side contact portion, so that there is a problem that the contact state of the contacts is unstable.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach ＞

[0032] Below, use figure 1 , the keyboard device 1 according to one embodiment of the present invention will be described. The keyboard device 1 is a keyboard device of an electronic keyboard instrument in this embodiment.

[0033] The keyboard device 1 includes a frame (machine base) 2, an upper limit stopper 2a, a key fulcrum portion 3, a key 4, and a key operation detection device 5 which is an operating element operation detection device. In the keyboard device 1 , a plurality of keys 4 (white keys 4 a and black keys 4 b ) are arranged adjacent to each other on a frame 2 which is a machine base. One side of each key 4 is rotatably supported on the key fulcrum portion 3 provided on the frame 2 via the pivot point, that is, the rotating shaft 3a. touch. Moreover, in the keyboard device 1, a plurality of key operation detection devices 5 corresponding to each key 4 are provided in a manner opposite to each key 4, that is, in the keyboard device 1, the keys 4 and the key op...

no. 2 approach ＞

[0059] Next, use Image 6 , the key operation detection device 11 which is the second embodiment of the operation element operation detection device of the present invention will be described. It should be noted that the key operation detection device 11 of this embodiment is figure 1 In the shown keyboard device 1, a device suitable for replacing the key operation detection device 5, by using figure 1 , figure 2 The same parts are indicated by the names, reference numerals, and reference signs used in the description thereof. In the following embodiments, specific descriptions of points that are the same as those in the already described embodiments will be omitted, and differences will be centered. illustrate. The key operation detection device 11 is a device that generates a reaction force against the operation of the key 4, which is an operating element, and transmits a signal corresponding to the operation of the key 4. , a top portion 8, an inner raised portion 12, ...

no. 3 approach ＞

[0066] Next, use Figure 7 , the key operation detection device 13 which is the third embodiment of the operation element operation detection device of the present invention will be described. It should be noted that the key operation detection device 13 of this embodiment is figure 1 In the shown keyboard device 1, a device suitable for replacing the key operation detection device 13 or the key operation detection device 11 is used. figure 1 , figure 2 Names, reference numbers, and reference signs used in their descriptions. The key operation detection device 13 is a device that generates a reaction force against the operation of the key 4, which is an operating element, and transmits a signal corresponding to the operation of the key 4. 9. The base plate 10, the raised portion 14, the top portion 15, and the base plate 10 made of an insulator base material.

[0067] Such as Figure 7 As shown, the arch portion 14 is formed in a hollow arch shape that bulges from the ot...

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PUM

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Abstract

The purpose of the present invention is to provide a key operation detection device (5) that can suppress occurrences of chattering caused by slipping and floating between a fixed side contact surface (10a) and a movable side contact point (9a) and can maintain a stable contact state for the contact point. Provided is a key operation detection device (5), which is provided with a fixed side contact surface (10a) formed on a substrate (10) provided in a frame (2) wherein the key (4) is supported freely rotatably, a base unit (6) provided in the frame (2), a dome unit (7) protruding from the base unit (6), a top unit (8) provided on the protruding side end of the dome unit (7), and a movable side contact point (9a) provided on the top unit (8), and in which the fixed side contact surface (10a) and the movable side contact point (9a) are in contact by means of elastic deformation of the dome unit (7) and thereby an operation signal for a key (4) is transmitted. A base end side plane (BP) that includes lines of intersection for the base unit (6) and the dome unit (7) and a tip end side plane (TP) that includes intersecting lines for the dome unit (7) and the top unit (8) intersect on the rotational axis (3a) side of the key (4), and a contact point side plane (CP) that includes the fixed side contact surface (10a) and the base end side plane (BP) intersect at the rotational axis (3a) of the key (4).

Description

technical field [0001] The present invention relates to an operating element operation detection device. Specifically, it relates to an operation element operation detection device capable of transmitting a signal for detecting operation of an operation element. Background technique [0002] Conventionally, there is known an operating element operation detection device that generates a reaction force against the operating element when the operating element rotated by the operator's pressing operation is operated, and at the same time transmits a signal for detecting the operation of the operating element. . The operating element operation detection device is provided with a raised portion from which an elastic member such as rubber protrudes, a fixed-side contact portion, and a movable-side contact portion. The operating element operation detection device is configured such that the arched portion is deformed by being pressed by the operating element, and a reaction force ...

Claims

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Application Information

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IPC IPC(8): G10H1/34
CPCG10H1/34
Inventor 播本宽大须贺一郎
Owner YAMAHA CORP
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