JPS61135393U - - Google Patents
Info
- Publication number
- JPS61135393U JPS61135393U JP1985017043U JP1704385U JPS61135393U JP S61135393 U JPS61135393 U JP S61135393U JP 1985017043 U JP1985017043 U JP 1985017043U JP 1704385 U JP1704385 U JP 1704385U JP S61135393 U JPS61135393 U JP S61135393U
- Authority
- JP
- Japan
- Prior art keywords
- movable contact
- contact
- main body
- fixed contact
- elastically deformable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001125 extrusion Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図はこの考案に係る鍵盤スイツチの一実施
例を示す正面図、第２図は可撓性部材の斜視図、
第３図Ａ，Ｂ，Ｃは動作を説明するための図、第
４図はこの考案の他の実施例を示す正面図、第５
図はドーム状可撓性部材の従来例を示す一部破断
斜視図である。
１１……鍵、１２……プリント基板、１３……
第１のスイツチ、１４……第２のスイツチ、１５
……第１固定接点、１６……第１可動接点、１７
……第２固定接点、１８……第２可動接点、２０
……可撓性部材、２１，２２……脚部、２３……
本体、２４，２５……支持部。
FIG. 1 is a front view showing an embodiment of a keyboard switch according to this invention, FIG. 2 is a perspective view of a flexible member,
Figures 3A, B, and C are diagrams for explaining the operation, Figure 4 is a front view showing another embodiment of this invention, and Figure 5
The figure is a partially cutaway perspective view showing a conventional example of a dome-shaped flexible member. 11...Key, 12...Printed circuit board, 13...
First switch, 14...Second switch, 15
...First fixed contact, 16...First movable contact, 17
...Second fixed contact, 18...Second movable contact, 20
... Flexible member, 21, 22 ... Leg section, 23 ...
Main body, 24, 25...support part.
Claims (1)
、弾性変形自在な本体と、この本体と前記脚部と
を連結する弾性変形自在な板状の支持部とを一体
に有してなる可撓性部材と、前記脚部に配設され
た第１可動接点と、前記本体の下面に配設される
ことにより前記第１可動接点より高い位置にある
第２可動接点と、前記第１可動接点の下方に近接
対向して配設され該接点と共に第１のスイツチを
構成する第１固定接点と、前記第２の可動接点の
下方に対向して配設され該接点と共に第２のスイ
ツチを構成する第２固定接点とを備え、押鍵操作
に伴い前記第１および第２のスイツチが閉成する
時間差を検出するようにしたことを特徴とする電
子楽器の鍵盤スイツチ。 A flexible device that is formed by extrusion molding and integrally includes a leg portion, an elastically deformable main body, and an elastically deformable plate-shaped support portion that connects the main body and the leg portion. a first movable contact disposed on the leg, a second movable contact disposed on the lower surface of the main body so as to be located at a higher position than the first movable contact, and the first movable contact. a first fixed contact disposed close to and opposite to each other and forming a first switch together with the contact; and a first fixed contact disposed oppositely below the second movable contact and forming a second switch together with the contact. 1. A keyboard switch for an electronic musical instrument, comprising: a second fixed contact, which detects a time difference between closing of the first and second switches in response to a key press operation.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985017043U JPS61135393U (en) | 1985-02-12 | 1985-02-12 | |
| CN198686101312A CN86101312A (en) | 1985-02-12 | 1986-02-06 | Keyboard switch apparatus for electronic musical instrument |
| US06/828,292 US4668843A (en) | 1985-02-12 | 1986-02-11 | Keyboard switch apparatus for electronic musical instrument |
| KR1019860000976A KR910002197B1 (en) | 1985-02-12 | 1986-02-12 | Key switchboard device for electric music instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985017043U JPS61135393U (en) | 1985-02-12 | 1985-02-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61135393U true JPS61135393U (en) | 1986-08-23 |
Family
ID=30504382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985017043U Pending JPS61135393U (en) | 1985-02-12 | 1985-02-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61135393U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63178898U (en) * | 1987-05-12 | 1988-11-18 | ||
| JPH04241397A (en) * | 1991-01-14 | 1992-08-28 | Yamaha Corp | Touch response switching device |
| JPH0997077A (en) * | 1995-10-03 | 1997-04-08 | Yamaha Corp | Contact device |
| JP2021531501A (en) * | 2018-07-18 | 2021-11-18 | エクスプレスィーヴExpressive | Improved haptic controller |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53116141A (en) * | 1977-03-19 | 1978-10-11 | Brother Ind Ltd | Electronic musical instrument |
| JPS58111095A (en) * | 1981-12-24 | 1983-07-01 | ヤマハ株式会社 | Keyboard switch for electronic musical instrument |
-
1985
- 1985-02-12 JP JP1985017043U patent/JPS61135393U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53116141A (en) * | 1977-03-19 | 1978-10-11 | Brother Ind Ltd | Electronic musical instrument |
| JPS58111095A (en) * | 1981-12-24 | 1983-07-01 | ヤマハ株式会社 | Keyboard switch for electronic musical instrument |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63178898U (en) * | 1987-05-12 | 1988-11-18 | ||
| JPH04241397A (en) * | 1991-01-14 | 1992-08-28 | Yamaha Corp | Touch response switching device |
| JPH0997077A (en) * | 1995-10-03 | 1997-04-08 | Yamaha Corp | Contact device |
| JP2021531501A (en) * | 2018-07-18 | 2021-11-18 | エクスプレスィーヴExpressive | Improved haptic controller |