JPH0442698U - - Google Patents
Info
- Publication number
- JPH0442698U JPH0442698U JP8425790U JP8425790U JPH0442698U JP H0442698 U JPH0442698 U JP H0442698U JP 8425790 U JP8425790 U JP 8425790U JP 8425790 U JP8425790 U JP 8425790U JP H0442698 U JPH0442698 U JP H0442698U
- Authority
- JP
- Japan
- Prior art keywords
- key
- circuit board
- protrusion
- conductive material
- performance
- 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
- 239000004020 conductor Substances 0.000 claims 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図はこの考案の実施例である演奏用キーの
側面図、第２図は同演奏用キーの断面図である。
第３図は同演奏用キーが用いられる電子楽器のブ
ロツク図である。
１……キー本体、２……アキユムレータ、３…
…フレーム、４……回路基板、４ａ……固定接点
、５……ゴム接点、５ａ……結合部、５ｃ……フ
ランジ部。
FIG. 1 is a side view of a performance key which is an embodiment of this invention, and FIG. 2 is a sectional view of the same performance key.
FIG. 3 is a block diagram of an electronic musical instrument in which the same performance keys are used. 1...Key body, 2...Accumulator, 3...
...Frame, 4...Circuit board, 4a...Fixed contact, 5...Rubber contact, 5a...Joining part, 5c...Flange part.
Claims (1)
用キーの下方に設けられたキーオン検出用の回路
基板とを備え、 前記回路基板上の前記突出部直下に、 上端部に前記突出部の先端と嵌合または接着す
る結合部を備え、少なくともその下面が導電体で
構成され、上方から押されることによつて前記導
電体が前記回路基板に接触する伏椀形状に構成さ
れた、弾性体を設けたことを特徴とする電子楽器
のキー構造。[Claims for Utility Model Registration] A performance key having a protrusion on the lower surface, and a circuit board for key-on detection provided below the performance key, and directly below the protrusion on the circuit board, The upper end includes a coupling part that fits or adheres to the tip of the protruding part, and at least the lower surface thereof is made of a conductive material, and has a down-bowl shape in which the conductive material comes into contact with the circuit board when pressed from above. A key structure for an electronic musical instrument characterized by having an elastic body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8425790U JPH0442698U (en) | 1990-08-08 | 1990-08-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8425790U JPH0442698U (en) | 1990-08-08 | 1990-08-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0442698U true JPH0442698U (en) | 1992-04-10 |
Family
ID=31632593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8425790U Pending JPH0442698U (en) | 1990-08-08 | 1990-08-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0442698U (en) |
-
1990
- 1990-08-08 JP JP8425790U patent/JPH0442698U/ja active Pending
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