JPH01140595U - - Google Patents
Info
- Publication number
- JPH01140595U JPH01140595U JP3724388U JP3724388U JPH01140595U JP H01140595 U JPH01140595 U JP H01140595U JP 3724388 U JP3724388 U JP 3724388U JP 3724388 U JP3724388 U JP 3724388U JP H01140595 U JPH01140595 U JP H01140595U
- Authority
- JP
- Japan
- Prior art keywords
- key
- photocoupler
- rod
- tubular body
- view
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の第１実施例に係る電子管楽器
のキースイツチ構造を示すその管楽器本体の縦断
面図、第２図は第１実施例に係る電子管楽器の全
体を示すその正面図、第３図は第１実施例に係る
ロツドを示すその側面図、第４図は同じくそのロ
ツドの正面図、第５図は第１実施例に係る検出回
路を示すその回路図、第６図は第１実施例に係る
キースイツチとしての出力特性を示すグラフ、第
７図は第１の従来例を示す概略縦断面図、第８図
は第２の従来例に係るスイツチ構造を示すその縦
断面図、第９図は第３の従来例に係るスイツチ構
造を示すその縦断面図である。
６１……管体、６９……ボデイ、７３……キー
、７７……ロツド、８５……透孔、９１……ＬＥ
Ｄ、９３……ホトダイオード、９５……フオトカ
プラ、１２０……検出回路。
FIG. 1 is a vertical sectional view of the main body of an electronic wind instrument showing the key switch structure according to the first embodiment of the present invention, FIG. 2 is a front view showing the whole electronic wind instrument according to the first embodiment, and FIG. The figure shows a side view of the rod according to the first embodiment, FIG. 4 is a front view of the rod, FIG. 5 is a circuit diagram showing the detection circuit according to the first embodiment, and FIG. A graph showing the output characteristics of the key switch according to the embodiment, FIG. 7 is a schematic vertical cross-sectional view showing the first conventional example, FIG. 8 is a vertical cross-sectional view showing the switch structure according to the second conventional example, and FIG. FIG. 9 is a vertical sectional view showing a switch structure according to a third conventional example. 61...tube, 69...body, 73...key, 77...rod, 85...through hole, 91...LE
D, 93...photodiode, 95...photocoupler, 120...detection circuit.
Claims (1)
ーに応動するよう管体に支持されたロツドと、 該ロツドの動作に対応した出力を発生させるフ
オトカプラと、 該フオトカプラからの出力信号によつて上記キ
ーの速度を検出する検出手段とを備えたことを特
徴とする電子管楽器のキースイツチ構造。[Claims for Utility Model Registration] A key disposed on a tubular body and operated by pressing, a rod supported on the tubular body so as to respond to the key, and a photocoupler that generates an output corresponding to the operation of the rod. A key switch structure for an electronic wind instrument, comprising: detecting means for detecting the speed of the key based on the output signal from the photocoupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3724388U JPH0734470Y2 (en) | 1988-03-22 | 1988-03-22 | Electronic wind instrument key switch structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3724388U JPH0734470Y2 (en) | 1988-03-22 | 1988-03-22 | Electronic wind instrument key switch structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01140595U true JPH01140595U (en) | 1989-09-26 |
| JPH0734470Y2 JPH0734470Y2 (en) | 1995-08-02 |
Family
ID=31263823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3724388U Expired - Lifetime JPH0734470Y2 (en) | 1988-03-22 | 1988-03-22 | Electronic wind instrument key switch structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0734470Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112204649A (en) * | 2018-05-30 | 2021-01-08 | 罗兰株式会社 | Electronic wind instrument |
-
1988
- 1988-03-22 JP JP3724388U patent/JPH0734470Y2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112204649A (en) * | 2018-05-30 | 2021-01-08 | 罗兰株式会社 | Electronic wind instrument |
| US20210201873A1 (en) * | 2018-05-30 | 2021-07-01 | Roland Corporation | Electronic wind instrument and method for manufacturing electronic wind instrument |
| EP3806085A4 (en) * | 2018-05-30 | 2022-01-12 | Roland Corporation | Electronic wind instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0734470Y2 (en) | 1995-08-02 |