JPS58154997U - Envelope circuit for electronic musical instruments - Google Patents
Envelope circuit for electronic musical instrumentsInfo
- Publication number
- JPS58154997U JPS58154997U JP5232782U JP5232782U JPS58154997U JP S58154997 U JPS58154997 U JP S58154997U JP 5232782 U JP5232782 U JP 5232782U JP 5232782 U JP5232782 U JP 5232782U JP S58154997 U JPS58154997 U JP S58154997U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- electronic musical
- envelope
- musical instruments
- envelope circuit
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図および第３図は従来例を示す回路図、第２図は第
１図示回路による減衰エンベロープ波形、第４図は本考
案の一実施例を示す回路図、第５図は第４図示回路によ
る減衰エンベロープ波形である。
Ｖ１□・・・・・・入力端子、Ｖｏｕｔ・・・・・・出
力端子、ＳＷ・・・・・・スイッチ、Ｒ□〜Ｒ５・・・
・・・抵Ｌ Ｃ−−−−−−コンデンサ、Ｄ、 ＤＩ、
Ｄ２． Ｄ３・曲佼゛イオード。1 and 3 are circuit diagrams showing a conventional example, FIG. 2 is an attenuation envelope waveform according to the circuit shown in the first diagram, FIG. 4 is a circuit diagram showing an embodiment of the present invention, and FIG. 5 is a circuit diagram shown in the fourth diagram. This is the attenuated envelope waveform due to the circuit. V1□...Input terminal, Vout...Output terminal, SW...Switch, R□~R5...
...Resistor LC------Capacitor, D, DI,
D2. D3・Kokugai ode.
Claims (1)
開閉に応じて充放電するコンデンサと抵抗からなる回路
とを少なくとも備え、該回路の放電時定数に応じたエン
ベロープ波形を発生する電子楽器のエンベロープ回路に
おいて、複数個の抵抗を該コンデンサに並列に接続する
と共に、該複数個の抵抗のうち所望の抵抗の夫々にダイ
オードを並列に接続し、ダイオードのスイッチング特性
を利用して該回路の放電時定数を時間的に変化させるよ
う構成したことを特徴とする電子楽器のエンベロープ回
路。An electronic musical instrument comprising at least a switch that opens and closes in response to a key operation, and a circuit consisting of a capacitor and a resistor that charges and discharges in response to the opening and closing of the switch, and that generates an envelope waveform according to the discharge time constant of the circuit. In an envelope circuit, a plurality of resistors are connected in parallel to the capacitor, a diode is connected in parallel to each desired resistance among the plurality of resistors, and the switching characteristics of the diode are used to discharge the circuit. An envelope circuit for an electronic musical instrument, characterized in that it is configured to temporally change a time constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5232782U JPS58154997U (en) | 1982-04-10 | 1982-04-10 | Envelope circuit for electronic musical instruments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5232782U JPS58154997U (en) | 1982-04-10 | 1982-04-10 | Envelope circuit for electronic musical instruments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58154997U true JPS58154997U (en) | 1983-10-17 |
Family
ID=30063035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5232782U Pending JPS58154997U (en) | 1982-04-10 | 1982-04-10 | Envelope circuit for electronic musical instruments |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58154997U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020217545A1 (en) * | 2019-04-22 | 2020-10-29 | 猪野 貴行 | Economizer |
-
1982
- 1982-04-10 JP JP5232782U patent/JPS58154997U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020217545A1 (en) * | 2019-04-22 | 2020-10-29 | 猪野 貴行 | Economizer |
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