JPS58118488U - Keystroke strength control circuit for automatic performance pianos - Google Patents
Keystroke strength control circuit for automatic performance pianosInfo
- Publication number
- JPS58118488U JPS58118488U JP1502182U JP1502182U JPS58118488U JP S58118488 U JPS58118488 U JP S58118488U JP 1502182 U JP1502182 U JP 1502182U JP 1502182 U JP1502182 U JP 1502182U JP S58118488 U JPS58118488 U JP S58118488U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- keystroke strength
- outputs
- control circuit
- strength control
- 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図は従来の自動演奏用ピアノにおける打鍵強度制御
回路の構成例を示すブロック図、第２図は第１図の各部
の出力波形を示す波形図、第３図はこの考案の一実施例
の構成を示すブロック図、第４図は第３図の各部の出力
波形を示す波形図、第５図は７ビツトのプリセットカウ
ンタをＭＯＳ・ＬＳＩで構成する場合の具体的回路例を
示す回路図、第６図は７ビツトの一致回路をＭＯＳ 、
ＬＳＩで構成する場合の具体的回路例を示す回路図であ
る。
２・・・・・・カウンタ回路、４−１〜４−・ｎ・・・
・・・打鍵強度情報出力回路（データ出力回路）、８−
１〜８−ｎ・・・・・・−数回Ｌ５−１〜５−ｎ・・・
・・・パルス発生回路。Fig. 1 is a block diagram showing a configuration example of a keystroke strength control circuit in a conventional automatic performance piano, Fig. 2 is a waveform diagram showing output waveforms of each part of Fig. 1, and Fig. 3 is an example of an embodiment of this invention. 4 is a waveform diagram showing the output waveforms of each part in FIG. 3, and FIG. 5 is a circuit diagram showing a specific circuit example when a 7-bit preset counter is configured with MOS/LSI. , Figure 6 shows a 7-bit matching circuit in MOS form,
FIG. 2 is a circuit diagram showing a specific example of a circuit when configured with an LSI. 2... Counter circuit, 4-1 to 4-.n...
... Keystroke strength information output circuit (data output circuit), 8-
1~8-n...-Several times L5-1~5-n...
...Pulse generation circuit.
Claims (1)
に、前記計数結果が所定の値に達したとき、リセット信
号を出力するカウンタ回路と、打鍵強度情報を出力する
打鍵強度情報出力回路と、前記カウンタ回路から出力さ
れる計数結果と、前記打鍵強度情報出力回路の出力デー
タとが一致したとぎ、一致信号を出力する回章回路と、
−前記一致信号によりセットされ、前記リセット信号に
より゛リセットされるパルス発生回路とを具備してなる
自動演奏用ピアノにおける打鍵強度制御回路。a counter circuit that counts clock pulses, outputs the counting result, and outputs a reset signal when the counting result reaches a predetermined value; a keystroke strength information output circuit that outputs keystroke strength information; a circulation circuit that outputs a coincidence signal when the counting result output from the circuit matches the output data of the keystroke strength information output circuit;
- A keystroke strength control circuit for a self-playing piano, comprising a pulse generation circuit that is set by the coincidence signal and reset by the reset signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1502182U JPS58118488U (en) | 1982-02-05 | 1982-02-05 | Keystroke strength control circuit for automatic performance pianos |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1502182U JPS58118488U (en) | 1982-02-05 | 1982-02-05 | Keystroke strength control circuit for automatic performance pianos |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58118488U true JPS58118488U (en) | 1983-08-12 |
Family
ID=30027467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1502182U Pending JPS58118488U (en) | 1982-02-05 | 1982-02-05 | Keystroke strength control circuit for automatic performance pianos |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58118488U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4844823A (en) * | 1971-10-08 | 1973-06-27 | ||
| JPS5614298A (en) * | 1979-07-16 | 1981-02-12 | Nippon Marantz | String striking strength changing circuit for automatically performing piano |
| JPS587191B2 (en) * | 1975-03-20 | 1983-02-08 | セイコーエプソン株式会社 | Automatic rate slow/slow crystal clock |
-
1982
- 1982-02-05 JP JP1502182U patent/JPS58118488U/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4844823A (en) * | 1971-10-08 | 1973-06-27 | ||
| JPS587191B2 (en) * | 1975-03-20 | 1983-02-08 | セイコーエプソン株式会社 | Automatic rate slow/slow crystal clock |
| JPS5614298A (en) * | 1979-07-16 | 1981-02-12 | Nippon Marantz | String striking strength changing circuit for automatically performing piano |
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