JPS5888697U - Solenoid protection circuit in automatic piano performance equipment - Google Patents
Solenoid protection circuit in automatic piano performance equipmentInfo
- Publication number
- JPS5888697U JPS5888697U JP18076481U JP18076481U JPS5888697U JP S5888697 U JPS5888697 U JP S5888697U JP 18076481 U JP18076481 U JP 18076481U JP 18076481 U JP18076481 U JP 18076481U JP S5888697 U JPS5888697 U JP S5888697U
- Authority
- JP
- Japan
- Prior art keywords
- solenoid
- memory
- protection circuit
- automatic piano
- piano 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.)
- Granted
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図はこの考案の一実施例を適用したピアノ自動演奏
装置の構成を示すブロック図、第２図イ。
口は各々同ピアノ自動演奏装置において用いられる演奏
データの形式を示す図、第３図は同ピアノ自動演奏装置
におけるソレノイド駆動部１０の構成を示すブロック図
、第４図は同ピアノ自動演奏装置の動作を説明するため
の波形図、第５図は同ピアノ自動演奏装置におけるメモ
リ１１内に作成されるオン／オフテーブルおよびタイマ
テーブルを示す図である。
３・・・・・・ソレノイド、６・・・・・・記憶部、９
・・・・・・制御回路、１１・・・・・・メモリ。FIG. 1 is a block diagram showing the configuration of an automatic piano performance device to which an embodiment of this invention is applied, and FIG. 2A. Figure 3 is a block diagram showing the configuration of the solenoid drive section 10 in the automatic piano performance apparatus, and Figure 4 is a diagram showing the format of performance data used in the automatic piano performance apparatus. FIG. 5 is a waveform diagram for explaining the operation, and is a diagram showing an on/off table and a timer table created in the memory 11 in the automatic piano performance device. 3...Solenoid, 6...Storage section, 9
...Control circuit, 11...Memory.
Claims (1)
演奏データに基づいて操作子駆動用のソレノイドを駆動
してピアノを自動的に演奏するピアノ自動演奏装置にお
いて、（ａ）ソレノイド駆動信号を前記ソレノイドへ印
加すべき印加時間より長い時間をメモリに設定する手段
と、（ｂ）このメモリに設定された時間を計測する手段
と、（Ｃ）前記メモリに設定された時間を、前記印加時
間が経過した時点でクリアする手段と、（ｄ）前記メモ
リに設定された時間が経過するまで同メモリに設定され
た時間がクリアされなかった時、前記ソレノイドをオフ
とする手段とを具備してなるピアノ自動演奏装置におけ
るソレノイド保護回路。In an automatic piano performance device that reads performance data stored in a storage unit and automatically plays a piano by driving a solenoid for driving an operator based on the read performance data, (a) the solenoid drive signal is means for setting in memory a time longer than the application time to be applied to the solenoid; (b) means for measuring the time set in the memory; and (C) means for setting the time set in the memory to the application time. (d) means for turning off the solenoid when the time set in the memory is not cleared until the time set in the memory has elapsed. Solenoid protection circuit for automatic piano performance equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18076481U JPS5888697U (en) | 1981-12-04 | 1981-12-04 | Solenoid protection circuit in automatic piano performance equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18076481U JPS5888697U (en) | 1981-12-04 | 1981-12-04 | Solenoid protection circuit in automatic piano performance equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5888697U true JPS5888697U (en) | 1983-06-16 |
| JPS6215840Y2 JPS6215840Y2 (en) | 1987-04-21 |
Family
ID=29977644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18076481U Granted JPS5888697U (en) | 1981-12-04 | 1981-12-04 | Solenoid protection circuit in automatic piano performance equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5888697U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05224665A (en) * | 1992-02-14 | 1993-09-03 | Kawai Musical Instr Mfg Co Ltd | Solenoid driving device of automatic plano player |
-
1981
- 1981-12-04 JP JP18076481U patent/JPS5888697U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05224665A (en) * | 1992-02-14 | 1993-09-03 | Kawai Musical Instr Mfg Co Ltd | Solenoid driving device of automatic plano player |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6215840Y2 (en) | 1987-04-21 |
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