JPS587191U - Keystroke signal formation circuit for automatic performance - Google Patents

Keystroke signal formation circuit for automatic performance

Info

Publication number
JPS587191U
JPS587191U JP10027381U JP10027381U JPS587191U JP S587191 U JPS587191 U JP S587191U JP 10027381 U JP10027381 U JP 10027381U JP 10027381 U JP10027381 U JP 10027381U JP S587191 U JPS587191 U JP S587191U
Authority
JP
Japan
Prior art keywords
automatic performance
keystroke
keystroke signal
signal formation
formation 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
Application number
JP10027381U
Other languages
Japanese (ja)
Inventor
鈴木　計行
Original Assignee
ヤマハ株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ヤマハ株式会社 filed Critical ヤマハ株式会社
Priority to JP10027381U priority Critical patent/JPS587191U/en
Publication of JPS587191U publication Critical patent/JPS587191U/en
Pending legal-status Critical Current

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

【図面の簡単な説明】[Brief explanation of drawings]

第１図は、この考案の一実施例による鍵盤楽器自動演奏
装置のブロック図、第２図は、第１図の装置における打
鍵信号形成回路の動作を説明する　　　。 ための信号波形図、第３図は、この考案の他の実施例に
よる鍵盤楽器自動演奏装置のブロック図である。 ２０．２０’・・・打鍵信号形成回路、２２・・・カラ
、ン夕、２４・・・レジスタ、２６・・・比較回路。　
　　−−６１Ｑ ２８３２ ！FIG. 1 is a block diagram of an automatic keyboard instrument performance device according to an embodiment of the invention, and FIG. 2 explains the operation of a keystroke signal forming circuit in the device of FIG. FIG. 3 is a block diagram of an automatic keyboard instrument performance device according to another embodiment of this invention. 20.20'...Key press signal forming circuit, 22...Color, counter, 24...Register, 26...Comparison circuit.
--61Q 2832!

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] クロックパルスを計数するカウンタと、ある鍵の打鍵強
度を表わすクラッチデータを発生する手段と、前記カウ
ンタからの計数データ及び前記タッチデータを比較する
比較回路とをそなえ、この−比較回路から打鍵強度に応
じたパルス幅を有する打鍵信号を得るようにしたことを
特徴とする自動演奏用打鍵信号形成回路。A counter for counting clock pulses, means for generating clutch data representing the keystroke strength of a certain key, and a comparison circuit for comparing the counting data from the counter and the touch data, and the keystroke strength is determined from the comparison circuit. 1. A keystroke signal forming circuit for automatic performance, characterized in that a keystroke signal having a corresponding pulse width is obtained.
JP10027381U 1981-07-06 1981-07-06 Keystroke signal formation circuit for automatic performance Pending JPS587191U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10027381U JPS587191U (en) 1981-07-06 1981-07-06 Keystroke signal formation circuit for automatic performance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10027381U JPS587191U (en) 1981-07-06 1981-07-06 Keystroke signal formation circuit for automatic performance

Publications (1)

Publication Number Publication Date
JPS587191U true JPS587191U (en) 1983-01-18

Family

ID=29894969

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10027381U Pending JPS587191U (en) 1981-07-06 1981-07-06 Keystroke signal formation circuit for automatic performance

Country Status (1)

Country Link
JP (1) JPS587191U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5611675A (en) * 1979-07-04 1981-02-05 Marantz Japan Inc Key-touch strength changing circuit for automatic playing piano

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5611675A (en) * 1979-07-04 1981-02-05 Marantz Japan Inc Key-touch strength changing circuit for automatic playing piano

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