JPS58178199U

JPS58178199U - Key press indicating device

Info

Publication number: JPS58178199U
Application number: JP7648782U
Authority: JP
Inventors: 公太郎水野
Original assignee: ヤマハ株式会社
Priority date: 1982-05-25
Filing date: 1982-05-25
Publication date: 1983-11-29
Also published as: JPS6336345Y2

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

[Brief explanation of the drawing]

第１図はこの考案の一実施例を適用した電子オルガンに
おけるシングルフィンガーコードモード（ＳＦモード）
時の和音の押鍵例を示す図、第２図は同実施例を適用し
た電子オルガンにおけるフ□インガードゴードモード（
ＦＣモード）時の和音の押鍵例を示す図、第３図は同実
施例を適用した電子ｔ２ｖ′ｆ、７．（１；、、Ｚｆｌ
、ｒｉ？、７；；：、Ｓ””ｅｌｆ、’；、二、、、、
、、、　　　　　−゛デオ鍵盤、２・・・・・・楽譜デ
ータ書込手段、３・・・・・・楽゛譜データメモリ、４
・・・・・・読出制御回路（和音データ発生手段）、７
・・・・・・タイミング信号源、８・・・・・・　　　
　　、マルチプレクサ、１１・・・・・・表示回路（表
示手段）、１４・・・・・・発光ダイオード、１５・・
・・・・ＳＦデータメモ１ｊ（鍵表示データメモリ）、
１６・・・・・・セレクタ、−１７・・・・・−ＦＣデ
ータメモリ（鍵表示データメモリ）、１８・・・・・・
和音演奏モード選択スイッチ、３２・・・・・・和音キ
ースイッチ回路、３３・・・・・・セレク　　　　−夕
、３５・・・・・・従音形成回路。Figure 1 shows the single finger chord mode (SF mode) in an electronic organ to which an embodiment of this invention is applied.
Figure 2 shows an example of key presses for the chord of time.
FC mode), FIG. 3 is a diagram showing an example of key pressing of a chord in the FC mode), and FIG. (1;,,Zfl
,ri? ,7;;:,S""elf,';,2,...
,,, - Deo keyboard, 2... Musical score data writing means, 3... Musical score data memory, 4
...Reading control circuit (chord data generation means), 7
...timing signal source, 8...
, multiplexer, 11... display circuit (display means), 14... light emitting diode, 15...
...SF data memo 1j (key display data memory),
16...Selector, -17...-FC data memory (key display data memory), 18...
Chord performance mode selection switch, 32... Chord key switch circuit, 33... Select - evening, 35... Follow tone forming circuit.

Claims

[Scope of utility model registration request]

A chord keyboard for playing chords, a chord playing mode selection switch for selecting a chord playing mode, and a desired chord playing mode selection switch based on the key state of the chord playing mode and the output of the chord playing mode selection switch. A key press instruction device for an electronic musical instrument has a chord signal forming circuit for forming a chord signal in a chord performance mode, and a chord data generating means for generating chord data indicating a chord to be played; a key display data memory in which key display data corresponding to the chord indicated by the data is stored for each chord performance mode;
and display means for displaying a key press instruction using key display data read out from the key display data memory according to the chord performance mode selected by the chord performance mode selection switch. Tosuya key press instruction device.