JPS59158199U

JPS59158199U - electronic musical instruments

Info

Publication number: JPS59158199U
Application number: JP5267883U
Authority: JP
Inventors: 山田　恒雄; 茂沖田; 野秋　裕昭
Original assignee: 株式会社ケンウッド
Priority date: 1983-04-11
Filing date: 1983-04-11
Publication date: 1984-10-23

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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

図面は本考案に係る電子楽器の実施例を示し、第１図は
ブロック図、第２図は第１のメモリーに入力されるパル
ス波形とその前段部におけるパルス波形を比較したグラ
フ、第３図は第１のメモリー内のアドレスを示すグラフ
、第４図は他の実施例を示すブロック図である。１：第１のメモリーとしてのＲＯＭ、２：第２のメモリ
ーとしての高調波データメモリー、３：コントローラー
、４：鍵盤、５：反転回路、８：乗算器。The drawings show an embodiment of the electronic musical instrument according to the present invention, and FIG. 1 is a block diagram, FIG. 2 is a graph comparing the pulse waveform input to the first memory and the pulse waveform in the preceding stage, and FIG. 3 is a graph showing addresses in the first memory, and FIG. 4 is a block diagram showing another embodiment. 1: ROM as the first memory, 2: harmonic data memory as the second memory, 3: controller, 4: keyboard, 5: inverting circuit, 8: multiplier.

Claims

[Scope of utility model registration request]

A first memory for storing pulse waveforms, a second memory for storing harmonic coefficients of Fourier components, and a clock that generates a clock corresponding to the pitch specified by the keyboard and uses the clock to generate the first memory. a controller for addressing the memory; an inversion circuit capable of inverting the pulses from the first memory; and pulses selected as positive or negative phase by the inversion circuit and harmonic coefficients from the second memory. An electronic musical instrument comprising: a multiplier for multiplying by;