Electronic musical instrument

Details Electronic musical instrument Electronic musical instrument

1977-10-17

1979-11-20

Witkowski, Stanley J.

Music

Instruments

G10H 100, G10H 500

Patent

active

041746490

ABSTRACT:
An electronic musical instrument which has a key assignor or assignors of one or more channels for generating and temporarily storing key code corresponding to key depression and release, respectively, a memory for storing waveshape information such as inclination and amplitude variations of a required musical waveshape divided into a plurality of periods so as to read out the waveshape information corresponding to the key code, a plurality of tone source devices, each including waveshape generators of different sound ranges respectively corresponding to keyboard switches in the same channel of each key assignor, the tone source device reading out the waveshape information from the memory on a time divided basis to generate from the waveshape generators waveshapes of different frequencies based on the read out waveshape information, and means for simultaneously actuating the corresponding waveshape generators by the key code from the key assignor and coupler information.

REFERENCES:
patent: 3844379 (1974-10-01), Tomisawa et al.
patent: 3979989 (1976-09-01), Tomisawa et al.

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