Electronic musical instrument

Details Electronic musical instrument Electronic musical instrument

1984-04-24

1985-09-10

Witkowski, Stanley J.

Music

Instruments

84 124, G10H 104, G10H 700

Patent

active

045398852

ABSTRACT:
An electronic musical instrument which employs frequency numbers and is capable of producing a natural and expressive effect such as vibrato or the like with a simple structure. The electronic musical instrument is provided with a frequency number memory for storing a frequency number corresponding to the note of each key and a frequency number for modulation prepared for each key corresponding to frequency modulated data, a frequency modulated data generating units for selectively generating glide data and vibrato data, and an key assignor for generating key depression information and keyboard information. The key depression information being used to address a high-order address of the frequency number memory and the low-order address of the frequency number memory by being addressed frequency modulated data available from the frequency modulated data generating units.

REFERENCES:
patent: 3929053 (1975-12-01), Deutsch
patent: 3951030 (1976-04-01), Deutsch
patent: 3978755 (1976-09-01), Woron
patent: 3979996 (1976-09-01), Tomisawa et al.
patent: 4122743 (1978-10-01), Tomisawa et al.
patent: 4152966 (1979-05-01), Deutsch
patent: 4189972 (1980-02-01), Yamada et al.
patent: 4198892 (1980-04-01), Gross
patent: 4351220 (1982-09-01), Yamada et al.
patent: 4375178 (1983-03-01), Whitefield

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