In tone generators for electronic musical instruments

Music – Instruments

Patent

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Details

84DIG11, G10H 104, G10H 506

Patent

active

043589820

ABSTRACT:
A tone generator for electronic musical instruments, useful in particular for the modular composition of an electronic organ, comprising a plurality of inputs corresponding to a keyboard octave of the musical instrument. The inputs are connected to a plurality of groups of analog modulators which receive, respectively, tone signals produced by a tone generator and submultiples thereof produced by a plurality of toggles according to the number of footages desired on the output of the groups of modulators. The tone generator includes an audio frequency modulator having a high modulation index with full modulation depth remaining substantially constant over the whole supply voltage range.

REFERENCES:
patent: 3647928 (1972-03-01), Turner
patent: 3952625 (1976-04-01), Peterson
patent: 4043243 (1977-08-01), Peterson
patent: 4056996 (1977-11-01), Bunger
patent: 4145943 (1979-03-01), Luce

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