Electronic organ having an improved tone generator system

Details Electronic organ having an improved tone generator system Electronic organ having an improved tone generator system

1980-06-26

1984-04-17

Isen, Forester W.

Music

Instruments

84 117, 84 103, 84DIG2, 84DIG23, G10H 100

Patent

active

044427468

ABSTRACT:
A tone generator system for an electronic organ, which incorporates N programmable generators (where N is less than 12, and typically 7) which forms a system having the ability to sound notes of N different nomenclature tones at one time. A microprocessor controls the assignment of particular notes to each of the programmable generators, in accordance with the played keys of the keyboard(s) (and the tab switches, in the event that a partial footage is selected). Each of the programmable generators is connected to a chain of dividers and gates which are also under the control of the microprocessor. The information ascertained by the microprocessor from the keyboard(s) (and the tab switches) is used to control the selection of gates which control the passage of tone signals from appropriate dividers in the chains of dividers to an audio output system. More than one note of a particular nomenclature can be simultaneouly gated from the divider chain of a particular programmable generator.

REFERENCES:
patent: 4202239 (1980-05-01), Southard et al.

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