Hybrid electronic and electromechanical device for the productio

Electrical audio signal processing systems and devices – Sound effects – Tremelo or vibrato effects

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84739, H03G 300

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active

058481664

ABSTRACT:
An audio tremolo producing system uses a rotating horn as a tremolo producing device for mid and high frequency audio signals, and an electronic tremolo producing device capable of both phase and amplitude modulation for low frequency signals.

REFERENCES:
patent: 2622692 (1952-12-01), Leslie
patent: 2869667 (1959-01-01), Leslie
patent: 3022853 (1962-02-01), Santi
patent: 3080786 (1963-03-01), Leslie
patent: 3920905 (1975-11-01), Sharp
patent: 4008641 (1977-02-01), Takada et al.
patent: 4308428 (1981-12-01), Finch
Review of Inventor's product under "Motion Sound Pro-3" label in Keyboard Magazine, May 1995, pp. 85, 86, 88. Relevenat: p. 86.
Sidebar describing Leslie 302 speaker unit in Keyboard Magazine, Oct. 1993, p. 101. Relevant: p. 101.
Leslie Owner's Manual Model 145 & 145, Aug. 21, 1968.

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