Glide circuit for electronic musical instrument

Details Glide circuit for electronic musical instrument Glide circuit for electronic musical instrument

1978-01-13

1981-06-02

Witkowski, Stanley J.

Music

Instruments

G10H 102

Patent

active

042704316

ABSTRACT:
A circuit for producing a special effect, such as a sliding tone effect or a "Hawaiian Guitar" tonal effect, utilizes a coincidence gating circuit and a bi-stable flip-flop to control a time delay circuit connected to the tone generating circuit of an electronic organ. This circuit responds to the playing of two keys of the keyboard in a rolled chord fashion to cause an automatic detuning of the master oscillator of the tone generating circuit, so that the tones go one semi-tone flat for a short period of time and then glide back into proper tune as controlled by the characteristics of the time delay circuit.

REFERENCES:
patent: 3809792 (1974-05-01), Deutsch
patent: 3854366 (1974-12-01), Deutsch
patent: 3871262 (1975-03-01), Robinson et al.
patent: 3884108 (1975-05-01), Deutsch
patent: 4073209 (1978-02-01), Whittington et al.
patent: 4080862 (1978-03-01), Hiyoshi et al.
patent: 4083283 (1978-04-01), Hiyoshi et al.
patent: 4083284 (1978-04-01), Nakada

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