Tone control device

Details Tone control device Tone control device

1979-09-10

1981-08-18

Gensler, Paul L.

Wave transmission lines and networks

Coupling networks

Equalizers

179 1D, 330109, 330126, H03H 701

Patent

active

042849659

ABSTRACT:
A tone control device for an audio equipment comprises a first mixer amplifier, at least one second mixer, a third mixer and at least one band rejection filter, which are operatively engaged with each other such that a center frequency, Q value and gain thereof can be independently controlled.

REFERENCES:
patent: 3921104 (1975-11-01), Gundry
patent: 4074204 (1978-02-01), Broburg et al.
patent: 4186274 (1980-01-01), Mayshar

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