Volume control arrangement for an electro-acoustic system

Details Volume control arrangement for an electro-acoustic system Volume control arrangement for an electro-acoustic system

1976-06-01

1978-07-18

Dahl, Lawrence J.

Amplifiers

With control of power supply or bias voltage

84 124, 84 127, 179 1M, 179 1VL, 330126, H03F 368, H03G 300

Patent

active

041018400

ABSTRACT:
A volume control arrangement for an electro-acoustic system, said arranget having an adjustable amplification factor and a frequency characteristic dependent thereon, and comprising a frequency selective circuit which has an amplitude/frequency characteristic curve having at least one maximum lying within the audio frequency range and equivalent to the pass range of a band filter, and a circuit arrangement for varying the frequency and amplitude of the maximum in dependence on the adjustment of the amplification factor.

REFERENCES:
patent: 2235249 (1941-03-01), Baxter
patent: 3688010 (1972-08-01), Freeman
patent: 3719782 (1973-03-01), Barnum

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