Tone control circuit

Wave transmission lines and networks – Coupling networks – Equalizers

Patent

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Details

330126, 381101, H03H 703

Patent

active

044384149

ABSTRACT:
A tone control circuit is provided having several parallel channels each of which comprises an electronic potentiometer. In each of the channels is disposed a filtering element. Thus, for an output terminal common to the different channels, each of the channels comprises a filter comprising a series element corresponding to the series element of this channel and a parallel element corresponding to the series elements placed in parallel of the other channels. The present invention simplifies the construction of tone control circuits in the form of integrated circuits.

REFERENCES:
patent: 2235249 (1941-03-01), Baxter
patent: 3932819 (1976-01-01), Spencer

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