Wave transmission lines and networks – Coupling networks – Equalizers
Patent
1977-07-11
1979-11-27
Witkowski, Stanley J.
Wave transmission lines and networks
Coupling networks
Equalizers
84 111, 84 122, 179 1D, 328127, 328167, 333167, G10H 100
Patent
active
041763297
ABSTRACT:
A tone control circuit using only one potentiometer to provide bass or treble control is described. An integrator and a differentiator are connected to the input of the circuit and their outputs to the two ends of the potentiometer. Electrical connection between the potentiometer and the input is also made to provide a flat frequency characteristic component in the output signal.
REFERENCES:
patent: 3911776 (1975-10-01), Beigel
Massachusetts Institute of Technology
Santa Martin M.
Smith, Jr. Arthur A.
Witkowski Stanley J.
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