Signal control apparatus

Electrical audio signal processing systems and devices – Including frequency control – Automatic tone control

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Details

381109, H03G 500

Patent

active

047109629

ABSTRACT:
A signal control apparatus includes a circuit (26) for bearing a first characteristic to an original signal and outputting it as a first signal; a circuit (28) for bearing a second characteristic to the original signal and outputting it as a second signal; an adder circuit (30; 50) for adding the first and second signal with a variable proportion therebetween; and a control circuit (38) for controlling the variable proportion in accordance with the original signal in order to vary the output signal characteristic continuously.

REFERENCES:
patent: 3313885 (1967-04-01), Aiken
patent: 3487341 (1969-12-01), Grout
patent: 3732373 (1973-05-01), Boyden
patent: 4031319 (1977-06-01), Desai
patent: 4101840 (1978-07-01), Fricke
patent: 4320534 (1982-03-01), Sakai
patent: 4466118 (1984-08-01), Dressler

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