DEVICE PROTECTING AGAINST NOISES Russian patent published in 1997 - IPC

Abstract RU 2074516 C1

FIELD: communication equipment, instruments of various assignment. SUBSTANCE: operation of device protecting against noises is based on subtraction of accumulated discrete values of noise from input signal. Automatic smooth adjustment of coefficient of transmission of noise with subsequent synchronous attenuation of compensating voltage are provided in device to decrease influence of level of noise on its suppression. EFFECT: decreased influence of level of noise on its suppression. 1 dwg

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RU 2 074 516 C1

Authors

Sobolev A.I.

Aksenov F.V.

Udal'Tsov A.B.

Dates

1997-02-27—Published

1990-04-06—Filed