Noise suppression system

Details Noise suppression system Noise suppression system

1979-03-21

1981-03-24

Mullins, James B.

Amplifiers

Hum or noise or distortion bucking introduced into signal...

330124R, 330126, 330258, 330295, H03F 126

Patent

active

042583292

ABSTRACT:
A noise suppression device for automobile stereo components having a noist suppression circuit interposed between the output of the audio source and the input of the amplifier section. The suppression circuit has a differential amplifier or an operational amplifier to eliminate noise from the source. In a multi-amplifier system the noise suppression device is interposed between the pre-amplifier and the primary amplifiers.

REFERENCES:
patent: 3448398 (1969-06-01), Ball et al.
patent: 4024346 (1977-05-01), McDermott
patent: 4138641 (1979-02-01), Karlin et al.
patent: 4162456 (1979-07-01), Lukes
Penfold, "Ambiphonic Adapter", Radio & Electronics Constructor, Apr. 1976, pp. 534-539.
"The Loud Mouth," Elektor, Oct. 1976, pp. 1048-1052.

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