Noise pulse suppressing system

Details Noise pulse suppressing system Noise pulse suppressing system

1979-07-09

1982-01-19

Heyman, John S.

Pulse or digital communications

Repeaters

Testing

328165, 328147, 375104, 455304, H04B 110

Patent

active

043119638

ABSTRACT:
A noise pulse suppression system for a receiver comprising holding means for holding an input signal level which precedes immediately the appearance of a noise pulse for a predetermined time duration upon appearance of the noise pulse in an input signal, subtracting means for determining the difference between the input and output of a delay circuit for delaying the input signal or a difference between the delayed output and an output obtained by holding the delayed output for a predetermined time duration, and adding means for adding a correcting signal obtained from the subtracting means to the output of the holding means. The circuit suppresses noise pulses in the input signal and does not generate additional noise.

REFERENCES:
patent: 3588705 (1971-06-01), Paine
patent: 3689845 (1972-09-01), Hepp
patent: 4114105 (1978-09-01), Duncan
patent: 4156202 (1979-05-01), Takahashi
patent: 4204170 (1980-05-01), Kage
patent: 4220926 (1980-09-01), Buckner

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