Telegraphy – Systems – Printing
Patent
1975-02-27
1976-07-20
Zazworsky, John
Telegraphy
Systems
Printing
178 69A, 179170E, 307234, 307268, 328164, 328165, H03B 104, H03K 501, H04B 1500
Patent
active
039709442
ABSTRACT:
A pulse suppression circuit arrangement, suitable for use in a data transmission system, for suppressing, in dependence on the length thereof, noise disturbance or other undesired signal pulses of lengths outside a range of lengths in which useful signal pulses lie wherein a train of output signal pulses, freed of superimposed errors caused by said undesired signal pulses, is obtained by at least one process of coupling incoming signal pulses with generated pulses produced when said incoming signal pulses occur, each such coupling process consisting in coupling incoming signals or signals derived therefrom with the generated pulse output from triggerable pulse generator means triggered by signal pulse edges of one polarity and the time constant of which is less than the useful signal pulse length and greater than undesired signal pulse length and again effecting such coupling under the control of incoming signal edges of the other polarity.
REFERENCES:
patent: 3328602 (1967-06-01), Taylor
patent: 3555434 (1971-01-01), Sheen
patent: 3676699 (1972-07-01), Warren
patent: 3796831 (1974-03-01), Bauer
Nixdorf Computer AG
Zazworsky John
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