Pulse or digital communications – Repeaters – Testing
Patent
1982-06-24
1985-01-22
Safourek, Benedict V.
Pulse or digital communications
Repeaters
Testing
H04L 2534
Patent
active
044956266
ABSTRACT:
A method and electronic network for limiting the electrical noise arising during transmission of digital data signals from a first integrated circuit having multiple output devices at which the data signals are formed to the input of a second integrated circuit. The method and network feature steps and means for sensing the conduction state of the first integrated circuit devices and for generating a control signal to invert the data signals before transmission when the number of output devices conducting is equal to or greater than a predetermined number. The method and network also feature steps and means for transmitting the data signals and control signal so that the data signals may be reconstituted to establish the data signals as they appear at the first integrated circuit output, before the data signals are presented to the second integrated circuit input.
REFERENCES:
patent: 3535552 (1970-10-01), Warren
patent: 3560856 (1971-02-01), Kaneko
patent: 3624414 (1971-11-01), Dijk
patent: 3805254 (1974-04-01), Schuur
patent: 3911395 (1975-10-01), Koike
Wooley et al., "An Integrated m-Out-Of-n Detection Circuit Using Threshold Logic", IEEE Journal of Solid State Circuits, 10/74, vol. SC-9, No. 5, 297-306.
Brunin Armand
D'Hervilly Guy
International Business Machines - Corporation
Jordan John A.
Safourek Benedict V.
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