Pulse or digital communications – Repeaters – Testing
Patent
1985-04-26
1987-06-02
Safourek, Benedict V.
Pulse or digital communications
Repeaters
Testing
178 70R, 178 71R, H04L 2524
Patent
active
046708863
ABSTRACT:
A repeater circuit for repeating data on a communication channel, the repeater circuit having two receiver/driver circuits arranged in repeating fashion and having a control circuit for maintaining the receiver/driver circuits in a listening mode, for switching one of the receiver/driver circuits to a transmitting mode when the other of the receiver/driver circuits receives data, and for maintaining the switched receiver/driver circuits switched by an amount of time required for the bus connected to the switched receiver/driver circuit to return to its normal state after the cessation of transmitted data.
REFERENCES:
patent: 2109026 (1938-02-01), McCann
patent: 3586793 (1971-06-01), Neal
patent: 4154978 (1979-05-01), Tu
"ICs Extend RS-422 to Multistation Applications", Dak Pippenger, Electronic Design News, 3/21/85, pp. 181-188.
Newcombe, Jr. William R.
Prysby Daniel G.
Sanderson Michael E.
Schiller David S.
Honeywell Inc.
Joike Trevor B.
Safourek Benedict V.
Sumner John P.
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