Multiplex communications – Wide area network – Packet switching
Patent
1978-12-04
1980-12-30
Konick, Bernard
Multiplex communications
Wide area network
Packet switching
179 16F, 370 75, 455 15, 455 20, H04H 108, H04B 336, H04B 332
Patent
active
042425425
ABSTRACT:
A frogging signal repeater for a transmission line communications system such as a telephone system having a trunk line connected between a pair of signal sources such as end central offices and/or standard signal repeaters. Each signal source generates information signals on a group of relatively high frequency carrier signals and receives information signals on a group of relatively low frequency carrier signals with the frogging signal repeater connected in the trunk line for translating the high and low frequency groups. The repeater includes means responsive to a high frequency group signal from one signal source for generating a coordination reference signal representing the length of the transmission line between the repeater and the one signal source and means responsive to the coordination reference signal and the high frequency group signals from the other signal source for generating the low frequency group signals to the one signal source whereby the low frequency group signals arrive at the one signal source at a predetermined magnitude.
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patent: 1595135 (1926-08-01), Affel
patent: 2695332 (1954-11-01), Caruthers
patent: 2826637 (1958-03-01), MacAdam
patent: 2908760 (1959-10-01), Stachiewicz
patent: 3103556 (1963-09-01), Nicholls et al.
patent: 3962547 (1976-06-01), Pattantyus-Abraham
patent: 4027259 (1977-05-01), Zellmer
patent: 4087639 (1978-05-01), Beene et al.
Transmission Systems for Communications, Bell Telephone Laboratories, 1957, pp. 5-10, 5-11.
Clemens William J.
Konick Bernard
Myers Randall P.
Reliance Telecommunication Electronics Company
Rickin Michael M.
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