Installation for checking a repeater of a transmission route

Details Installation for checking a repeater of a transmission route Installation for checking a repeater of a transmission route

1974-10-04

1976-05-25

Claffy, Kathleen H.

H04B 346

Patent

active

039596060

ABSTRACT:
The invention comes within the branch of the checking of repeaters formed by two semi-repeaters placed in units spaced out along a transmission network having multiple quads and comprising nodal derivation points for derivating a cable section into several cable sections. It concerns the checking of a predetermined repeater by looping the output of one of its semi-repeaters to the input of the other semi-repeater, by means of a relay logic circuit. The installation comprises means to choose the order number of a derivation, at each nodal point on the network.

REFERENCES:
patent: 3458661 (1969-07-01), Forde et al.
patent: 3519935 (1970-07-01), Hochgraf
patent: 3692964 (1972-09-01), Camiciottli et al.

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