Power feeding submarine telecommunications systems

Details Power feeding submarine telecommunications systems Power feeding submarine telecommunications systems

1984-09-20

1987-02-03

Orsino, Jr., Joseph A.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

370 16, 307 53, 307 64, 307 69, 375 4, H04B 900

Patent

active

046413723

ABSTRACT:
An optical undersea telecommunications system has a main cable (1) which branches (BU1) near a landfall to two separate stations. Each branch (71,81) supplies half the current of the main cable (1) for powering the regenerators. In the event of a fault in a branch (e.g. 81) caused by an anchor or fishing gear, the operations branch (71) regenerator (e.g 11) can supply the full current (I) via a zener diode power feed and bypass circuit and high voltage diodes (D1,D2) automatically prevent leakage of current back to the fault.

REFERENCES:
patent: 3644787 (1972-02-01), Hamilton

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