Surge protection device for repeater

Details Surge protection device for repeater Surge protection device for repeater

1977-05-04

1978-08-29

Claffy, Kathleen H.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific current responsive fault sensor

361119, H04B 344

Patent

active

041105702

ABSTRACT:
A repeater suitable for use in submerged signal transmission systems, the repeater having inherent protection against power surges. The repeater includes a signal path including an amplifier and a separate path for powering the amplifier. The power path includes a zener diode and gas discharge tubes. One or more tubes are connected to conduct on a power surge to reverse bias the zener diode and effectively switch the diode off to protect the circuit during the incidence of the power surge.

REFERENCES:
patent: 3535474 (1970-10-01), Duimelaar
patent: 3868484 (1975-02-01), Bolton et al.
patent: 3980973 (1976-09-01), Hecken
patent: 4024356 (1977-05-01), Duimelaar

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