Protector module for telephone systems

Details Protector module for telephone systems Protector module for telephone systems

1975-06-09

1977-01-18

Harris, George

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

Space discharge device

317 66, H01H 3900

Patent

active

040042634

ABSTRACT:
An improved telephone line protection device including means for grounding excessive currents and voltages. The disclosed embodiments include temperature actuated resilient means for shorting currents directly to a source of ground potential without passing such currents through the elements normally present for protecting against excessive voltage surges, which are damaged by carrying excessive currents.

REFERENCES:
patent: 3743888 (1973-07-01), Baumbach
patent: 3818271 (1974-06-01), Baumbach
patent: 3849750 (1974-11-01), Baumbach et al.
patent: 3886411 (1975-05-01), Klayum

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