SURGE VOLTAGE PROTECTIVE GEAR FOR TWO-WIRE COMMUNICATION LINE Russian patent published in 1995 - IPC

Abstract RU 2050663 C1

FIELD: electronic engineering. SUBSTANCE: protective gear has lightening arrestor inserted in each conductor, varistors, capacitors connected in parallel with them, two choke coils connected in series in each of conductors, double-ended semiconductor limiters inserted between output terminals and ground circuit. EFFECT: improved speed of response, reduced operating voltage, provision for protecting equipment in case of long-time surge voltages applied to communication lines. 1 dwg

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RU 2 050 663 C1

Authors

Zharov S.A.

Pokrovskij S.Ju.

Gusev O.L.

Dates

1995-12-20—Published

1993-07-01—Filed