Metallic current limiter

Details Metallic current limiter Metallic current limiter

H - Electricity

02

H

317/12.4

H02H 3/08 (2006.01)

Patent

CA 1331478

ABSTRACT A circuit for the non-linear limiting of the metallic current flowing in telephone line conductors. The circuit senses the metallic current flowing in the conductors. If that current exceeds a predetermined limit, the circuit provides from a controlled and variable voltage source a voltage across the conductors whose amplitude is reduced from the essentially constant amplitude voltage provided across the conductors when the current does not exceed the limit. The reduction in voltage amplitude is sufficient to maintain the metallic current at the limit.

600812

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