Remote supply circuit for analog two-wire connection

Electricity: power supply or regulation systems – Including an impedance – Thermistor or resistor

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179 78R, 34087039, 307 56, H03H 100

Patent

active

043981437

ABSTRACT:
This circuit comprises at least one power supply inserted between the earth and each of the two wires of the connection, two RC series dipoles in each case inserted between the earth and the two wires and a circuit able to fix to the earth the average potential of these wires.
Application to telephony and the supply of sensors.

REFERENCES:
patent: 2302293 (1942-11-01), Brown
patent: 2509389 (1950-05-01), Blake
patent: 4205327 (1980-05-01), Dahlke
patent: 4217634 (1980-08-01), Dalley et al.

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