Remote supply circuit for analog two-wire connection
OwnerMarc Bonisinventor
Life of this patent
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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.
Claims4
A remote supply circuit for an analog two-wire connection comprising at least one current source inserted between the earth and each of the two wires of the connection, wherein the said source comprises a direct current remote supply source and a variable transmission current source and wherein it comprises two RC series dipoles in each case inserted between the earth and the said two wires and a circuit able to fix to the earth the average potential of the wires.
Dependencies are inferred from the claim text.