Passive signal coupler between power distribution systems for the transmission of data signals over the power lines

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United States of America Patent

PATENT NO 4675648
SERIAL NO

06601186

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Abstract

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A passive signal coupler transfers data signals being transmitted over AC power lines from a first AC power distribution system to a second AC power distribution system. Each leg of the passive signal coupler coupled to a phase of the power line voltage includes a series LC circuit, tuned to the data signal carrier frequency. Each leg coupled to the first power system is terminated in a first winding of a transformer. Each leg coupled to the second power system is terminated in a second winding of the transformer.

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Patent Owner(s)

Patent OwnerAddress
HONEYWELL INC A CORP OF DEHONEYWELL PLAZA MINNEAPOLIS MN 55408

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hrdlicka, Gregory A Plymouth, MN 40 4708
Roth, Roger R Minnetonka, MN 14 616

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