Electric Power Research Institute Incorporated

William C Guyker

Walter M Curt

Glen K Shomo

James M Childers, Iv

Timothy M Croushore

Chris F Mullins

An apparatus to establish bi-directional digital communication over a power line network includes a signal launching circuit to impose a digital communication signal onto a power signal carried by a power line network and thereby form a digital communication power signal at a first point in the power line network. The signal launching circuit is configured to position a pulse of the digital communication signal at any phase location of each half cycle of the power signal. A receiver reads the digital communication power signal at a second point in the power line network. A signal processor is connected to the receiver to recover the digital communication signal from the digital communication power signal.

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Greensburg, PA, United States of America

William C Guyker