System and method for power line carrier communication using...

Details System and method for power line carrier communication using... System and method for power line carrier communication using...

2007-11-27

2010-11-30

Vu, David Hung (Department: 2821)

Electric lamp and discharge devices: systems

Current and/or voltage regulation

C315S307000, C340S870030, C340S870030

Reexamination Certificate

active

07843145

ABSTRACT:
A communication system and method is utilized to communicate data over an AC power line. Tone burst are superimposed on an AC power signal at predetermined voltage reference levels or at predetermined phase angles to represent bit values. These bit values are represented by either the presence or the absence of the tone burst on the AC power signal. In this manner, control information can be communicated to an apparatus, such as a ballast for a gas discharge lamp.

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