Optical waveguides – Optical transmission cable
Reexamination Certificate
2006-05-16
2006-05-16
Boutsikaris, Leonidas (Department: 2872)
Optical waveguides
Optical transmission cable
C340S315000, C307S003000, C455S402000
Reexamination Certificate
active
07046882
ABSTRACT:
The present invention is drawn to an electrically “closed” method and apparatus for transmitting and receiving data signals over a high voltage power line. Inductive coupling is employed for coupling and decoupling the data signal directly on to and off of a single power line wire. An exemplary device includes a high frequency inductive coupling toroid for data signals, a second (50–60 Hz) inductive coupling toroid for providing power, signal conditioning electronics for the receive and transmit signal, a fiber optics interface for electrical isolation purposes, and a weather-proof enclosure. In a preferred embodiment, the toroids are hinged for ease of installation on a power line. A pair of such couplings on either side of a fiber-optic isolator can be used to bridge transformers.
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Barnes Mel
Boutsikaris Leonidas
Current Technologies, LLC
Manelli Denison & Selter PLLC
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