Communications: electrical – Systems – Selsyn type
Reexamination Certificate
2006-04-11
2006-04-11
Nguyen, Phung T. (Department: 2632)
Communications: electrical
Systems
Selsyn type
C340S315000, C375S220000
Reexamination Certificate
active
07026917
ABSTRACT:
The present invention provides communications via multiple power lines that are communicatively coupled to each other at a coupling location, which for example may be at a substation. In one embodiment, the system may comprise a first communications device communicatively coupled to a first power line at a first location, wherein the first location is a first distance from the coupling location. A second communications device may be communicatively coupled to a second power line at a second location, wherein the second location is a second distance from the coupling location. The devices may be backhaul points, bypass devices, or other PLC network elements. The first communications device transmits data over power lines a first communications distance. The locations are selected so that sum of the first distance and second distance is greater than the first communications distance even if the first distance is less than the first communications distance.
REFERENCES:
patent: 6154488 (2000-11-01), Hunt
patent: 2002/0109585 (2002-08-01), Sanderson
Barnes Mel
Current Technologies, LLC
Manelli Denison & Selter PLLC
Nguyen Phung T.
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