Power line communication system with system member identification
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United States of America Patent
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Mar 4, 2008
Grant Date -
Jun 22, 2006
app pub date -
Jan 11, 2006
filing date -
Nov 15, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An electric power line communication system operates with an electric power distribution system to provide, via premises power distribution lines, communication links among power line communication devices associated with the premises power distribution lines. A sensor unit and a first communication device may engage in two-way communication through the premises power distribution lines. The sensor unit may communicate data to a remote monitoring location via the first communication device or, if the first communication device is unreachable, via a second communication device. Alternatively, units associated with the premises power distribution lines may be arranged in a master-slave configuration, with a first unit configured to verify the functioning of two-way communication with the second unit. Also, a first unit may be connected to a high-voltage premises power distribution line, while a second unit may be connected to a low-voltage premises power distribution line.
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