Wireless communication system by using electric power line as data link network
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United States of America Patent
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Jun 3, 2003
Grant Date -
Jan 30, 2003
app pub date -
Jul 25, 2001
filing date -
Jul 25, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A wireless communication system by using an electric power line as a data link network is disclosed. The system includes a plurality of primary wireless communication modules, a plurality of secondary wireless communication modules. Each of the primary wireless communication modules includes a data communication device coupled to a data link port of a controller, and a filter coupled between the data communication device and the electric power line. The system status memories of the primary wireless communication modules are synchronized to each other by transmitting the system status data therebetween according to a predetermined communication protocol on a selected communication channel through the electric power line.
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