Data coupler
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United States of America Patent
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-
Jul 24, 2012
Grant Date -
Feb 5, 2009
app pub date -
Oct 16, 2008
filing date -
May 26, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A data coupler includes an antenna substrate that is not electrically connected in a DC arrangement to an electric power line, is arranged adjacent to the electric power line, and is connected to a modem. A resonant circuit including an inductance element and a capacitance element is provided in the antenna substrate. In the resonant circuit, the inductance element is magnetically coupled to the electric power line. The resonant circuit transmits a radio-frequency signal superimposed on the electric power line to the modem. The resonant circuit also transmits a transmission signal from the modem to the electric power line.
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