Power line communications system and coupling circuit for power line communications system
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United States of America Patent
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-
Jan 6, 1998
Grant Date -
N/A
app pub date -
May 9, 1995
filing date -
May 9, 1995
priority date (Note) -
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status (Latency Note)
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Abstract
A coupling circuit for a power line communications system for coupling information signals from a transmitter unit to a power line and for coupling information signals from the power line to a receiver unit. The coupling circuit includes: (a) a ferrite core coupler for isolating the transmitter unit or the receiver unit from a power line and for coupling information signals from the transmitter unit to the power line and from the power line to the receiver unit, (b) a bandpass filter for selectively passing information signals from the transmitter unit to thew power line and from the power line to the receiver unit, and (c) an impedance matching pad for matching the impedance of the transmitter unit to the impedance at an outlet connected to the power line and to which the transmitter unit is connected and the receiver unit to the impedance at an outlet connected to the power line and to which the receiver unit is connected.
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