Optimum impedance system for coupling transceiver to power line

Details Optimum impedance system for coupling transceiver to power line Optimum impedance system for coupling transceiver to power line

1987-07-08

1990-11-27

LaRoche, Eugene R.

Communications: electrical

Systems

Selsyn type

333101, 333124, 333132, 455 78, 455 5, H04B 148, H04M 1106

Patent

active

049739409

ABSTRACT:
A method and apparatus for efficiently coupling a transceiver to an AC power line transmission system. The preferred embodiment of the coupling system comprises a line coupling network and first and second filter ports. The first filter port is connected to a resonant circuit having bandpass filtering characteristics adapted to the specific needs of the transmitter portion of the transceiver. The second filter port is isolated from the low impedance of the AC power line and is connected to a high quality factor filter having bandpath filtering characteristics adapted to the specific needs of the receiver portion of the transceiver.

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patent: 4333326 (1984-02-01), Howell
patent: 4633217 (1986-12-01), Akano
patent: 4654630 (1987-03-01), Adame
patent: 4686382 (1987-08-01), Shirey
patent: 4697166 (1987-09-01), Warmgiris et al.
patent: 4766414 (1988-08-01), Shirey

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