AC/DC power line communication modem

Details AC/DC power line communication modem AC/DC power line communication modem

2006-03-13

2010-11-23

Fureman, Jared J (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

Reexamination Certificate

active

07839618

ABSTRACT:
An AC/DC power device for AC/DC power line communication is provided. An AC/DC protection circuit coupled to an AC/DC power line is able to receive an AC or DC power. An AC/DC configuration circuit coupled to the AC/DC protection circuit is used to switch between an AC mode and a DC mode PLC. An AC/DC coupling/filtering circuit coupled to the AC/DC configuration circuit is to couple and filter the received power, and then coupled an AC voltage or a first DC voltage. An AC/DC converter coupled to the AC/DC coupling/filtering circuit is used to convert the AC voltage into a second DC voltage. A DC/DC converter coupled to the AC/DC coupling/filtering circuit and the AC/DC converter is to convert the first DC voltage (DC mode) and convert the second DC voltage (AC mode), so as to output DC voltages respectively to analog and digital circuit of the PLC modem.

REFERENCES:
patent: 4860185 (1989-08-01), Brewer et al.
patent: 2002/0002040 (2002-01-01), Kline et al.
patent: 2003/0071719 (2003-04-01), Crenshaw et al.
patent: 2003/0197425 (2003-10-01), Montante
patent: 9204821 (1992-07-01), None
patent: 4200935 (1993-08-01), None
patent: 1054504 (2000-11-01), None
patent: 1285501 (2004-03-01), None

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