Power line carrier system

Communications: electrical – Systems – Selsyn type

Reexamination Certificate

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Details

C340S315000, C340S315000, C340S315000

Reexamination Certificate

active

07049939

ABSTRACT:
The power line carrier system provides with a filter in a power branch apparatus removable from an external power line. The filter passes a power line carrier signal in a signal mode for the external power line, and interrupts another power line carrier signal which is in a signal mode different from the mode for the external power line.

REFERENCES:
patent: 3689886 (1972-09-01), Durkee
patent: 5038364 (1991-08-01), Motoori
patent: 5495406 (1996-02-01), Kushiro et al.
patent: 6144292 (2000-11-01), Brown
patent: 6383076 (2002-05-01), Tiedeken
patent: 6597282 (2003-07-01), Takata et al.
patent: 7-231284 (1995-08-01), None
patent: 2002-124894 (2002-04-01), None
ECHONET overview of ECHONET CONSORTIUM, Version 2.11.

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