Filter for segmenting power lines for communications

Details Filter for segmenting power lines for communications Filter for segmenting power lines for communications

2006-02-28

2006-02-28

Takaoka, Dean (Department: 2817)

Wave transmission lines and networks

Coupling networks

Frequency domain filters utilizing only lumped parameters

C336S175000, C340S315000, C307S147000

Reexamination Certificate

active

07005943

ABSTRACT:
There is provided a method for blocking a portion of energy of a signal in a power line. The method includes equipping a high frequency magnetic core with a coil, connecting a capacitor across terminals of the coil to create a resonant circuit that resonates at a frequency of the signal, and placing the magnetic core around the power line, at a location where the blocking is desired.

REFERENCES:
patent: 3924223 (1975-12-01), Whyte et al.
patent: 4369416 (1983-01-01), Zapp et al.
patent: 4434396 (1984-02-01), Montague
patent: 4675579 (1987-06-01), Hardy et al.
patent: 4760484 (1988-07-01), Walker
patent: 6191589 (2001-02-01), Clunn
Written Opinion dated Jan. 6, 2005 from PCT/US03/33081.

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