Importance

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Abstract

Isolating signaling environments in a power line communication system involves the use of a filter to block power line data signals from entering and/or leaving a signaling environment while allowing power signals to pass to or from the signaling environment. Power line data signals are typically at a higher frequency than power signals, and therefore the filter is typically a low-pass filter, bandpass filter, or notch filter that blocks the higher frequency power line data signals while allowing the lower frequency power signals to pass through. The filter may be coupled between power side wires and outlet side wires. The filter may be integral to a circuit breaker for installation in a fuse box or other wiring system.

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First Claim