Power line carrier system
First Claim
Patent Images
1. A power line carrier system for performing a power line communication over power lines, said system comprising:
- an electric device possible to perform the power line communication at least in a signal mode for an in-house external power line; and
an apparatus which is removable from the external power line and provided with a signal selector between a side of receiving power from the external power line and a side of supplying the power, said signal selector passing a power line carrier signal in the mode, and interrupting another power line carrier signal which is in a signal mode different from the mode for the external power line.
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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.
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Citations
19 Claims
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1. A power line carrier system for performing a power line communication over power lines, said system comprising:
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an electric device possible to perform the power line communication at least in a signal mode for an in-house external power line; and
an apparatus which is removable from the external power line and provided with a signal selector between a side of receiving power from the external power line and a side of supplying the power, said signal selector passing a power line carrier signal in the mode, and interrupting another power line carrier signal which is in a signal mode different from the mode for the external power line. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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- 11. An electric device possible to perform a power line communication in a signal mode for an in-house external power line, wherein a signal is converted from in the mode to in another signal mode according to an electric device of destination of the signal.
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18. A power branch apparatus for branching power supplied from an in-house external power line, and supplying the power to a connected electric device, which comprises
a signal selector between a side of the external power line and a side of the electric device, said signal selector passing a power line carrier signal in a signal mode for the external power line, and interrupting another power line carrier signal which is in a signal mode different from the mode for external power line.
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19. A method for performing a power line communication between electric devices connected to a power line over the power line, said method comprising the steps of:
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deciding to adopt either one of a signal mode for an in-house external power line and a different mode from the mode according to an electric device of destination; and
performing power line communication with the electric device in the decided mode.
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Specification