Power line communications system and method
First Claim
1. A system for providing communications to one or more customer premises having a low voltage power line network, comprising:
- a communications device having a first port having a first modem communicatively coupled to a power line, and said communications device having a second port having a second modem in communication with said first modem;
a coaxial cable having a first end and a second end, said first end being coupled to said second port; and
an interface device coupled to said second end of said coaxial cable and to the low voltage power line network, said interface device including a first high pass filter.
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Accused Products
Abstract
A power line communications that includes a communications device having a first port and a second port is provided. The first port may include a first modem and be communicatively coupled to a power line such as a medium voltage power line. The second port may include a second modem and be communicatively coupled to the first end of a non-power line medium, such as a coaxial cable. The system may include an interface device that couples the second end of the coaxial cable to the internal power line network of the customer premises to provide communications to the user devices coupled to the internal power line network.
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Citations
25 Claims
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1. A system for providing communications to one or more customer premises having a low voltage power line network, comprising:
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a communications device having a first port having a first modem communicatively coupled to a power line, and said communications device having a second port having a second modem in communication with said first modem;
a coaxial cable having a first end and a second end, said first end being coupled to said second port; and
an interface device coupled to said second end of said coaxial cable and to the low voltage power line network, said interface device including a first high pass filter. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A system for providing communications to a customer premises having an internal coaxial cable network, comprising:
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a communications device having first port having a first modem communicatively coupled to a medium voltage power line, a second port having a second modem in communication with said first modem, and a router in communication with said first modem and said second modem; and
a coaxial cable having a first end and a second end, said first end coupled to said second port and said second end coupled to the internal coaxial cable network. - View Dependent Claims (15, 16, 17)
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18. A method of providing communications to a user device disposed at a customer premises having an low voltage power line network, comprising:
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receiving first data from a power line;
transmitting a signal representing the first data over a coaxial cable;
coupling the signal from the coaxial cable to the low voltage power line network of the customer premises;
conducting the signal over a portion of the low voltage power line network;
receiving the signal from the low voltage power line network; and
demodulating the signal. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25)
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Specification