Patent ID: 7209719

Claim:
A portable phone system comprising: a portable phone; a power supply having a power line input and at least one power output, said at least one power output connected through a cable and connector to said portable phone; said at least one power output provides power to said portable phone; a power line networking signal coupling circuit connected to said power line input; an output power coupling circuit connected to at least one output of said at least one power output; a power line networking interface connected to said power line networking signal coupling circuit adapted to receive power line networking signals from said power line input and adapted to send power line networking signals to said power line input, said power line networking interface connected to said output power coupling circuit to receive data signals from said portable phone and to send data signals to said portable phone; and a second modulator/demodulator circuit located within said portable phone and connected to said one of said at least one power output, said second modulator/demodulator circuit receiving data signals from said first modulator/demodulator circuit over said one of said at least one power output and for sending data signals to said first modulator/demodulator circuit over said one of said at least one power output.