Patent ID: 8654865

Claim:
A device for transmitting and receiving audio/visual signals over a power-line communication network comprising: a. an input interface for receiving a High Definition Multimedia Interface (HDMI), signal; b. an output interface for transmitting an infrared (IR) signal; c. a power-line communication modem for transmitting a first digital signal over a power-line, and for receiving a second digital signal over the power-line; d. a HDMI encoder/digital processor connected to the input interface, the output interface, and the power-line communications modem, for converting the HDMI signal to the first digital signal, and for converting the second digital signal to the IR signal; e. a noise filter circuit connected to the HDMI encoder/digital processor and to the power-line communication modem for suppressing signals outside a range of 2 MHz to 34 MHz; f. a surge protection circuit connected to the HDMI encoder/digital processor and to the power-line communication modem for protecting the HDMI encoder/digital processor and the power-line communication modem from power surges.