Patent ID: 7428238

Claim:
A communication network operating in a building with first and second coaxial wiring systems comprising splitters and terminal devices and distributing video programming signals, the communication network using frequency regions not used by the video programming signals comprising: a bridging device with two signal ports, each signal port connected to a different coaxial wiring system; the bridging device comprising a means for transferring network signals between the first coaxial wiring system and the second coaxial wiring system; and a plurality of network devices coupled to the wiring systems, each network device capable of communicating with other network devices; wherein the bridging device comprises: a first filter that passes network signals and blocks video program signals on the first coaxial wiring system; a second filter that passes network signals and blocks video program signals on the second coaxial wiring system; a first signal coupler receiving a signal from the first wiring system and directing the signal to the first filter, and accepting a signal from the second filter and directing the signal to the first wiring system; and a second signal coupler receiving a signal from the second wiring system and directing the signal to the second filter, and accepting a signal from the first filter and directing the signal to the second wiring system.