TV SIGNAL SWITCHING BOX AND CONTROLLING METHOD THEREOF

摘要

A TV set signal switching box is provided. The switching box is connected between a TV set and a plurality of signal sources to enable the signal sources to transmit media signals with the TV set interactively. The signal switching box comprises a first interface and a second interface, the first interface is electrically connected to and communicates interactively with the TV set, and the second interface is electrically connected to a plurality of signal sources and outputs a power supply signal and a control signal to the signal sources.