Multichannel communication system

Claim 1

A SIGNAL SEPARATOR COMPRISING A SOURCE OF SIGNALS INCLUDING AT LEAST FOUR CHANNEL SIGNALS AND A SYNCHRONIZING SIGNAL, A SWITCHING ARRANGEMENT HAVING TWO OUTPUT CIRCUITS, A FIRST SIGNAL PATH COUPLING THE SIGNALS OF SAID SOURCE TO SAID SWITCHING ARRANGEMENT, A MEANS TO CONDITION SAID SWITCHING ARRANGEMENT TO SWITCH THE SIGNALS OF SAID SOURCE ALTERNATELY TO SAID OUTPUT CIRCUITS, A SECOND SIGNAL PATH COUPLING THE SIGNALS OF SAID SOURCE TO SAID CONDITIONING MEANS FOR ACTIVATION THEREOF IN ACCORDANCE WITH THE TIMING OF SAID CHANNEL SIGNALS TO CONDITION SAID SWITCHING ARRANGEMENT TO PASS ALTERNATE CHANNEL SIGNALS OF SAID FOUR CHANNEL SIGNALS TO RESPECTIVE ONES OF SAID OUTPUT CIRCUIT, AND MEANS SEPARATE FROM SAID FIRST AND SECOND SIGNAL PATHS COUPLED TO SAID SOURCE RESPONSIVE TO SAID SYNCHRONIZING SIGNAL TO CONTROL SAID CONDITIONING MEANS TO ASSURE THAT THE PROPER ALTERNATE CHANNEL SIGNALS ARE COUPLED TO THE APPROPRIATE ONE OF SAID OUTPUT CIRCUITS.