phase discriminating means connected to said detecting means for outputting {HEAD ~ an output signal} representing {TAIL ~ said phase relations} detected by said detecting means 
phase discriminating means connected to said detecting means for outputting { HEAD ~ an output signal } representing { TAIL ~ said phase relations } detected by said detecting means
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH