detecting means connected to said delay means for detecting {HEAD ~ phase relations} between {TAIL ~ the sampling clock signal} and each of said delayed video signals 
between
detecting means connected to said delay means for detecting { HEAD ~ phase relations } between { TAIL ~ the sampling clock signal } and each of said delayed video signals
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH