Therefore, as shown in FIG 8A, there is some possibility that {HEAD ~ a dot number} between the horizontal synchronizing signal and {TAIL ~ the video signal} varies 
between
Therefore , as shown in FIG 8A , there is some possibility that { HEAD ~ a dot number } between the horizontal synchronizing signal and { TAIL ~ the video signal } varies
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH