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