The output signal GH of the latch 20, therefore, represents the binary state of the input signal at the beginning of {TAIL ~ the counting interval} and {HEAD ~ the output signal GL} of the latch 22 represents the binary state of the input signal at the end of the counting interval 
The output signal GH of the latch 20 , therefore , represents the binary state of the input signal at the beginning of { TAIL ~ the counting interval } and { HEAD ~ the output signal GL } of the latch 22 represents the binary state of the input signal at the end of the counting interval
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH