At the termination of {HEAD ~ a previous detection} by {TAIL ~ the decoder} 14, the output buffer 62 will have provided a momentary RESET signal, having a low logic level, to the clear inputs of flip flops 122, 126 to clear flip flops 122, 126 to their K states wherein the signals on the outputs thereof are at a low logic level 
by
At the termination of { HEAD ~ a previous detection } by { TAIL ~ the decoder } 14 , the output buffer 62 will have provided a momentary RESET signal , having a low logic level , to the clear inputs of flip flops 122 , 126 to clear flip flops 122 , 126 to their K states wherein the signals on the outputs thereof are at a low logic level
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH