The radiant energy analog to {HEAD ~ digital converter stage} 1 wherein said {TAIL ~ gating means} is an inverter logic device 
wherein
The radiant energy analog to { HEAD ~ digital converter stage } 1 wherein said { TAIL ~ gating means } is an inverter logic device
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH