Logic circuits group certain of the output binary signal pulses into {HEAD ~ a predetermined group recognition pattern} having a configuration such that it will occur only once for each object that it scanned, and which is decoded to provide an output counting pulse for {TAIL ~ each object} presented to the counting area 
Logic circuits group certain of the output binary signal pulses into { HEAD ~ a predetermined group recognition pattern } having a configuration such that it will occur only once for each object that it scanned , and which is decoded to provide an output counting pulse for { TAIL ~ each object } presented to the counting area
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH