A device to compensate for distortion in target location in a visual system 5 wherein {HEAD ~ said binary digital comparator means} is adapted to compare {TAIL ~ target raster time} with aiming point time, so that said one signal indicates that there is a coincidence between said first and said second signals 
is adapted to compare
A device to compensate for distortion in target location in a visual system 5 wherein { HEAD ~ said binary digital comparator means } is adapted to compare { TAIL ~ target raster time } with aiming point time , so that said one signal indicates that there is a coincidence between said first and said second signals
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL 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