This invention relates to the restoration of {HEAD ~ image signals} from a photosensitive scanning array to provide {TAIL ~ an absolute output signal level} 
This invention relates to the restoration of { HEAD ~ image signals } from a photosensitive scanning array to provide { TAIL ~ an absolute output signal level }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL