A charge accumulation type photosensor array (21) is reciprocated perpendicular to the direction of a row of photosensor elements of the array (21) to scan an original document (22). A timing pulse generator (48) produces timing pulses (E) corresponding to incremental movements of the array (21). All...http://www.google.com.au/patents/US4296441?utm_source=gb-gplus-sharePatent US4296441 - Photoelectric scanning apparatus
