In an optical reader for reading alphanumeric and bar code characters, an area array for scanning alphanumeric data and a single photo sensor for scanning bar code data is formed on the same semiconductor chip. Separate processors are connected to the array and to the single photosensor wherein the single...http://www.google.com/patents/US4542528?utm_source=gb-gplus-sharePatent US4542528 - OCR and bar code reader with optimized sensor
