73064822
Oct 2, 1975
Oct 12, 1976
ELECTRONIC PORTABLE DATA ENTRY DEVICE CAPABLE OF BEING CARRIED OVER THE SHOULDER OF THE USER WHERE DATA IS KEYED AND VIEWED FOR ACCURACY THROUGH A HAND-HELD UNIT WITH THE DATA BEING RECORDED ON MAGNETIC TAPE AND RECALLED FROM MAGNETIC TAPE FOR TELEPHONIC TRANSMISSION TO A REMOTE PROCESSING STATION
Electrical and Scientific Apparatus