73581461
Feb 6, 1986
Jan 13, 1987
COMPUTER-SECURITY AND SOFTWARE-PROTECTION SYSTEMS BASED ON CARD-EMBEDDED OR TERMINAL-EMBEDDED MICROPROCESSOR HARDWARE NAMELY A TERMINAL, A READER OR A TELEPHONE, AND FILMWARE THAT IDENTIFIES THE USER AND VERIFIES THE AUTHENTICITY OF THE IDENTIFICATION BY COMPARING SEPARATELY GENERATED PSEUDO-RANDOM NUMBERS
Electrical and Scientific Apparatus