73521070
Feb 7, 1985
Jun 3, 1986
COMPUTER-SECURITY AND SOFTWARE-PROTECTION SYSTEMS BASED ON CARD-EMBEDDED OR TERMINAL- EMBEDDED MICROPROCESSOR HARDWARE NAMELY, A TERMINAL, A READER, OR A TELEPHONE AND FIRMWARE THAT IDENTIFIES THE USER AND VERIFIES THE AUTHENTICITY OF THE IDENTIFICATION BY COMPARING SEPARATELY GENERATED PSEUDO-RANDOM NUMBERS
Electrical and Scientific Apparatus