UNAUTHORIZED ACCESS CHECKUP DEVICE Russian patent published in 2004 - IPC

FIELD: computer engineering. SUBSTANCE: device designed for data protection against unauthorized access in multicomputer systems and in local computer networks built around personal computers has input registers, parallel-serial register, output registers, pulse generator, frequency divider, transmitter, receiver, coder, decoder, readiness flip-flop, response flip-flop, interrupt flip-flop, AND gate, read-only memory device, address controllers for personal computers, ports, and memory, address analysis circuit, mode-of-operation switch, and control unit. EFFECT: enlarged functional capabilities, enhanced reliability of unauthorized data access online checkup. 2 cl, 3 dwg