Computer security system with key-receiving socket

Details Computer security system with key-receiving socket Computer security system with key-receiving socket

1990-05-09

1991-12-10

Trafton, David

Registers

Coded record sensors

Particular sensor structure

235382, 235492, G06K 706

Patent

active

050721011

ABSTRACT:
A security system is provided for controlling access to information stored in a target memory in which an access key carries a random access binary memory which is electronically programmable, electronically alterable, directly electronically readable and non-volatile. The memory carried on the key constitutes an integral portion of the target system memory when the key is inserted into a receptacle. The receptacle has a zero insertion force socket to reduce wear and provide direct electrical connection. The key may have an extremely wide variety of coded information programmed into it; when the key is removed from the receptacle, the target system will not operate correctly since a portion of its memory is effectively missing. The system may be retrofitted into existing target systems or incorporated in future target systems.

REFERENCES:
patent: 4297569 (1981-10-01), Flies
patent: 4449775 (1984-05-01), de Pommery et al.
patent: 4937437 (1990-06-01), Ferguson

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