Method and apparatus for preventing unauthorized usage of a comp

Details Method and apparatus for preventing unauthorized usage of a comp Method and apparatus for preventing unauthorized usage of a comp

1997-03-31

2000-08-22

An, Meng-Ai T.

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Protection at a particular protocol layer

713201, 713202, G06F 1130

Patent

active

061087858

ABSTRACT:
A security apparatus interfacing with a first device for preventing unauthorized use of a second device, the security apparatus including a first circuit configured to generate an event and a second circuit configured to provide an input to the first device in response to each the event, to receive a response from the first device in response to the input, and to assert a signal to disable the second device if the response does not correspond to an expected response.

REFERENCES:
patent: 3863223 (1975-01-01), Gossett
patent: 4298792 (1981-11-01), Granholm et al.
patent: 4458315 (1984-07-01), Uchenick
patent: 5323149 (1994-06-01), Hoult et al.
patent: 5388211 (1995-02-01), Hornbuckle
patent: 5485622 (1996-01-01), Yamaki
patent: 5590199 (1996-12-01), Krajewski, Jr. et al.
patent: 5774546 (1998-06-01), Handelman et al.
patent: 5781724 (1998-07-01), Nevarez et al.
patent: 5887131 (1999-03-01), Angelo
patent: 5949882 (1999-09-01), Angelo

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