Patent
1992-11-24
1996-11-05
Whitefield, Michael A.
395401, G06F 1214
Patent
active
055726968
ABSTRACT:
A secret information protection system for protecting secret information stored in an information processing system from access by an unauthorized user after an authorized user terminates the authorized user's use of the information processing system. The secret information protection system includes a storage device for storing the secret information and an erasure instructing device for generating an erasing instruction to erase the secret information from the storage device. The erasure instructing device has a switch, operated by the authorized person when the authorized person terminates the authorized person's use of the information processing system, for generating the erasing instruction when the authorized person terminates the authorized person's use of the information processing system. An erasure device erases the secret information in accordance with the erasing instruction from the erasure instructing device.
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patent: 4783801 (1988-11-01), Kaule
patent: 5144659 (1992-09-01), Jones
patent: 5175840 (1992-12-01), Sawase et al.
patent: 5228084 (1993-07-01), Johnson et al.
Fujitsu Limited
Whitefield Michael A.
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