Electronic device for independently erasing secret and non-secre

Details Electronic device for independently erasing secret and non-secre Electronic device for independently erasing secret and non-secre

1988-05-25

1990-05-15

Fears, Terrell W.

Static information storage and retrieval

Miscellaneous

365 52, 365218, 235 59R, G11C 1300

Patent

active

049263889

ABSTRACT:
In an electronic appliance capable of storing secret data to be kept secret and data other than the secret data in distinction from each other, only the secret data can be erased upon a first reset operation and the data other than the secret data can be erased upon a second reset operation.

REFERENCES:
patent: 4819204 (1989-04-01), Schrenk
Stephen B. Weinstein, "Smart Credit Cards: The Answer to Cashless Shopping", IEEE Spectrum, 2/1984, pp. 43-49.

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