Memory preservation and verification system

Details Memory preservation and verification system Memory preservation and verification system

1979-04-16

1980-11-04

Fears, Terrell W.

Static information storage and retrieval

Powering

Data preservation

365222, 307150, G11C 1300

Patent

active

042323770

ABSTRACT:
A memory preservation and verification system is provided in which memory contents are verified as being valid following an interruption and subsequent reapplication of operating power. A backup power supply is provided to maintain the status of the memory contents during the interruption or loss of a main power supply. First and second mathematically related numbers are generated and stored in memory locations. These numbers are subsequently retrieved and the mathematical relationship therebetween checked to provide the verification of the status of data in the memory.

REFERENCES:
patent: 4122359 (1978-10-01), Brekss

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