Method of preserving data storage in a postal meter
作者： Joel Maybruch , Wojciech M. Chrosny
DOI:
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摘要: A nonvolatile memory bank of an electronic and retrieval system is partitioned into at least three blocks, each block capable storing accounting program. The program data stored in duplicate with one copy the a second block. remaining blocks are held reserve status. integrity preserved by comparing other copy. When difference between two copies detected, determination made as to which correct having duplicated block, forming new set then substituted for incorrect data.
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