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Nonvolatile Totals Implementation Disclosure Number: IPCOM000068988D
Original Publication Date: 1978-Mar-01
Included in the Prior Art Database: 2005-Feb-20

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Chamoff, ME Thorson, DL [+details]


This implementation uses two read/write memory arrays 10 and 12, memory control logic 14 including polynomial character generation and checking, and a battery power source 16 with power switching control 18 which eliminate data loss due to power failures, undetected data loss, the requirement for analog power failure detection circuitry and a large reserve power supply capacity, to thereby provide a low-cost electronic equivalent to the totals accumulators conventionally used in terminals.