Limited write non-volatile memory and a franking machine making

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36446402, 377 16, G07B 1700

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active

049841912

ABSTRACT:
The limited write non-volatile memory is characterized in that it is constituted by a limited memory space (1)in an EEPROM which is organized as a first zone (5) for recording the more significant bits of successive data sets at fixed addresses, and a second zone (6) for recording at least the remaining less significant bits of said data sets at addresses which change around a closed loop of addresses, said less significant bits being recorded with at least one redundancy bit which is common both to the more significant bits recorded in the first zone and the less significant bits recorded in the second, said memory being under the control of a programmed circuit for processing and addressing control. Said memory space constitutes the meter memory (CA, CD, CT) of a franking machine.

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Patent Abstracts of Japan, vol. 8, No. 68 (P-1505) Mar. 30, 1984; & JP-1-58 215 794 (Tokyo Shibaura Denki K.K.) 15-12-1983.

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