Electronically controlled franking machine

Details Electronically controlled franking machine Electronically controlled franking machine

1980-04-28

1982-06-15

Wise, Edward J.

Boots, shoes, and leggings

235 619A, G06F 1520

Patent

active

043354343

ABSTRACT:
Electronic control for franking machines such as postage meters and stamping machines having a printing device, a postage value printing selection device, a total postal charge storage register and a settable subtracting value counter, including a microprocessor, a volatile main memory for storing data and non-volatilesemiconductor memories for storing data and the number of writing cycles performed, the memories being connected to the microprocessor, a line voltage power supply, supply capacitors disposed in the power supply, a switch controlled by the microprocessor for connecting the non-volatile memories to the supply capacitors of the power supply exclusively in the event of an interruption of the line voltage to cause the non-volatile memories to take over data stored in the main memory, and a register connected to one of the non-volatile memories for preventing the exceeding of a predetermined number of writing cycles of the one non-volatile memory after the power supply resumes.

REFERENCES:
patent: 3624617 (1971-11-01), Putterman et al.
patent: 3635297 (1972-01-01), Salava
patent: 3757917 (1973-09-01), Waiwood et al.
patent: 3792446 (1974-02-01), McFiggins et al.
patent: 3810116 (1974-05-01), Proholfsky
patent: 4021645 (1977-05-01), Saufferer et al.
patent: 4024380 (1977-05-01), Gunn
patent: 4180856 (1979-12-01), Ckeck, Jr. et al.
patent: 4251874 (1981-02-01), Check, Jr.

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