Coupon controlled metering device

Details Coupon controlled metering device Coupon controlled metering device

1979-05-15

1980-08-19

Cook, Daryl W.

Registers

Systems controlled by data bearing records

235432, G06F 1520, G06K 1500

Patent

active

042180112

ABSTRACT:
A postage meter is used in conjunction with a coupon which serves for updating, i.e. increasing the credit register, by a predetermined sum of money. Means are provided to invalidate the coupon after use and to provide the coupon with data indicative of the status of the register.

REFERENCES:
patent: 3255439 (1966-06-01), Simjian
patent: 3501744 (1970-03-01), Simjian
patent: 3792446 (1974-02-01), McFiggins et al.

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