Check controlled metering device

Details Check controlled metering device Check controlled metering device

1980-02-13

1981-05-19

Pitts, Harold I.

Communications: electrical

Digital comparator systems

340149A, 235375, H04Q 100

Patent

active

042688175

ABSTRACT:
A postage meter is used in conjunction with a coded check which serves for updating, i.e. increasing the credit register, by a predetermined sum of money. In order to update the register the code of the check must be valid and a code known to an operator must be provided to the meter. Means are provided to invalidate the check after use and to provide the check with data related to the meter.

REFERENCES:
patent: 3716698 (1973-02-01), Simjian

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