Registers – Calculators – Input-output calculator to indicator – printer – etc.
Patent
1974-09-30
1976-01-13
Cook, Daryl W.
Registers
Calculators
Input-output calculator to indicator, printer, etc.
G06K 100
Patent
active
039327302
ABSTRACT:
A utility billing transactor is disclosed for entering a new meter reading, computing the amount of utility service delivered as the difference between a previous meter reading and the new meter reading, computing the amount to be paid, and printing a bill showing the new meter reading and the amount due. A card, which has the customer's identification (ID) number, previous meter reading and billing rate code entered on it, is inserted into the transactor to initiate automatic sequencing of steps to: read the ID number, call for keyboard entry of a new meter reading, read the previous meter reading, compute the difference between the meter reading, compute the amount due as the product of a rate or schedule of rates determined from the billing rate code (either directly or through a table stored in a read-only memory) and printing the bill. The entire transaction, including data read from the card and data computed is recorded in nonvolatile memory and immediately checked for recording error.
REFERENCES:
patent: 3441714 (1969-04-01), Simjian
patent: 3495222 (1970-02-01), Perotto et al.
patent: 3505646 (1970-04-01), Affel, Jr. et al.
patent: 3548161 (1970-12-01), Schwarz
patent: 3590220 (1971-06-01), Ishida et al.
patent: 3748452 (1973-07-01), Ruben
patent: 3770941 (1973-11-01), Gechele et al.
Cook Daryl W.
Electronic Memories & Magnetics Corporation
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