Registers – Calculators – Input-output calculator to indicator – printer – etc.
Patent
1980-02-05
1982-03-09
Hartary, Joseph W.
Registers
Calculators
Input-output calculator to indicator, printer, etc.
235 94A, 235 58P, 222 30, 222 76, 364465, B67D 524, G06C 2900, G06F 1556
Patent
active
043191282
ABSTRACT:
Microprocessor controlled flow metering apparatus employs mechanically coupled registers driven by a positive displacement or other flow meter to display fluid volume dispensed during a monitored transaction--and as a cumulative total over time. User adjustable electrical switch decades electrically enter computational scale factor variables such as price per gallon and tax rate.
The stored program controlled microprocessor computes all desired output variables (fuel cost, tax)--and outputs the variables in predesignated fields onto a printed ticket (invoice) while controlling printer carriage movement and solenoid actuation. In accordance with varying aspects of the invention, mechanical and software security is provided to ensure proper correlation between customer fluid (e.g., fuel) receipt and billing.
REFERENCES:
patent: 3254749 (1966-06-01), Scherer
patent: 3637999 (1972-01-01), Pappas
patent: 3765567 (1973-10-01), Maiocco
patent: 3814148 (1974-06-01), Wostl
patent: 3949207 (1976-04-01), Savary et al.
Brady Thomas J.
Dow, Jr. John
Oetting William A.
Yessian Richard J.
Hartary Joseph W.
Judlowe Stephen B.
Lockheed Electronics Co., Inc.
Tarcza Thomas H.
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