Data processing apparatus for sales transactions

Details Data processing apparatus for sales transactions Data processing apparatus for sales transactions

1990-06-07

1993-07-13

Envall, Jr., Roy N.

Boots, shoes, and leggings

364568, 177 2515, G06F 1520

Patent

active

052279669

ABSTRACT:
A sales transaction apparatus includes a weighing section for measuring the weight of a coin, a memory section for storing the weight data of plural types of coins, and a processing section for determining the types and numbers of coins to be paid back as a change amount. A total weight of the coins is obtained as a sum by multiplying the numbers of coins by the weights read out in correspondence with the types of coins, and the total weight is checked against a weight data obtained from the weighing section in correspondence with the coins to be actually paid back as the change amount.

REFERENCES:
patent: 3705384 (1972-12-01), Wohlberg
patent: 4070564 (1978-01-01), Tucker
patent: 4191999 (1980-03-01), Kashio
patent: 4522275 (1985-06-01), Anderson
patent: 4532641 (1985-07-01), Nishimura
patent: 4817041 (1989-03-01), Sakamoto
patent: 5036966 (1991-08-01), Kaspar

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