Data processing apparatus for electronic cashier registers

Details Data processing apparatus for electronic cashier registers Data processing apparatus for electronic cashier registers

Filed on

1978-09-21

Date issued

1980-07-15

Examiner

Malzahn, David H.

Patent Class

Boots, shoes, and leggings

Other Related Categories

364900, G06F 1502, G06F 1520

Type

Patent

Status

active

Patent number

042131790

Description

ABSTRACT:
A data processing apparatus for an electronic cash register comprises a keyboard having a plurality of entry keys, a printer, a memory unit, an interface circuit with which a memory pack storing sales data is mechanically, electrically and removably coupled and a data processing unit connected with the keyboard, the printer, the memory unit and the interface circuit. Responding to operations of one of the keys for sales data selection, the data processing unit energizes the memory pack connected to the interface circuit to read out the sales data corresponding to the operated sales information key from the energized memory pack and write the read-out sales data into the memory unit and then issue a print signal to the printer for printing the sales data.

REFERENCES:
patent: 3859635 (1975-01-01), Watson et al.
patent: 3946220 (1976-03-01), Brobeck et al.
patent: 3983577 (1976-09-01), Youichi Ito et al.

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