Interface between data reading wand and cash register display

Details Interface between data reading wand and cash register display Interface between data reading wand and cash register display

1978-10-13

1980-05-27

Kilgore, Robert M.

Registers

Systems controlled by data bearing records

Mechanized store

235472, 3401463SY, G06K 1500, G06K 900, G06K 710

Patent

active

042046360

ABSTRACT:
Circuitry receives data information from a wand and decodes the same for duplicating a keyboard input to a display. The interface circuit includes a plurality of switches paralleling the keyboard input switches and generates autonomously a control signal indicative of a status of the display.

REFERENCES:
patent: 3413447 (1968-11-01), La Mers
patent: 3735350 (1973-05-01), Lemelson
patent: 3792236 (1974-02-01), Dobras
patent: 3826900 (1974-07-01), Moellering
patent: 3963901 (1976-06-01), Gevas
patent: 3991299 (1976-11-01), Chadima

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