Computer terminal recording transactions at sales point - has card scanner, display unit and remote control station and display for purchaser

摘要

The computer terminal (1) is used to record the transactions in shops, banks, restaurants, petrol stations etc. The system incorporates a card scanner, a display unit, a keyboard input, which feeds data processing circuits and communication interfaces. The data are transmitted to a remote station, which also returns the necessary information. A second display unit at the terminal, facing in the opposite direction, will show selected information separate from the first.