Electronic payment terminal e.g. computer, for e.g. storing secured payment transaction, has membrane keyboard with transparent mechanical keys that are defined in display zone, and display managing unit in connection with keyboard

摘要

The terminal (1) has a display (10) e.g. LCD, defining a display zone (110), and a membrane keyboard with transparent mechanical keys (20). The keys are defined in the display zone, and a display managing unit is in connection with the keyboard. An electrical circuit is modified by an activation of the keys, and has an array of conducting wires, where the circuit is screen printed by using a conductive ink.