Automatic teller machine for cash payment, has evaluation- and control unit comprising output circuit, which is activated during existence of security relevant high frequency signals assigned to image transmission and outputs alarm signal

摘要

The machine (1) has a slot shaped insertion device (2) for a personal identification number secured data card e.g. credit card, and an input terminal provided as an input keypad (4) for inputting an input code. The keypad is connected with a machine control (6) for processing the input code. A monitoring device has a high frequency monitoring sensor (13) connected to an evaluation- and control unit (14). The control unit comprises an output circuit (15), which is activated during existence of security relevant high frequency signals assigned to image transmission and outputs an alarm signal.