| 摘要 |
An operation abnormality detector of electronic modules detects an abnormality in an associated device, such as the presence of a foreign body nearby the device. The detector can be used, for example, in the mouthpiece of a card reader of a self-serving banking machine. Upon detecting an abnormality, operation of the machine can be suspended by turning off its display, precluding fraud with unauthorized cards or vandalism. Upon detecting the abnormality, an alert is set to an alarm central.
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