PURPOSE: To prevent malfeasant use from being performed when burglary occurs by starting the monitor of a time monitoring means setting the extraction time of an IC card as reference, and operating a normal operation stopping means by the detection of the time monitoring means when no IC card is loaded for prescribed time.
CONSTITUTION: The above system is equipped with the time monitoring means 8 and the normal operation stopping means 1, 3b, and the start of the monitoring time of the time monitoring means 8 is set at the extraction time of the IC card 20. When no IC card 20 is loaded for the prescribed time, the normal operation stopping means 1, 3b are operated by the detection of the time monitoring means 8, and for example, the normal data processing of portable terminal equipment can be blocked by erasing an input processing program and nullifying stored data. Thereby, the malfeasant use can be prevented from being performed when the burglary occurs.
KITSUTA KENICHI
SHINAGAWA TORU
KODERA YUJI
YAMASHITA KOTARO
KAWAOKA AKIHIRO
OMICHI KAZUHIKO
KOJIMA TORU
HITACHI LTD