CARD MONITORING METHOD

CARD MONITORING METHOD

PROBLEM TO BE SOLVED: To cope with the progress and diversification of illegal access means. SOLUTION: An IC card is equipped with a monitor program updating device. A monitor program is loaded from an external terminal device and arranged on a rewritable nonvolatile memory. When a new illegal acces...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: MAEOKA ATSUSHI, KAGIMASA TOYOHIKO, HIROSE TAKAHIRO
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
CHECKING-DEVICES
COIN-FREED OR LIKE APPARATUS
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
HANDLING RECORD CARRIERS
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To cope with the progress and diversification of illegal access means. SOLUTION: An IC card is equipped with a monitor program updating device. A monitor program is loaded from an external terminal device and arranged on a rewritable nonvolatile memory. When a new illegal access means is developed, the monitor program is updated to detect illegal access.