MULTIPLE-PURPOSE USE IC CARD SYSTEM
PROBLEM TO BE SOLVED: To provide an IC card for reducing the outflow risk of display information due to theft, loss, and peep in a multiple-purpose use IC card. SOLUTION: In this multiple-purpose use IC card system equipped with an area device for managing the entry/leaving of a user to/from a servi...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide an IC card for reducing the outflow risk of display information due to theft, loss, and peep in a multiple-purpose use IC card. SOLUTION: In this multiple-purpose use IC card system equipped with an area device for managing the entry/leaving of a user to/from a service area by using an IC card carried by a user, an IC card is provided with a display means for displaying service information provided by an area device; and a deleting means for deleting the service information displayed at the display means when receiving deletion data by the area device. COPYRIGHT: (C)2009,JPO&INPIT |
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