IC card and electronic devices

Details IC card and electronic devices IC card and electronic devices

2005-05-31

2005-05-31

Paik, Steven S. (Department: 2876)

Registers

Records

Conductive

C235S487000, C235S375000, C235S380000, C235S379000, C235S384000

Reexamination Certificate

active

06899277

ABSTRACT:
An IC card provided with a contact-type interface and a non-contact-type interface as the communication interface, and other electronic devices. The IC card identifies the kind of communication data communicated with an external device such as reader-writer, and decides on a communication interface that follows the identified communication data. Then, it is judged whether to switch the communication interface used communication for with the external device between the contact-type interface and the non-contact-type interface. And if it is decided to switch, the communication interface used for communication with the external device is switched.

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