×

Contact/non-contact IC card and contact/non-contact IC card reader-writer

  • US 5,929,414 A
  • Filed: 03/13/1997
  • Issued: 07/27/1999
  • Est. Priority Date: 03/14/1996
  • Status: Expired due to Term
First Claim
Patent Images

1. An IC card comprising:

  • a contact for connecting to a contact IC card reader-writer, data communication between the IC card and the contact IC card reader-writer being transmitted through the contact;

    a wireless part for performing data communication with a non-contact IC card reader-writer;

    a modem for modulating data transmitted to and demodulating data received from a non-contact IC card reader-writer;

    a controller for controlling the data communication;

    a detector for detecting that the IC card is inserted into a contact IC card reader-writer and for detecting that the IC card is inserted into a non-contact IC card reader-writer; and

    a selector for connecting the controller to the contact when the detector detects a contact IC card reader-writer and connecting the controller to the modem when the detector detects a non-contact reader-writer.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×