Importance

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Abstract

The invention is directed to providing an improved security system for stations issuing IC cards. In accordance with the improved system, two independent codes transmitted from remote locations must match codes retained at the issuing station and on the IC card prior to the system allowing the issuing station to be activated. In particular, a manufacturer's identification code is entered into the IC card prior to the cards leaving the control of the manufacturer. The card issuer provides a secured area wherein a issuer's identification code is maintained. Upon issuance of an IC card, both the manufacturer's and issuer's codes must be transmitted to the station and verified by the corresponding codes maintained at the station and onboard the memory of the IC card before the station will allow an account number to be written into the memory of the IC card. Preferably, the system includes a transmission path from the station to the location where the manufacturer's codes are maintained. Upon the issuance of an IC card, the manufacturer is informed of the card's issuance so that an accurate record may be maintained for all of the cards delivered to an issuer.

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First Claim