IC CARD

PROBLEM TO BE SOLVED: To provide an IC card whose security can be improved. SOLUTION: At the time of transition from a normal mode to a test mode, second reading data D2 supplied from an I/O terminal 3 through a CPU and CPU controlling part 7 and a non-volatile memory 17 by an IC card issuer are nec...

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Bibliographische Detailangaben
1. Verfasser:	TERAOKA HIDEKI
Format:	Patent
Sprache:	eng
Schlagworte:	ADVERTISING BOOK COVERS BOOKBINDING CALCULATING CODING OR CIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHERPURPOSES INVOLVING THE NEED FOR SECRECY COMPUTING COUNTING CRYPTOGRAPHY DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR DISPLAY EDUCATION FILES HANDLING RECORD CARRIERS LOOSE LEAVES MOVABLE-STRIP WRITING OR READING APPARATUS PERFORMING OPERATIONS PHYSICS PRESENTATION OF DATA PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR RECOGNITION OF DATA RECORD CARRIERS SEALS SPECIAL PRINTED MATTER TRANSPORTING
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