发明名称 IC CARD AND IC CARD PROGRAM
摘要 <P>PROBLEM TO BE SOLVED: To provide an IC card and an IC card program that can increase a processing speed. <P>SOLUTION: The IC card comprises a rewritable nonvolatile memory 15 having a saving area 15s for storing data presence/absence information, transaction numbers and initialization information, a rewriting part for rewriting the data presence/absence information and transaction numbers upon a Write call, and a writing part for writing sequential page units of data stored in a specified area in the nonvolatile memory 15 and management information including the address, data length and check code of the data into the saving area 15s, and after the writing, writing page units of specified information into the specified area. <P>COPYRIGHT: (C)2004,JPO&NCIPI
申请公布号 JP2004265275(A) 申请公布日期 2004.09.24
申请号 JP20030056563 申请日期 2003.03.04
申请人 DAINIPPON PRINTING CO LTD 发明人 OKABE SHINGO
分类号 G06F12/16;G06K19/07;G06K19/073 主分类号 G06F12/16
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