| 发明名称 |
INFORMATION PROCESSING APPARATUS, AND IC CARD |
| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce the relationship between data of processing in an IC card chip and current consumption of the IC card chip. <P>SOLUTION: Processing orders of the IC card chip are changed at random or useless dummy processing is added to reduce the relationship between the processing data and the current consumption of the IC card chip. Thus, the association between the data of processing in the IC card chip and the current consumption of the IC card chip is reduced. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
| 申请公布号 |
JP2004357314(A) |
申请公布日期 |
2004.12.16 |
| 申请号 |
JP20040192539 |
申请日期 |
2004.06.30 |
| 申请人 |
HITACHI LTD |
发明人 |
OKI MASARU;FUKUZAWA YASUKO;OKUHARA SUSUMU;KAMINAGA MASAHIRO |
| 分类号 |
B42D15/10;G06F12/14;G06F21/06;G06K19/07;G06K19/10;G09C1/00;H04L9/16 |
主分类号 |
B42D15/10 |
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