发明名称 Recording medium, recording medium reading/writing apparatus, and method of using recording medium
摘要 The current society can be referred to as a card society, since people can use various types of cards for a variety of applications. However, card users must always carry a number of cards depending upon the application, and must use different cards according to the purpose, which can bother such users. A memory of an IC chip of an IC card includes a fingerprint information area to verify the identity of a card owner, a personal information area in which personal information of the card owner is classified and recorded with different security levels set up, a company information area in which each company writes information of the company using an "encryption key" unique to the company, and a public organization information area in which each public organization writes information of the public organization using an "encryption key" unique to the public organization.
申请公布号 US7647505(B2) 申请公布日期 2010.01.12
申请号 US20030384542 申请日期 2003.03.11
申请人 SEIKO EPSON CORPORATION 发明人 YUDASAKA ICHIO
分类号 B42D15/10;G06F21/00;G06F12/14;G06F21/24;G06K17/00;G06K19/07;G06K19/073;G06K19/10;G07C9/00;G11B20/00;G11B20/12 主分类号 B42D15/10
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