发明名称 VISIBLE IMAGE MAGNETIC CARD
摘要 A visible image magnetic card employing a magnetic recording sheet having a sandwich of a magnetic recording layer and a base sheet. A display sheet has a transparent display area with a display cell is formed between the display sheet and the magnetic recording sheet. The cell houses a mixture of magnetic particles and a transparent or translucent fine fluidizing powder.
申请公布号 KR930007557(B1) 申请公布日期 1993.08.12
申请号 KR19860004222 申请日期 1986.05.29
申请人 THE PILOT PEN CO., LTD.;THE NIPPON SIGNAL CO., LTD. 发明人 MURATA, YASUJO;WADA, HIROYUKI;SAKURAI, MASAAKI;YOKOHAMA, TAKEO
分类号 G11B23/00;B42D15/10;G06K19/06;G11B5/80 主分类号 G11B23/00
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