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
US4707593(A)
申请公布日期
1987.11.17
申请号
US19860866418
申请日期
1986.05.23
申请人
PILOT MAN-NEN-HITSU KABUSHIKI KAISHA;THE NIPPON SIGNAL CO., LTD.