发明名称 |
Magnetic display apparatus |
摘要 |
A magnetic display apparatus having a magnetic display sheet consisting of a plurality of microcapsules having oily liquid having photoabsorptive ferromagnetic powder and photoreflective non-magnetic powder, an apparatus for erasing with a magnet a line drawn on the display sheet by the magnetic pen, a magnet, a mechanism for moving the magnet along a major portion of the magnetic display sheet and a power source for moving the mechanism which supports the magnet.
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申请公布号 |
US5820385(A) |
申请公布日期 |
1998.10.13 |
申请号 |
US19960583632 |
申请日期 |
1996.01.05 |
申请人 |
TOMY COMPANY, LTD. |
发明人 |
OHASHI, MICHIYA;NAMIKI, TAKAO |
分类号 |
B43L1/00;(IPC1-7):B43L1/00 |
主分类号 |
B43L1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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