发明名称 |
Display screen user identification card for access to secured databases |
摘要 |
An identification card with a planar member having a plurality of apertures formed therein and a plurality of prisms, each respectively mounted in one of the apertures so as to produce a refraction of a selected color of light transmitted through the aperture different from the refraction of a color of light transmitted through the other prisms in the plurality of other apertures.
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申请公布号 |
US8589801(B2) |
申请公布日期 |
2013.11.19 |
申请号 |
US20100955446 |
申请日期 |
2010.11.29 |
申请人 |
SOON HOON WENG;TAN JESSICA MONG JOO;WEE LIANG ZEE;INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
SOON HOON WENG;TAN JESSICA MONG JOO;WEE LIANG ZEE |
分类号 |
G06F3/00;G06K7/14;G06K19/06 |
主分类号 |
G06F3/00 |
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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