发明名称 |
Magnetically actuated visual display board |
摘要 |
A magnetically actuated visual display board comprises a grid array of open ended chambers. Display configurations in each chamber utilize a magnetically responsive sliding element to move a display loop to alternate between two different display surfaces to create a desired visual array. A magnetic rod passing a chamber moves the sliding element within the chamber.
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申请公布号 |
US2011039251(A1) |
申请公布日期 |
2011.02.17 |
申请号 |
US20090583205 |
申请日期 |
2009.08.17 |
申请人 |
LI XINGKANG;LI QIANG;LI XINGJIAN |
发明人 |
LI XINGKANG;LI QIANG;LI XINGJIAN |
分类号 |
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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