| 发明名称 |
Key for use in low light conditions |
| 摘要 |
A key, which may be used in a user interface, including indicia formed at least in part from phosphorescent material.
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| 申请公布号 |
US7073916(B2) |
申请公布日期 |
2006.07.11 |
| 申请号 |
US20020134874 |
申请日期 |
2002.04.29 |
| 申请人 |
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. |
发明人 |
YIN MEMPHIS ZHIHONG;ESTERBERG DENNIS R |
| 分类号 |
G01D11/28;G06F3/02;H01H3/12;H01H9/18;H01H11/00;H01H13/02;H01H13/14;H01H13/70 |
主分类号 |
G01D11/28 |
| 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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