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.
|
申请公布号 |
US2003202337(A1) |
申请公布日期 |
2003.10.30 |
申请号 |
US20020134874 |
申请日期 |
2002.04.29 |
申请人 |
YIN MEMPHIS ZHIHONG;ESTERBERG DENNIS R. |
发明人 |
YIN MEMPHIS ZHIHONG;ESTERBERG DENNIS R. |
分类号 |
G06F3/02;H01H3/12;H01H9/18;H01H11/00;H01H13/02;H01H13/14;H01H13/70;(IPC1-7):G01D11/28 |
主分类号 |
G06F3/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|