发明名称 |
INPUT KEY SUBASSEMBLY FOR MINIMIZING EMISSION OF LIGHT FROM UNINTENDED PATHS |
摘要 |
An input key subassembly for a handheld communication device is dislosed herein. The input key subassembly includes a dome overlay panel and a lightguide panel. The dome overlay panel includes a dome overlay layer and a dome switch having a peak facing frontally. The dome overlay layer has a front face located adjacent to the backside of the lightguide panel. The lightguide panel has at least one keystem and is located above a respective dome switch. A recessed perimeter region about the keystem has a height relative to the backside of the lightguide panel that is less than a height between the front side of the lightguide panel and the backside of the lightguide panel.
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申请公布号 |
US2010085217(A1) |
申请公布日期 |
2010.04.08 |
申请号 |
US20080338177 |
申请日期 |
2008.12.18 |
申请人 |
RESEARCH IN MOTION LIMITED |
发明人 |
CHEN CHAO |
分类号 |
H03K17/94;H04M1/02 |
主分类号 |
H03K17/94 |
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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