| 发明名称 |
A keypad with optical sensors |
| 摘要 |
A keypad with optical sensors is provided. The keypad comprises keycaps, each keycap comprising a top surface. One or more optical sensors are located beneath top surfaces of adjacent keycaps. One or more light guides extend from a respective optical sensor towards the top surfaces. |
| 申请公布号 |
EP2784622(A1) |
申请公布日期 |
2014.10.01 |
| 申请号 |
EP20130161406 |
申请日期 |
2013.03.27 |
| 申请人 |
BLACKBERRY LIMITED |
发明人 |
LEE, HSIN CHIN;BROGA, ANTANAS MATTHEW;SINGH, AMIT PAL |
| 分类号 |
G06F1/16;G06F3/02;G06F3/0488;H03K17/96;H04M1/23 |
主分类号 |
G06F1/16 |
| 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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