| 发明名称 |
PROXIMITY SENSOR |
| 摘要 |
A proximity sensor for use in a portable computing device is described. In particular various embodiments of a proximity sensor which fit in an extremely small portion of a cellular phone, and accurately determine the presence of a user's head in close proximity to a surface of the cellular phone.
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| 申请公布号 |
US2013050677(A1) |
申请公布日期 |
2013.02.28 |
| 申请号 |
US201113240187 |
申请日期 |
2011.09.22 |
| 申请人 |
KWONG KELVIN;DINH RICHARD HUNG MINH;POPE BENJAMIN JOHN;APPLE INC. |
发明人 |
KWONG KELVIN;DINH RICHARD HUNG MINH;POPE BENJAMIN JOHN |
| 分类号 |
G01B11/14;G01J3/00;H01L31/12 |
主分类号 |
G01B11/14 |
| 代理机构 |
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