| 发明名称 |
Optical input device for measuring finger movement |
| 摘要 |
An optical input device for measuring the movement of a finger (15) ia accommodated in a housing provided with a transparent window (12) for transmitting a measurement beam (13) from a diode laser (3) to the finger and radiation reflected by the finger to a detector (4). This feature prevents that grease and dust disturb and block the measuring beam. |
| 申请公布号 |
US2003006367(A1) |
申请公布日期 |
2003.01.09 |
| 申请号 |
US20020169461 |
申请日期 |
2002.07.02 |
| 申请人 |
LIESS MARTIN DIETER;DOBRUSSKIN CHRISTOPH;WEIJERS ALDEGONDA LUCIA |
发明人 |
LIESS MARTIN DIETER;DOBRUSSKIN CHRISTOPH;WEIJERS ALDEGONDA LUCIA |
| 分类号 |
G02B17/08;B65H7/14;G01B9/02;G01B11/00;G01B11/26;G01P3/36;G01P13/00;G01S7/481;G01S7/483;G01S17/50;G06F3/033;G06F3/042;H01L31/12;(IPC1-7):G06M7/00 |
主分类号 |
G02B17/08 |
| 代理机构 |
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