发明名称 |
User interface devices, methods, and computer readable media for sensing movement of an actuator across a surface of a window |
摘要 |
An interface device and method are provided for sensing movement of an actuator across a surface of a window in an enclosure thereof. The interface device comprises an optical navigation sensor including an illuminator within the interface to illuminate at least a portion of the actuator through the window when the actuator is positioned in contact with or proximal to the surface of the window, and a detector to receive light reflected through the window from the actuator. The interface device further includes a number of capacitive guard-sensors in the enclosure adjacent to the optical navigation sensor to disable the optical navigation sensor when a conductive body is sensed in proximity to the guard-sensors.
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申请公布号 |
US8400409(B1) |
申请公布日期 |
2013.03.19 |
申请号 |
US20080218021 |
申请日期 |
2008.07.10 |
申请人 |
FRANCIS MARK;CYPRESS SEMICONDUCTOR CORPORATION |
发明人 |
FRANCIS MARK |
分类号 |
G06F3/01;G01R27/26;G09G5/08 |
主分类号 |
G06F3/01 |
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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