发明名称 |
Method and Apparatus Pertaining to Detecting a Light-Emitting Stylus' Position |
摘要 |
A display includes a light-transmissive planar member with side edges and opposing surfaces. A plurality of light sensors are disposed along at least two of the side edges of this planar member. These light sensors are disposed to detect light moving through the light-transmissive planar member by internally reflecting off the aforementioned opposing surfaces. A control circuit detects a position of a light-emitting stylus with respect to the display by using the plurality of light sensors to detect light from the light-emitting stylus that moves through the light-transmissive planar member via the aforementioned internal reflections. By one approach the side edges the light-transmissive planar member are inclined at other than a perpendicular angle with respect to the aforementioned opposing surfaces. |
申请公布号 |
US2014055424(A1) |
申请公布日期 |
2014.02.27 |
申请号 |
US201213593902 |
申请日期 |
2012.08.24 |
申请人 |
MERCEA CORNEL;GAO YU;SINGH AMIT PAL;RESEARCH IN MOTION LIMITED |
发明人 |
MERCEA CORNEL;GAO YU;SINGH AMIT PAL |
分类号 |
G06F3/033 |
主分类号 |
G06F3/033 |
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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