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1. 发明申请

US20090262368A1 LIGHT PIPE FOR LOW PROFILE OPTICAL NAVIGATION SYSTEMS 有权
标题翻译：用于低剖面光学导航系统的光管
公开(公告)号：US20090262368A1
公开(公告)日：2009-10-22
申请号：US12105607
申请日：2008-04-18
申请人： Yat Kheng Leong , Sai Mun Lee , Kok Khian Ng
发明人： Yat Kheng Leong , Sai Mun Lee , Kok Khian Ng
IPC分类号： G01P13/00 , G02B5/10 , G02B27/30
CPC分类号： G02B17/0856 , G01S7/4811 , G01S17/50 , G06F3/0317
摘要： A light pipe for an optical navigation system. The light pipe includes a collection surface, a collimation surface, and a reflective surface. The collection surface is to accept incident light into the light pipe from a light source. The collimation surface is to collimate the light and to direct the collimated light to a navigation plane for detection by a navigation sensor. The reflective surface is between the collection surface and the collimation surface and is to reflect the light along a reflective path as the light travels within the light pipe from the collection surface to the collimation surface. The reflective surface has a curved geometry oriented substantially along the path of travel of the light through the light pipe. The curved geometry of the reflective path facilitates convergence of the light with respect to a first axis.
摘要翻译：用于光学导航系统的光管。光管包括收集表面，准直表面和反射表面。收集表面是从光源接收入射到光管中的入射光。准直表面是准直光并将准直光引导到导航平面，以便由导航传感器检测。反射表面在收集表面和准直表面之间，并且当光在光管内从收集表面行进到准直表面时，沿着反射路径反射光。反射表面具有基本上沿着光通过光管的行进路径定向的弯曲几何形状。反射路径的弯曲几何有助于光相对于第一轴的收敛。

2. 发明授权

US07710570B2 Light pipe for low profile optical navigation systems 有权
标题翻译：用于低调光学导航系统的光管
公开(公告)号：US07710570B2
公开(公告)日：2010-05-04
申请号：US12105607
申请日：2008-04-18
申请人： Yat Kheng Leong , Sai Mun Lee , Kok Khian Ng
发明人： Yat Kheng Leong , Sai Mun Lee , Kok Khian Ng
IPC分类号： G01N21/55 , F21V5/00
CPC分类号： G02B17/0856 , G01S7/4811 , G01S17/50 , G06F3/0317
摘要： A light pipe for an optical navigation system. The light pipe includes a collection surface, a collimation surface, and a reflective surface. The collection surface is to accept incident light into the light pipe from a light source. The collimation surface is to collimate the light and to direct the collimated light to a navigation plane for detection by a navigation sensor. The reflective surface is between the collection surface and the collimation surface and is to reflect the light along a reflective path as the light travels within the light pipe from the collection surface to the collimation surface. The reflective surface has a curved geometry oriented substantially along the path of travel of the light through the light pipe. The curved geometry of the reflective path facilitates convergence of the light with respect to a first axis.
摘要翻译：用于光学导航系统的光管。光管包括收集表面，准直表面和反射表面。收集表面是从光源接收入射到光管中的入射光。准直表面是准直光并将准直光引导到导航平面，以便由导航传感器检测。反射表面在收集表面和准直表面之间，并且当光在光管内从收集表面行进到准直表面时，沿着反射路径反射光。反射表面具有基本上沿着光通过光管的行进路径定向的弯曲几何形状。反射路径的弯曲几何有助于光相对于第一轴的收敛。

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