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1. 发明授权

US09243898B2 Positioning device comprising a light beam 有权
标题翻译：定位装置包括光束
公开(公告)号：US09243898B2
公开(公告)日：2016-01-26
申请号：US14251812
申请日：2014-04-14
申请人： CSEM Centre Suisse d'Electronique et de Microtechnique SA Recherche et Developpement
发明人： Peter Masa , David Hasler , Eric Grenet , Ross Stanley
IPC分类号： G01B11/14 , G01J1/04 , G01S3/781 , G01S3/783 , G01S5/16
CPC分类号： G01B11/14 , G01J1/0437 , G01S3/781 , G01S3/7835 , G01S5/16 , G01S5/163
摘要： A position measurement system for determining 2D displacement or position of a mobile element with respect to a reference frame, including: a point light; an optical mask having transparent and opaque areas defining a repetitive pattern on at least one side of its surfaces; an imager, fixed to a mobile element, including integrated electronic circuits allowing detection, computing and analyzing of a shadow projected by the optical mask. The position measurement system includes an optical diffuser plate between the light source and the mask. The imager, mask and diffuser plate form an assembly so as to produce a light spot created by the scattering of the incident light beam emitted by the light source on the diffuser plate. The mask positioned between the diffuser plate and imager, produces a shadow on the imager, allowing to compute and provide 2D position of the mobile element relative to the fixed reference frame.
摘要翻译：一种用于确定移动元件相对于参考框架的2D位移或位置的位置测量系统，包括：点光源; 具有在其表面的至少一侧限定重复图案的透明和不透明区域的光学掩模; 固定到移动元件的成像器，包括允许检测，计算和分析由光学掩模投影的阴影的集成电子电路。位置测量系统包括在光源和掩模之间的光学漫射板。成像器，掩模和扩散板形成组件，以便产生由光源在扩散板上发射的入射光束的散射所产生的光斑。位于扩散器板和成像器之间的掩模在成像器上产生阴影，允许计算并提供相对于固定参考系的移动元件的2D位置。

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