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1. 发明申请

US20160033750A1 System and Method for Expansion of Field of View in a Vision System 有权
标题翻译：视觉系统中扩展视野的系统和方法
公开(公告)号：US20160033750A1
公开(公告)日：2016-02-04
申请号：US14680143
申请日：2015-04-07
申请人： Cognex Corporation
发明人： Laurens Nunnink , Carl Gerst , William Equitz , Matthew D. Engle
IPC分类号： G02B17/02 , G03B17/56 , G06K7/10 , G02B17/06
CPC分类号： G02B17/023 , G02B17/06 , G02B26/105 , G02B26/12 , G02B27/1066 , G02B27/14 , G02B27/143 , G03B17/565 , G06K7/10603
摘要： This invention provides a field of view expander (FOVE) removably attached to a vision system camera having an image sensor defining an image plane. In an embodiment the FOVE includes first and second mirrors that transmit light from a scene in respective first and second partial fields of view along first and second optical axes. Third and fourth mirrors respectively receive reflected light from the first and second mirrors. The third and fourth mirrors reflect the received light onto the image plane in a first strip and a second strip adjacent to the first strip. The first and second optical axes are approximately parallel and a first focused optical path length between the scene and the image plane and a second focused optical path between the image plane and the scene are approximately equal in length. The optical path can be rotated at a right angle in embodiments.
摘要翻译：本发明提供了一种可拆卸地附接到具有定义图像平面的图像传感器的视觉系统相机的视野展开器（FOVE）。在一个实施例中，FOVE包括第一和第二反射镜，其在沿着第一和第二光轴的相应的第一和第二部分视场中从场景发射光。第三和第四反射镜分别接收来自第一和第二反射镜的反射光。第三和第四反射镜将接收到的光在第一条带和与第一条带相邻的第二条带上将图像平面反射到图像平面上。第一和第二光轴近似平行，并且场景与图像平面之间的第一聚焦光路长度和图像平面与场景之间的第二聚焦光路的长度近似相等。在实施例中，光路可以以直角旋转。

2. 发明授权

US09857575B2 System and method for expansion of field of view in a vision system 有权
公开(公告)号：US09857575B2
公开(公告)日：2018-01-02
申请号：US14680143
申请日：2015-04-07
申请人： Cognex Corporation
发明人： Laurens Nunnink , Carl Gerst , William Equitz , Matthew D. Engle
IPC分类号： G02B26/08 , G02B17/02 , G02B27/10 , G02B27/14 , G02B26/10 , G02B26/12 , G02B17/06 , G03B17/56 , G06K7/10
CPC分类号： G02B17/023 , G02B17/06 , G02B26/105 , G02B26/12 , G02B27/1066 , G02B27/14 , G02B27/143 , G03B17/565 , G06K7/10603
摘要： This invention provides a field of view expander (FOVE) removably attached to a vision system camera having an image sensor defining an image plane. In an embodiment the FOVE includes first and second mirrors that transmit light from a scene in respective first and second partial fields of view along first and second optical axes. Third and fourth mirrors respectively receive reflected light from the first and second mirrors. The third and fourth mirrors reflect the received light onto the image plane in a first strip and a second strip adjacent to the first strip. The first and second optical axes are approximately parallel and a first focused optical path length between the scene and the image plane and a second focused optical path between the image plane and the scene are approximately equal in length. The optical path can be rotated at a right angle in embodiments.

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