发明申请
- 专利标题： MOTION SENSOR ASSEMBLY FOR DETERMINING THE ANGULAR VELOCITY OF A MOVING CONTRAST IN ITS FIELD OF VIEW WITH A HIGH ACCURACY
- 专利标题（中）： 运动传感器组件，用于确定移动对比度的视角，具有高精度视野
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申请号： US14438601申请日： 2013-10-17
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公开(公告)号： US20150285833A1公开(公告)日： 2015-10-08
- 发明人: Franck Ruffier , Fabien Expert
- 申请人： UNIVERSITÉ D'AIX-MARSEILLE , CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S)
- 优先权： EP12306341.4 20121026
- 国际申请： PCT/EP2013/071738 WO 20131017
- 主分类号： G01P3/38
- IPC分类号： G01P3/38 ; G01S11/12 ; G01P3/68
摘要：
A motion sensor assembly is adapted to determine an angular velocity of a moving contrast in its field of view. The motion sensor assembly includes: a motion sensor with a first and a second analog photoreceptor each adapted for observing the moving contrast, the first and the second photoreceptors being separated by a predetermined interreceptor angle; and an angular velocity calculating unit connected to the first and second photoreceptors for calculating the angular velocity of the moving contrast based on a first and a second analog signal delivered by the first and the second photoreceptors, respectively. The first and the second analog signals delivered by the first and the second photoreceptors at are sampled a given sampling frequency to obtain a first and a second digital signal, respectively. An interpolator is configured to interpolate the first and the second digital signals upon their crossing a predetermined threshold between successive samples.
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