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    • 44. 发明授权
    • Method and device for determining the absolute coordinates of an object
    • 用于确定对象的绝对坐标的方法和装置
    • US06876458B2
    • 2005-04-05
    • US10478121
    • 2003-03-19
    • Anton Kraus
    • Anton Kraus
    • G01B11/00G01B11/25G01B11/24
    • G01B11/2536G01B11/2513
    • In a method for determining the absolute coordinates of an object (1), the object (1) is exposed to light (3) through a projection grid (2). The light (4) reflected by the object 1 is registered by a sensor (5). The image picked up by the sensor is evaluated. In order to improve such a method, the projection grid (2) comprises a first grid with a first grid vector (G1), and a second grid with a second grid vector (G2) which differs from said first grid vector. The sensor (5) is arranged at a distance (b) from the projection grid (2) such that the projections (bx, by), of the base vector (b) leading from the first and from the second grids to the sensor (5), onto the associated grid vectors (G1, G2) differ in size.
    • 在用于确定物体(1)的绝对坐标的方法中,物体(1)通过投影栅格(2)暴露于光(3)。 由物体1反射的光(4)由传感器(5)记录。 评估由传感器拾取的图像。 为了改进这种方法,投影网格(2)包括具有第一网格矢量(G1)的第一格栅和具有与所述第一格网矢量不同的第二网格矢量(G2)的第二格栅。 传感器(5)与投影栅格(2)的距离(b)布置成使得从第一和第二格栅引导到传感器的基本矢量(b)的突起(bx,by) 5),相关网格向量(G1,G2)的大小不同。