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公开(公告)号：EP2162790A1
公开(公告)日：2010-03-17
申请号：EP08772115.5
申请日：2008-06-27
IPC分类号： G03B13/36
CPC分类号： G03B13/36 , G02B7/32 , G02B7/38 , H04N5/23212
摘要： An improved autofocus system and method that includes a controllable light source having at least two selectively activated substantially monochromatic output wavelengths adapted for illuminating an object; a camera receiving light from said light source reflected from a portion of said object and generating output signals responsive to said received light; a controller connected to said camera and said controllable light source for positioning said camera and sequentially illuminating a first portion of the object with at least two selectively activated substantially monochromatic output wavelengths, moving the camera to a second position and sequentially illuminating a second portion of the object with at least two selectively activated substantially monochromatic output wavelengths; and a data processor connected to said camera and receiving said output signals and for each portion, comparing the output signals associated with each wavelength and determining a focus parameter from said comparison.
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公开(公告)号：EP2162790B1
公开(公告)日：2015-09-09
申请号：EP08772115.5
申请日：2008-06-27
CPC分类号： G03B13/36 , G02B7/32 , G02B7/38 , H04N5/23212
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公开(公告)号：EP2104829A1
公开(公告)日：2009-09-30
申请号：EP07868640.9
申请日：2007-11-01
IPC分类号： G01B1/00
CPC分类号： G03B13/36 , G02B21/365 , H04N5/23212 , H04N5/2354 , H04N5/332
摘要： Apparatus for sequentially imaging an object while maintaining focus includes a camera having a selectable image capture mode, an objective lens optically coupled to the camera, an optical range sensor operating through the objective lens, a strobe illuminator, and a controller coupled to the camera, the illuminator and the range sensor sequentially activating and deactivating the range sensor, selecting and deselecting the image capture mode only when the range sensor is deactivated, and activating and deactivating the strobe illuminator only when the image capture mode is active.
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