VISUAL INSPECTION APPARATUS
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United States of America Patent
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Issued Date -
Nov 14, 2013
app pub date -
Dec 20, 2011
filing date -
Dec 30, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A visual inspection apparatus photographs an inspection object using a camera to determine whether the inspection object is defective, and comprises: a stage part on which an inspection object is seated; a camera part including a lens and an image detection part, wherein the camera part photographs an image of the inspection object; an illumination part for illuminating the inspection object; and a visual processing part that reads the image photographed by the camera part to determine whether the inspection object is defective or not. Within a lateral camera of the camera part, which is slopingly installed with respect to a line perpendicular to a plane on which the inspection object is seated, a surface of the image detection part is slopingly installed at a predetermined angle with respect to a plane perpendicular to a line of connecting a center of the inspection object to a center of the camera lens of the lateral camera. Thus, since resolution may be improved and the optical path difference is compensated for, the image of the inspection object may be precisely read. Also, a lateral image of the inspection object may be clearly photographed without changing the size of the apparatus.
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