| 摘要 |
<P>PROBLEM TO BE SOLVED: To adjust the lightness of an illumination used for foreign substance inspection of a beverage liquid appropriately and efficiently in accordance with the types and color concentrations of a bottle and beverage to be inspected. <P>SOLUTION: In a beverage liquid foreign substance inspection system 10, a plurality of cameras 40 are provided and the cameras 40 image portions which are different from each other, in an inspected bottle 71. Illuminations 41 are provided one by one correspondingly to the plurality of cameras 40. A control device 50 calculates an illuminance measurement on a photo-detection plane of each of the cameras 40 by using shadow images of the inspected bottle 71 captured by the cameras 40, and individually adjusts the lightness of each of the illuminations 41 such that the calculated illuminance measurement is included in a determined illuminance range. <P>COPYRIGHT: (C)2013,JPO&INPIT |
