Optics: measuring and testing – By inspection with agitation or rotation – Of container contents
Reexamination Certificate
2005-08-30
2005-08-30
Toatley, Jr., Gregory J. (Department: 2877)
Optics: measuring and testing
By inspection with agitation or rotation
Of container contents
C356S239600
Reexamination Certificate
active
06937339
ABSTRACT:
In an inspection device for inspecting for possible foreign matters contaminating a liquid filled transparent container, a red color illumination unit23A is disposed behind a glass container22filled with liquid and a pair of blue color illumination units23B and23C are disposed so as to sandwich the red color illumination unit23A. Both the red color and blue color illumination units23A,23B and23C are disposed so that the red color light transmits through the glass container22and the blue color light reflected by a possible foreign matter in the liquid merges with the red color transmission light. Both the transmission light and the reflection light are separated by a color separation mirror4and are imaged by CCD cameras5and6so as to detect both black color series and white color series foreign matters can be detected at the same time.
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Asano Kunitaka
Fukuda Hirohisa
Katane Tadahiro
Matsushima Mitsuhiro
Yamazaki Hiromi
Hitachi Engineering Co. Ltd.
Mattingly ,Stanger ,Malur & Brundidge, P.C.
Punnoose Roy M
Toatley , Jr. Gregory J.
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