Optics: measuring and testing – Inspection of flaws or impurities – Containers or enclosures
Reexamination Certificate
2011-07-19
2011-07-19
Chowdhury, Tarifur (Department: 2886)
Optics: measuring and testing
Inspection of flaws or impurities
Containers or enclosures
C382S142000
Reexamination Certificate
active
07982868
ABSTRACT:
A method for detecting one or more foreign substances in one or more containers filled with liquid, comprising of: transporting the containers filled with liquid in a substantially straight line at relatively high speed in a production environment; —illuminating each container with content with one or more fixedly disposed light sources; and —inspecting the container with content from preferably two or more different orientations using two or more cameras, wherein cameras and lighting are disposed substantially fixedly relative to each other, while the cameras and light sources are mutually connected such that in a short time two or more images of a container filled with liquid can be recorded with mutually differing illumination and/or angle of incidence; —comparing the foreign substances in the two or more images; and —wherein a container filled with liquid is rejected on the basis of the probability distribution obtained from the comparisons, wherein above a determined probability it is concluded that the foreign substance is a glass particle or other undesirable particle.
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Akkerman Jensen Peter
De Wit Jilles
Endtz Frederik Nico
van de Stadt Arend
Van Der Meer Dan
Chowdhury Tarifur
Eagle Vision Systems B.V.
Stock, Jr. Gordon J
The Webb Law Firm
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