| 摘要 |
A machine for inspecting the bottom of a glass container having an opening at the top thereof comprising deliverance of a glass container to an inspection station, the inspection station including a two dimensional camera having an imaging surface, viewing the bottom of the glass container through the opening thereof and focusing the viewed bottom on the imaging surface, computer for evaluating the viewed bottom imaged on the imaging surface and for illuminating the bottom of the glass container including a source of light for collimating light from the light source, diffusing the collimated light including two glass sheets each having a ground surface, the sheet being selectively locatable to define at least two spacings between the ground surface.
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