Oblique illumination for video rim inspection
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United States of America Patent
Stats
-
Mar 15, 1988
Grant Date -
N/A
app pub date -
Sep 11, 1986
filing date -
Sep 11, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An illumination system for video inspection of transparent and translucent bodies to be inspected sequentially while moving along a conveying path has a light source and light-transmitting block partly enclosing over the end of the bodies moving on the path. A light source, especially one or more strobe lamps is located along the conveying path, and light from the source is directed inwardly by the block to a diffuse surface defining side walls of a channel through which rims move along the conveying path. The diffuse side walls direct light inwardly and obliquely of the rim. The rim can be illuminated on the fore and aft sides in the channel by light emission from an additional block of material forming a connection web between the inwardly-reflective blocks, tending to evenly illuminate the rim.
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Family
International Classification(s)
Cited Art Landscape
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