Inspection apparatus and method using X-rays
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United States of America Patent
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-
Nov 7, 1989
Grant Date -
N/A
app pub date -
Dec 9, 1986
filing date -
Dec 9, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An X-ray inspection apparatus and method allow inspection of the contents of containers moving rapidly past an inspection station. The system includes an X-ray source pulsed by power line voltage, an image amplifier for converting an X-ray image of the container contents to a visible image and a solid state camera for converting the visible image into video signals which are processed by a computer controlled image processor. Clear images are produced of the contents of rapidly moving containers by simultaneously pulsing the X-ray source, the image amplifier and the camera. Image quality is enhanced by synchronizing the exposure of the camera with a portion of the interval in which a visible X-ray image is produced. Control logic and a reject mechanism eject containers having foreign contaminants.
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