X-Ray security screening system having magnification
AssigneeNorth American Philips Corporation
InventorsDavid J. Haas, Costas Blionas, Joseph P. Muenzen
Life of this patent
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Abstract
The present invention involves an optical magnification system for viewing magnified portions of articles being inspected in X-ray examination systems. A combination of a full screen lens and at least one magnification lens are provided for variously inspecting the entire article or only suspicious parts thereof.
Claims17
An X-ray inspection system comprising a source of X-rays, a chamber in the path of said X-rays for containing articles, fluorescent screen means in said chamber opposite to said source for converting X-ray images of said articles into visible images, means for directing said visible image to a viewing station, and means for viewing said visible images of said articles, said viewing means including a lens magnification switching system for selectively viewing the entire visible image or only a magnified portion of said visible image at various positions.
Dependencies are inferred from the claim text.