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3958078 X-ray inspection method and apparatus  
Articles such as glass jars filled with food products are inspected for defects by scanning an x-ray image to provide video signals which are processed in a novel manner to provide increased...
3924064 X-ray inspection equipment for baggage  
An X-ray inspection apparatus for baggage whereby regenerating an X-ray image of an object is disclosed. X-rays are radiated to the object in the form of pulses, and the image is converted to a...
3919467 X-ray baggage inspection system  
An X-ray baggage inspection system in which an X-ray generator directs a beam through an object of baggage and the resulting image, appearing on a fluorescent screen, is scanned by a low light...
3917947 Foreign particle detector  
This apparatus inspects products for presence of foreign fragments while the product is in motion and includes a timing screw driven by a synchronous motor, an X-ray source for intermittently...
RE28544 Radiant energy imaging with scanning pencil beam  
A pencil beam of X-rays scans an object along a line of direction before an X-ray detector to produce an image of the line along a picture tube. By relatively displacing the object scanned and the...
3895232 X-ray contrast detection system  
A radiation detection device including a scintillation crystal in the form of a rod having photomultiplier devices affixed to either end which monitors the X-ray transmission characteristics of an...
3884816 Method and apparatus for detecting dangerous articles and/or precious metals  
A method and apparatus for searching whereby an object is continuously or spot scanned by an X-ray having a comparatively large spot diameter. The X-rays are transmitted through the object or...
3832545 NUCLEAR TECHNIQUES FOR DETECTING THE PRESENCE OF EXPLOSIVES  
The invention pertains to a nuclear technique for monitoring objects such as luggage and parcels to determine the presence of specified nitrogen containing materials such as explosives as a...
3828193 METHOD AND APPARATUS FOR DETECTING PARTIALLY-FILLED OR ABSENT CONTAINERS IN A SEALED SHIPPING CARTON  
A non-destructive method and apparatus for determining the presence of broken or missing containers in a sealed opaque shipping case, including a source of γ-rays directed at the case, means for...
3808444 X-RAY CONTRAST DETECTION SYSTEM  
The invention relates to a technique for monitoring objects such as parcels or luggage for the presence of a predetermined class of objects, such as guns and bullets, on the basis of contrast...
3790785 RADIOGRAPHIC IMAGING  
An X-ray imaging system includes a thin sodium iodide single crystal or matrix of single crystals for converting an X-ray image into a visible image. Preferably an electro-optical amplifier...
3678278 APPARATUS FOR BAGGAGE INSPECTION  
An inspection apparatus for use with an airline ticket and check-in counter includes an X-ray and fluoroscopic examination unit and a frequency modulation monitor, all positioned on a frame...
3121166 X-ray apparatus for measuring paper web density  
3050626 Measuring system  
3007048 Measuring and controlling system  
2885557 Inspection apparatus  
2843755 Radioactive inspection of housings  
2813201 X-ray inspection apparatus  
2783387 Ray detecting system and method of stabilizing same