Apparatus for checking baggage with x-rays

Details Apparatus for checking baggage with x-rays Apparatus for checking baggage with x-rays

1987-03-30

1989-03-28

Church, Craig E.

X-ray or gamma ray systems or devices

Specific application

Absorption

378 99, G01N 2304, G01N 2310

Patent

active

048171212

ABSTRACT:
An apparatus for checking baggage with X-rays utilizing an X-ray source for irradiating X-rays toward an object to be checked on a conveyor with a fan-shaped beam, an X-ray detector including a plurality of detecting elements aligned along each of two arms of an L-shape arranged so that one arm extends substantially parallel and another arm extends substantially perpendicularly to a conveying surface of the conveyor means with the detecting elements providing electrical signals in proportion to intensity of the detected X-rays passed by the through the object as measured data, and a picture processor for converting the measured data into a picture signal for display on a display device. The picture processor includes a distortion correcting circuit for processing the measured data from the L-shaped X-ray detector so that the measured data corresponds to data obtained by detecting elements arranged along one straight line.

REFERENCES:
patent: 4599740 (1986-07-01), Cable
patent: 4636952 (1987-01-01), Crawford

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