X-ray scanner

Details X-ray scanner X-ray scanner

1987-06-04

1988-07-05

Fields, Carolyn E.

X-ray or gamma ray systems or devices

Specific application

Absorption

378 58, 378 99, 378146, G01N 2304

Patent

active

047560150

ABSTRACT:
An x-ray scanner generates a fan-shaped x-ray beam through which an object to be inspected is moved and a detector line which generates signals corresponding to the radiation attenuated by the object. The processing electronics includes a comparator for recognizing faulty detector signals by means of which the roll-in of data ito the image memory is controllable such that, given a faulty detector signal, the transfer of the information into a memory line allocated to the detector is inhibited. The x-ray scanner also includes an allocator unit which omits predetermined detector channels for the purpose of geometric balancing. Given outage of a detector, its detector channel is omitted by the allocator unit, based on a signal from the comparator, instead of a prescribed detector channel.

REFERENCES:
patent: 4178510 (1979-12-01), Wagner
patent: 4562470 (1985-12-01), Dinh et al.

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