Radiography apparatus wherein interleaving of beam paths is effe

Details Radiography apparatus wherein interleaving of beam paths is effe Radiography apparatus wherein interleaving of beam paths is effe

1977-01-31

1978-05-23

Smith, Alfred E.

Radiant energy

Invisible radiant energy responsive electric signalling

With means to inspect passive solid objects

250445T, A61B 602, G01N 2308, H05G 130

Patent

active

040912868

ABSTRACT:
In computerized tomographic apparatus in which radiation from a source is projected through a body along a plurality of substantially linear beam paths and the source is rotated around the body, interleaving of beam paths is effected by changing the phase of timing pulses, with respect to the rotational movement, at a suitable stage in the scan. A bank of detectors is used to detect the radiation emergent from the body along said paths and a feature of the invention is to change the phase for each detector at a respective time so that no beam paths are duplicated but all sets of interleaved and original beam paths are completed in a single revolution of the scan.

REFERENCES:
patent: 3934142 (1976-01-01), Hounsfield
patent: 4044260 (1977-08-01), Hounsfield

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