Radiography

Details Radiography Radiography

1976-03-18

1977-08-23

Gensler, Paul L.

Radiant energy

Invisible radiant energy responsive electric signalling

With means to inspect passive solid objects

250445T, A61B 602

Patent

active

040442608

ABSTRACT:
In a radiographic apparatus employing a fan-shaped spread of penetrating radiation the nature of the source can cause the energy spectrum of the radiation to be variable with position in the fan. Means are provided to modify output signals from the apparatus to correct for errors caused by such variations. The modifying factors required can be calculated or can be determined using a phantom body by a method which is described.

REFERENCES:
patent: 3940625 (1976-02-01), Hounsfield
patent: 3973128 (1976-08-01), Lemay

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