X-ray diagnostics installation having a solid-state transducer

Details X-ray diagnostics installation having a solid-state transducer X-ray diagnostics installation having a solid-state transducer

1991-07-31

1992-01-28

Hannaher, Constantine

Radiant energy

Automatic/serial detection of similar sources

2504841, G03B 4202

Patent

active

050846191

ABSTRACT:
An x-ray diagnostics installation has a solid-state image transducer with a layer whose electrical resistance is dependent on the intensity of incident radiation from an x-ray source, and an electro-luminescent layer in contact therewith which converts the resistance into a corresponding brightness value. Due to the decay time of the electro-luminescent layer, an image will be temporarily stored in the solid-state image transducer after the x-ray source has been deactivated. This temporarily stored image is read-out, after deactivation of the x-ray source, by a scanner for converting the brightness of the picture elements of the electro-luminescent layer into corresponding electrical signals. These signals are supplied to a data acquisition and processing system, which generates an image for display.

REFERENCES:
patent: Re31847 (1985-03-01), Luckey
patent: 3710127 (1973-01-01), Kohashi et al.
patent: 4628356 (1986-12-01), Spillman et al.
patent: 4873708 (1989-10-01), Cusano et al.
patent: 4922103 (1990-05-01), Kawajiri et al.
patent: 4945423 (1990-07-01), Takanashi et al.
"Application of Solid State Image Converters (SSIC) in Criminal Investigation", Sturmer, SPIE, vol. 108, Optics in Security and Law Enforcement (1977, p. 21).

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