Radiation image read-out apparatus

Details Radiation image read-out apparatus Radiation image read-out apparatus

1988-06-24

1989-09-19

Hannaher, Constantine

Radiant energy

Automatic/serial detection of similar sources

2504841, G03B 4200, G01T 100

Patent

active

048683884

ABSTRACT:
A radiation image read-out apparatus is constituted for exposing a stimulable phosphor sheet carrying a radiation image stored thereon to stimulating rays which cause the stimulable phosphor sheet to emit light in proportion to the stored radiation energy, and photoelectrically detecting the light emitted by the portion of the stimulable phosphor sheet exposed to the stimulating rays by use of a photodetector to obtain an image signal representing the radiation image. The apparatus comprises a sharpness adjuster for adjusting sharpness of a visible image reproduced based on the image signal, a light amount detector for detecting the light amount of stimulating rays, and a control circuit for receiving the output of the light amount detector, and controlling the sharpness adjuster in accordance with a decrease in the light amount of stimulating rays so that sharpness of the visible image is decreased.

REFERENCES:
patent: 4258264 (1981-03-01), Kotera et al.

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