Radiation image read-out apparatus

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

1986-12-29

1988-05-31

Fields, Carolyn E.

Radiant energy

Automatic/serial detection of similar sources

2504841, G03C 516

Patent

active

047483261

ABSTRACT:
A radiation image read-out apparatus is constituted for scanning a stimulable phosphor sheet carrying a radiation image stored thereon with a beam of 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 a stimulable phosphor sheet portion scanned with the beam of stimulating rays by use of a photodetector to obtain an image signal. The radiation image read-out apparatus is constituted so that the beam diameter of the beam of stimulating rays is adjusted to be smaller than a picture element size and each of picture elements is scanned by a plurality of scanning passes with the beam of stimulating rays. An addition device is provided for adding a plurality of image signals per picture element obtained by the plurality of scanning passes.

REFERENCES:
patent: 4527061 (1985-07-01), Horikawa et al.

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