Radiation image read-out method

Details Radiation image read-out method Radiation image read-out method

1984-06-18

1986-02-18

Howell, Janice A.

Radiant energy

Automatic/serial detection of similar sources

G03C 516

Patent

active

045714932

ABSTRACT:
A stimulable phosphor sheet carrying a radiation image stored therein is scanned by stimulating rays which cause the stimulable phosphor sheet to emit light in proportion to the stored radiation energy. The emitted light is photoelectrically detected to obtain an electric image signal of the radiation image. A signal amount corresponding to after-glows emitted by the stimulable phosphor sheet and photoelectrically detected when the stimulating rays exist outside of the stimulable phosphor sheet after scanning along at least one scan line is conducted is subtracted from an amount of electric image signal photoelectrically detected when the stimulable phosphor sheet is scanned by the stimulating rays, thereby accurately obtaining an image signal representing the radiation image for use in reproduction of a visible image.

REFERENCES:
patent: 4258264 (1981-03-01), Kotera et al.
patent: 4276473 (1981-06-01), Kato et al.
patent: 4315318 (1982-02-01), Kato et al.
patent: 4369367 (1983-01-01), Horikawa et al.
patent: 4387428 (1983-06-01), Ishida et al.
patent: 4527061 (1985-07-01), Horikawa et al.

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