Method and apparatus for radiation image read-out

Details Method and apparatus for radiation image read-out Method and apparatus for radiation image read-out

1985-10-11

1988-06-07

Fields, Carolyn E.

Radiant energy

Automatic/serial detection of similar sources

2504841, G03C 516

Patent

active

047498617

ABSTRACT:
In a system for reading out a radiation image stored in a stimulable phosphor sheet by exposing it to stimulating rays which cause it to emit light in proportion to the stored radiation energy, the emitted light is detected by a first photoelectric read-out unit, and noise light other than the aforesaid emitted light is detected by a second photoelectric read-out unit. The image signal detected by the second photoelectric read-out unit and multiplied by a predetermined coefficient is subtracted from the image signal detected by the first photoelectric read-out unit. The result of the subtraction is used as the read-out image signal for reproducing a visible radiation image.

REFERENCES:
patent: 4369367 (1983-01-01), Horikawa
patent: 4571493 (1986-02-01), Horikawa
patent: 4582988 (1986-04-01), Aagano
patent: 4636641 (1987-01-01), Mori et al.

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