Radiant energy – Automatic/serial detection of similar sources
Patent
1991-03-28
1992-09-29
Fields, Carolyn E.
Radiant energy
Automatic/serial detection of similar sources
G01N 2304
Patent
active
051515962
ABSTRACT:
A radiation image read-out apparatus comprises a device for irradiating stimulating rays to a stimulable phosphor sheet, on which a radiation image has been stored. The stimulating rays cause the stimulable phosphor sheet to emit light in proportion to the amount of energy stored thereon during its exposure to radiation. A first photoelectric conversion device photoelectrically detects the emitted light and generates an image signal representing the radiation image. A second photoelectric conversion device photoelectrically detects the stimulating rays, which have been reflected from the stimulable phosphor sheet, and thereby generates a monitor signal. From the monitor signal, a detection device detects location of a pattern caused to occur in the radiation image, which is represented by the image signal, by dust clinging to the stimulable phosphor sheet.
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Fields Carolyn E.
Fuji Photo Film Co. , Ltd.
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