Radiant energy – Automatic/serial detection of similar sources
Patent
1989-09-05
1990-08-28
Fields, Carolyn E.
Radiant energy
Automatic/serial detection of similar sources
G01N 2304
Patent
active
049528068
ABSTRACT:
After a stimulable phosphor sheet having a radiation image stored thereon is exposed to stimulating rays causing the stimulable phosphor sheet to emit light in proportion to the amount of energy stored thereon during exposure to radiation, and the emitted light is detected to obtain an image signal representing the radiation image, the stimulable phosphor sheet is exposed to erasing light in order to release the energy remaining thereon. When the levels of components of the image signal, the components corresponding to part of the stimulable phosphor sheet, exceed a range of signal levels from which information about a radiation image can be detected accurately, the levels of energy stored at the part of the stimulable phosphor sheet are predicted from how the levels of the other components of the image signal, the levels falling within the range of signal levels, are distributed. The amount of erasing light is determined based on the predicted levels of energy.
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patent: 4651220 (1987-03-01), Hosoi et al.
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Fields Carolyn E.
Fuji Photo Film Co. , Ltd.
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