Method and apparatus for recording and reading radiation images

Details Method and apparatus for recording and reading radiation images Method and apparatus for recording and reading radiation images

1993-11-22

1995-08-29

Hannaher, Constantine

Radiant energy

Source with recording detector

Using a stimulable phosphor

250582, G03B 4202

Patent

active

054462924

ABSTRACT:
A stimulable phosphor sheet is exposed to radiation carrying image information of an object, and a radiation image of the object is thereby stored on the stimulable phosphor sheet. The stimulable phosphor sheet is then exposed to stimulating rays, which cause the stimulable phosphor sheet to emit light in proportion to the amount of energy stored thereon during its exposure to the radiation. The emitted light is photoelectrically detected, and an image signal representing the radiation image is thereby obtained. When the stimulable phosphor sheet is exposed to the radiation, the stimulable phosphor sheet is located such that it may make an angle falling within the range of 5 degrees to 60 degrees with respect to a plane, which is normal to the direction of travel of the radiation carrying the image information of the object. The image signal, which has been obtained by photoelectrically detecting the light emitted by the stimulable phosphor sheet, is corrected in accordance with the angle.

REFERENCES:
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patent: 4315318 (1982-02-01), Kato et al.
patent: 4346295 (1982-08-01), Tanaka et al.
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patent: 4387428 (1983-06-01), Ishida et al.
patent: 4543479 (1985-09-01), Kato
patent: 4947046 (1990-08-01), Kawabata et al.

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