Radiation image read-out apparatus for stimulable phosphor sheet

Details Radiation image read-out apparatus for stimulable phosphor sheet Radiation image read-out apparatus for stimulable phosphor sheet

1985-06-07

1989-03-28

Howell, Janice A.

Radiant energy

Invisible radiation responsive nonelectric signalling

Luminescent device

2503272, G01T 1105

Patent

active

048166880

ABSTRACT:
A radiation image read-out apparatus comprises a source for emitting stimulating rays for scanning a stimulable phosphor sheet carrying a radiation image stored therein, a photoelectric read-out means for detecting light emitted by the stimulable phosphor sheet when it is scanned by stimulating rays, and a reflection mirror positioned near a portion of the stimulable phosphor sheet where stimulating rays impinge thereupon for reflecting light emitted by the stimulable phosphor sheet towards the photoelectric read-out system. The reflection mirror is fabricated to be moveable between a position at which the reflection mirror reflects light, which is emitted by the stimulable phosphor sheet, towards the photoelectric read-out means and a position at which the reflection mirror does not reflect stimulating rays, which are reflected by the stimulable phosphor sheet, towards the stimulable phosphor sheet.

REFERENCES:
patent: 4258264 (1981-03-01), Kotera et al.
patent: 4346295 (1982-08-01), Tanaka et al.

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