RADIOGRAPHIC IMAGE READER

PROBLEM TO BE SOLVED: To provide an inexpensive radiaographic image reader that uses a general head-on type photomultiplier, reduces the phenomenon of tailing, and improves the image reproducibility. SOLUTION: This radiographic image reader radiates exciting light to an accelerated phosphorescence p...

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Bibliographische Detailangaben
1. Verfasser:	YANO YURI
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY DIAGNOSIS ELECTROGRAPHY HOLOGRAPHY HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE PHOTOGRAPHY PHYSICS SURGERY
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an inexpensive radiaographic image reader that uses a general head-on type photomultiplier, reduces the phenomenon of tailing, and improves the image reproducibility. SOLUTION: This radiographic image reader radiates exciting light to an accelerated phosphorescence phosphor sheet on which radiation image information is recorded, and converts accelerated phosphorescence light guided by a light guide into an electric signal with the photomultiplier. The radiographic image reader includes at least one of a shielding means for shielding the accelerated phosphorescence light entering a peripheral region of a photoelectric surface of the photomultiplier and an attenuating means for attenuating the accelerated phosphorescence light. COPYRIGHT: (C)2010,JPO&INPIT