Radiant energy – Source with recording detector – Using a stimulable phosphor
Patent
1998-01-21
2000-10-10
Hannaher, Constantine
Radiant energy
Source with recording detector
Using a stimulable phosphor
250583, 250585, G03B 4208
Patent
active
061304409
ABSTRACT:
An image reading apparatus includes three laser stimulating ray sources for emitting a laser beam, a laser beam scanner for scanning the laser beam, a light detector for photoelectrically detecting light released from an image carrier carrying an image, a scan starting point detector for detecting the laser beam and detecting a scan starting point in a main scanning direction, a laser power adjuster for adjusting power of the laser beam to be projected onto the image carrier in accordance with the kind of the image carrier and a gain switch for switching gain of the scan starting point detector in accordance with the kind of the laser beam and the kind of the image carrier. According to the thus constituted image reading apparatus, it is possible to accurately detect a scan starting point in a main scanning direction of a laser beam to read an image in a radiation diagnosis system, an autoradiographic system, an electron microscope detecting system and a radiation diffraction image detecting system using a stimulable phosphor and a fluorescence detecting system.
REFERENCES:
patent: 4410799 (1983-10-01), Okamoto
patent: 4733307 (1988-03-01), Watanabe
patent: 4855597 (1989-08-01), Shimura
patent: 4864132 (1989-09-01), Adachi et al.
patent: 4893012 (1990-01-01), Agano et al.
patent: 5528050 (1996-06-01), Miller et al.
Fuji Photo Film Co. , Ltd.
Hannaher Constantine
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