X-ray or gamma ray systems or devices – Electronic circuit – With display or signaling
Reexamination Certificate
2011-01-11
2011-01-11
Kao, Chih-Cheng G (Department: 2882)
X-ray or gamma ray systems or devices
Electronic circuit
With display or signaling
C378S207000
Reexamination Certificate
active
07869568
ABSTRACT:
A radiation imaging apparatus is provided that stabilizes a dark current, image ghosting, and the sensitivity of the imaging apparatus, reduces the power consumption and the heat generation of a light source, and improves the durability of a conversion element. The radiation imaging apparatus includes a flat panel detector including a conversion unit, where the conversion unit includes a plurality of pixels arranged in a matrix and each of the pixels includes a conversion element capable of converting a radiation ray into electric charge, a light source capable of emitting light to the conversion unit, and a control unit configured to control the flat panel detector and the light source. The control unit controls the emission of light performed by the light source on the basis of a signal output from the flat panel detector.
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Endo Tadao
Kameshima Toshio
Takenaka Katsuro
Yagi Tomoyuki
Yokoyama Keigo
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Kao Chih-Cheng G
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