X-ray or gamma ray systems or devices – Electronic circuit – With display or signaling
Patent
1996-11-06
1998-10-06
Porta, David P.
X-ray or gamma ray systems or devices
Electronic circuit
With display or signaling
25037009, A61B 603
Patent
active
058188983
ABSTRACT:
An X-ray imaging apparatus comprises an X-ray emission unit for emitting X-rays onto a human body under examination, an X-ray emission control unit for outputting an X-ray emission signal to direct the X-ray emission unit to emit X-rays, a flat panel X-ray detector having a two-dimensional array of detector elements in rows (lines) and columns, each of the detector elements converting incident X-rays passed through the human body under examination into an electric charge signal and storing it, a resetting unit for placing each line of the detector elements in the readout state in sequence, thereby discharging electric charge stored on each of the detector elements, a storage unit for placing all the lines of the detector elements in the readout state to thereby allow each of the detector elements to store an electric charge signal, and a readout unit for placing each line of the detector elements in the readout state in sequence to thereby read an electric charge signal from each of the detector elements.
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patent: 4827145 (1989-05-01), Arques
patent: 4991192 (1991-02-01), Nishiki
patent: 5101421 (1992-03-01), Nishiki
patent: 5262649 (1993-11-01), Antonuk et al.
patent: 5583905 (1996-12-01), Nishiki et al.
Nabuchi Koichiro
Nagai Seiichiro
Nishiki Masayuki
Saisu Tohru
Tanaka Manabu
Kabushiki Kaisha Toshiba
Porta David P.
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