X-ray imaging apparatus using X-ray planar detector
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United States of America Patent
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Oct 6, 1998
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Nov 6, 1996
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Nov 7, 1995
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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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