Compensation circuit for use in a high resolution amplified flat panel for radiation imaging
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United States of America Patent
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Nov 26, 2002
Grant Date -
May 9, 2002
app pub date -
Mar 15, 2001
filing date -
Nov 2, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A compensation circuit for use in a high resolution amplified flat panel for radiation imaging. The circuit includes an amplifier having an input terminal to receive amplified signal charge output on a source line by a selected pixel of the flat panel in response to a gate pulse. The amplified signal charge has a DC bias. Switching means is used to connect the input terminal to a potential voltage source when the amplified charge is received. The potential voltage source includes a magnitude substantially the same as the DC bias but opposite in polarity to offset the DC bias.
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