Adjustable gain detectors in RAS devices
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United States of America Patent
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Jun 21, 2005
Grant Date -
Dec 9, 2004
app pub date -
Dec 10, 2002
filing date -
Dec 10, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Fast, under-sampled raster scans are created and measured in order to automatically determine appropriate settings for the adjustable gain detector that is employed in the device. The non-linear nature of the detector response to gain settings, and the characteristics of the raster scan are modeled to create an overall transfer function that is used to calculate the correct settings of the detector for a full-resolution image. Multiple samples are introduced to the scanning device under computer control, and the auto-exposure device is employed for each sample without user intervention.
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