Correcting non-uniformity in displays
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United States of America Patent
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Sep 4, 2001
Grant Date -
N/A
app pub date -
Feb 26, 1999
filing date -
Feb 26, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In calibrating displays, analog information may be converted into digital information to control the display. The requirements of the analog to digital converter may be decreased by decreasing the necessary dynamic range for the analog to digital converter. This may be done by developing a first calibration signal indicative of a first plurality of pixels of the display and developing a second calibration signal indicative of a second plurality of the display. The first and second signals may be subtracted from each other and that signal may then be converted to a digital signal with reduced dynamic range requirements for the analog to digital converter.
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