Visual cue for display testing having one bit resolution
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United States of America Patent
Stats
-
Feb 28, 2006
Grant Date -
Jan 2, 2003
app pub date -
Apr 30, 2002
filing date -
May 11, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A display test system includes a symbol source and a controller connected to the symbol source for receiving a symbol in response to a testing event whereupon the controller causes the display to produce a first area having a first light intensity, and the symbol at a second light intensity within the first area. A viewer uses an input device to verify to the controller the ability to discern the difference in light intensities of the symbol and the first area by describing or identifying the symbol.
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Cited Art Landscape
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