Display device and method for controlling a display device
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United States of America Patent
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Issued Date -
Mar 29, 2007
app pub date -
Sep 15, 2005
filing date -
Sep 12, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A display device for the display of information in an environment where the intensity of ambient light varies between high and low levels has a variably intensity light source for illuminating the display and a controller for controlling intensity of the light source automatically in response to a sensed intensity of ambient light energy. The intensity of the light source is controlled between off, low and high values with the light source being off when the intensity of the ambient light is near a high value, low when the intensity of the ambient light is near a low value, and high when the intensity of the ambient light is between the high and low values.
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