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GRID
GRID
Project under preparation.
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GRID is a technology which enables tracking of multiple devices on
standard LC-displays. This technology uses the fact that the LC-matrix of an
LC-display is mostly transparent to infrared light. By using active infrared
interaction devices it becomes possible to radiate through the LC-matrix and
detect the radiation behind the screen. Detection of the infrared light is done
by using an array of infrared sensors. In order to distinguish between different
devices a synchronization technique makes sure all the devices are interrogated
in different timeslots.
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