Object recognition on touch screens was mainly realized on capacitive displays. With the newly developed technology of eyefactive it is now possible to recognize objects also on touch screens with infrared frames (IR), a world novelty.
Objects are recognized on multi-touch displays by means of so-called marker chips. They have now been adapted by eyefactive for recognition on touch screens with IR technology. The marker chips are passive and therefore do not need a battery for permanent operation.
Read here for more:
https://www.eyefactive.com/en/press-releases/eyefactive-develops-object-recognition-ir-touch-screens-86-98
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