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Optical Sensing Technology
Optical (Camera) Sensor Materials Glass substrate, line scanning optical sensors, lighting strips Principle of Operation •Miniature cameras are positioned in the top two corners of the substrate. •Illuminated border or reflective borders on the opposing three sides project a uniform field of infrared light slightly above the glass surface. •Touch occurs when a finger or object block the light from the cameras. •The controller processes the optical information and calculates the X,Y coordinates
