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Infrared technology touch screen basic concept
Dec 19, 2018

The infrared technology touch screen is composed of infrared emitting and receiving sensing elements mounted on the outer frame of the touch screen, and an infrared detecting net is formed on the surface of the screen, and any touch object can change the infrared rays on the contacts to realize the touch screen operation. The infrared touch screen is similar in principle to surface acoustic wave touch. It uses infrared emission and reception sensing components. These components form an infrared detection net on the surface of the screen. Touch-operated objects (such as fingers) can change the electric shock. The infrared rays are then converted into touch coordinate positions to achieve operational response. In the infrared touch screen, the circuit board device arranged on the four sides of the screen has an infrared transmitting tube and an infrared receiving tube, corresponding to form an infrared matrix which is horizontally and vertically intersected.

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