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Consumer touch screen

The use of current sensing of the human body, the glass surface is a layer of transparent metal conductive material, when a conductive object to touch, it will change the capacitance of the contact, so that the location of the touch. But there is no response when wearing gloves or holding an electrically conductive object without touching, this is due to an increase in the insulation of the medium. Capacitive touch screen can be very good sense a slight and quick touch, anti scratch, afraid of dust, dirt and water effects, suitable for harsh environment with.

On a：Surface acoustic wave touch screen

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