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The touch screen is equipped with the ultrasonic transducer in the corner. A high-frequency sound wave can be sent across the surface of the screen. When a finger touches the screen, the sound wave on the contact is blocked, thus determining the coordinate position.
The surface acoustic touch screen is not affected by temperature, humidity, and other environmental factors, high resolution, scratch resistance, long life, high light transmittance, energy
Maintain clear and clear image quality, most suitable for public use. But dust, water, and dirt will seriously affect its performance, the need for frequent maintenance, keep the surface clean.
