15 inch sound wave touch screen public places POS vending machine touch screen inquiry machine
- Unit Type: piece
- Package Weight: 0.5kg (1.10lb.)
- Package Size: 22cm x 22cm x 12cm (8.66in x 8.66in x 4.72in)
Surface acoustic waveIs a kind of transmission along the surface of the mediaMechanical wave. This kind ofTouch screenTouch screen,acoustic waveGenerator, reflector and acoustic receiver, the acoustic generator can send a high frequency sound waves acrossscreenWhen a finger touches the screen, the sound wave on the contact is blocked, thereby determining the coordinate position. Surface acoustic wave touch screen is not affected by temperature, humidity and other environmental factors, high resolution, has an excellent scratch resistant, long service life (50 million; no fault), the image quality can keep clear and transparent; do not drift, just installed a correction; third axis (i.e. the pressure axis) response. The most suitable for use in public places.
The touch screen part of the surface acoustic wave touch screen can be a flat surface, a spherical surface or a cylindrical glass plate. The glass plate is just a piece of pure glass, different from other touch screen technology is no film and a cover layer. The upper left corner and the lower right corner of the glass screen are respectively provided with a vertical and horizontal ultrasonic transmitting transducer, and two corresponding ultrasonic receiving transducers are fixed at the upper right corner. The four sides of the glass screen are engraved with a very precise reflection fringe of the 45 degree angle from sparse to dense.
Tags: touch screen, inch touch screen, machine touch, Cheap touch screen, High Quality inch touch screen, China machine touch Suppliers.