Surface Acoustic wave touch screens use transducers
mounted at the edge of a glass overlay to emit ultrasonic sound waves
along two sides. These waves are reflected across the surface of the
glass and received by sensors. A finger or other soft tipped stylus
absorbs some of the acoustic energy and the controller measures the
mplitude change of the wave to determine touch location.
Touch Monitor
Designed and optimized for touch, this display provides
the most cost-effective touch solutions for system integrators. They
provide reliable, durable operation. With Utouch's proven built-in,
not add-on technology, it integrates the UTouch’s unique patent SAW
DustProof or WaterProof touchscreen. Anti-vandal touchscreen is available
for special applications. UTouch SAW LCD touchmonitor will make your
project a design success.