How does touch screen detect touched locations?
There is a variety of touch screen technologies, and each technology has a unique detecting method. Electricity, light, or sound is usually used for detection, according to the technology.
Which technology should be employed?
Each technology has its unique feature. Thus which technology to be used depends on applications. Thus, buyers of touch screens usually consult with a touch screen supplier about it. The most common technologies are introduced in this museum. They are resistive, capacitive, surface acoustic wave, and infrared technologies.
