Most touch screens can only respond to one touch at a time. There is a new technology now available called “multi touch” that enables some screens to detect multiple touches at the same time. [...]
Infrared technology uses a small frame around the display with LED’s and photo receptors hidden behind an infrared transparent bezel. The controller pulses the LED’s to create a grid of IR light [...]
Surface Acoustic Wave (SAW) touch screen technology is based on sending acoustic waves across a clear glass panel with a series of transducers and reflectors. When a finger touches the screen, [...]
Resistive touch screen technology consists of a glass or acrylic panel that is coated with electrically conductive and resistive layers. The thin layers are separated by invisible separator dots. [...]
Capacitive touch screen technology is a popular and durable technology that is used in a wide range of applications. It has a higher clarity than resistive technology, but it only responds to [...]