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Posts Tagged ‘Touch Screen’

Touch screens are now everywhere

The Samsung Omnia smartphone uses a touch screen

As we see the use of touch screens everyday in our lives it is hard to believe that they were originally developed in the late 1960s. But it wasn’t until 1972 that we saw the first touch screen launched in a computer assisted learning terminal. Today we see them used in kiosk systems, point-of-sale systems, on ATMs, PDAs, smart phones and game consoles to name a few.

The technology for touch screens comes in a variety of different forms. There is resistive, surface acoustic wave, capacitive which includes surface capacitance and projected capacitance touch (PCT), infrared, strain gauge, optical imaging, dispersive signal technology, and acoustic pulse recognition. PCT touchscreen technology is used in a wide range of applications including smart phones, kiosk, and point-of-sale systems.
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