The touchscreen secrets

[Steven]

Technology that forms the basis touchscreen devices is not new, the first tactile interface appear in 1971. Tactile interfaces are based on a very simple and very complex technology. User shall not use the mouse cursor to lead to the desired point, but will make it direct with hand on a screen, which will know where contact occurs. The way the device will achieve a location is different, depending on the technology used. Basically, the touch screen is composed of several layers, each with a well defined role.