The Extension of Touch Screen

Touch screen technology is a kind of input innovation that allows people to manipulate a computer system by simply touching the terminal display screen. Touch screen technology is adapted for a wide variety of e-business and personal application, such as public information display, customer self-service, control and automation systems, computer based training, and personal entertainment. Touch screen technology can be used with most servers and all personal computers as easily as other peripheral equipment such as MS mouse or digital trackball.

A most simple touch screen has 3 main parts: 1) a touch sensor, 2) a controller, and 3) a software driver (see figure-1). Also the technology...