A touch screen is a touch input device that carries out the functions of both the video display unit and input devices (keyboard and mouse)’ Touch screens have been very popular in recent years and can see all of the shopping malls, airports, fast food restaurants, and ATMs’

The touch-screen technology has been around since the 1970s and there are several companies that manufacture equipment with touch screen’ A touch screen to save space and maintenance, making them popular information kiosks’ These touch screen displays, whether in the form of touch screens or add-on panels that are mounted on a monitor screen’

A touch screen has three main components that allow the operation of the touch sensor, the driver and the driver software’ The driver software is the application program that translates the feeling of touching the controls and communicates with the operating system installed on your computer’ The controller is a PC card that connects the touch sensor for the team’ It is a small gadget that translates the information from the sensor into contact with information that is understandable to the PC’

There are several technologies used in the manufacture of touch screen touch’ The screen can build resistance, capacitive or surface wave technology senses’ A resistive touch screen is where a thin metal layer acts as a tough primary sensory layer’ Raises the resistance layer and move the button as an electrical impulse’ However, the touch screen using capacitive capacitive tendency of the human body, due to interference in its own layer and the capacitive touch sense’ Alternatively, the surface wave touch screen, uses ultrasonic waves’ These waves pass over the touch screen’ Some waves are absorbed when the user touches the screen’ This wave of change events contact and location’

Touchscreen technology using the principles of physics, but the touch screen greatly simplifies communication’ With easy to use and attractive interface, a touchscreen is very privileged to games, training and information’

Tags: 2 Inch TFT, Brain Waves, Embedded TFT, TFT Displays, Touch Screen TV