Touch
     Touch screen becomes one of the popular medium as a display and also as an input device for Next Gen mobile sets. Using stylus feature an user can control the input functionality of the device like multi finger gesture. This new function totally decreases the bar-phone mobile market. Now users prefer all display set, less keys on the phone is better. Touchscreens popularly used in PC’s, gaming consoles, tablets, ATMs etc. Many different methods are used to make the touch screen work. Those are Resistive, Surface acoustic wave, Capacitive, Infrared grid, Infrared acrylic projection, Optical imaging, Dispersive signal technology, Acoustic pulse recognition etc.









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