TOUCH SCREENS

TOUCH SCREENS PPT

 

A touch screen is a computer display screen that is sensitive to human touch, allowing a user to interact with the computer by touching pictures or words on the screen.

 

How Does a Touch screen work? 

  A basic touch screen has three main components:

Ø      Touch sensor;

Ø      Controller; 

Ø      Software driver.

Touch Screen Technology

Ø Resistive touch screen

Ø Capacitive touch screen

Ø Infrared  touch screen

Ø Surface acoustic wave (SAW) touch screen

Ø Strain gauge touch screen

Ø Optical imaging touch screen

Ø Dispersive signal technology touch screen

 

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