Now a days we use touch screen mobile phones but we never bother to know how does these touch screen devices actually work? How human touch is being converted into a machine level instruction and the appropriate work is done so i have took the effort to know the actual logic behind these touch screen phones. Before beginning with the actual working of a touch screen device we will have a small discussion on what is a touch screen and why touch screen technology is in great demand?
Touch Screen: Touch screens is a display that can detect human touch and recognizes the location of the contact and responds according to the software program
Why touch screen technology is in great demand?
Ans: Touch screens allow for a much more interactive and accessible experience. Input device
- Surface acoustic wave.
Example: If you open the music list and then scroll through your music list and then select a particular file for playing then all this information is send to the gesture interpretation software and then approximately to the music player application which will carry the further processing as per your touch.
If the raw data doesn't match any applicable gestures or commands, the I Phone pays no attention to that touch.