It's believed that the first ever touch screen was invented in 1965 by a man named E.A. Johnson in Malvern, United Kingdom. The device was a tablet with a capacitive touch screen. The resistive touch screen was created in 1970.
htc Palm Treo 650 world's first touch screen phone
the inventor of the touch screen phone and the first touch screen phone was an IBM Simon i think
apple
Ok first of all the enV touch and Voyager 2 are different phones. And yes you can lock the touch screen.
You can infact change any LCD screen to a touch screen display. If you wish to use the touch screen as a display and input device you must install other software on your computer to recognise the touch screen input.
nokia pro+
NOKIA
the rumor touch does have a touch screen.
Because the outside has put one touch screen panel, so then any LCD/LED can change as touch screen.
hewlet packard
The touch screen may respond to touch by sensing the heat of your finger