Quote:
Originally Posted by falzon03
btw....cnet reveiw says touch pro screen is pressure sensitive...
Screen - iPhone has multi-touch capacitive touch screen (changes voltage with finger, not compatible with standard stylus), Touch Pro has resistive touch screen (pressure sensitive, stylus included), but the buttons under the screen are capacitive. iPhone has 480x320 resolution, Touch Pro runs 640x480. EDGE: Touch Pro
heres the link...it was comparing iphone and touch pro....guess what....an app that no way in hell the iphone could ever use!
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The screen just does not work that way. In a nut shell resistive touch screens work by having layers, when you push your finger or stylus onto it causes those two layers to make contact. Then with some electrical magic the system knows where the screen has been pressed.
It does not operate by measuring pressure. So it would be impossible to make a scale.