Because the multi-touch panel of the iPhone and the iPod touch respectively uses a completely different approach than most of the widely adopted resistive touchscreens available in other mobile devices, you need a different kind of stylus. The screen of the iPhone is designed to take input commands only from person’s fingers (or other body parts), but not from a plastic stylus for instance that is normally used in touchscreen devices. In order to do that the screen of the phone has a lot of built in capacitive sensors that detect a difference in the charge of every place the user touches the screen, but in this way the screen is not pressure sensitive. So in order for you to use a stylus in combination with the iPhone you’ll have to use a specially designed “pens” for this type of multi-touch screen.

Until recently it was quite hard and a bit expensive to get such specially designed stylus, but now they are quite widely available and are … [ Read the rest of the story ]

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