How Does a Touch Screen Work: iPhone Solution by Apple
At the moment the company produces the Smartphone iPhone and multimedia player iPod Touch with multi-sensor displays. Their capabilities and the capabilities of notebooks Macbook Air with the analogical touchpad Apple in the document are called referring to the major.
The additional functions are much wider and enable the users to, for instance, cancel the last action or teach the sensor to identify certain touches as the Tab button. For certain operations you can use up to 3 fingers thumb, forefinger and middle fingers.
Another novelty is the ability of the system to identify the side part of the little finger. Owing to the fact that the imprint of this part of the finger is completely different to the imprints of other fingers, the user will be able to change the volume of screen brightness in a few moments.
Some time before, 5 Apple engineers patented a technology enabling to define to which application users touches refer to with the help of a touchpad. This helps to control a number of applications simultaneously.
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A few more words about Apples software...