Apple has been filing touchscreen patents for quite some time now. But the latest patent that Apple has filed with US patent office in April 2008 is the most detailed touchscreen patent by Apple. The patent deals with almost all the aspects of a touchscreen UI for a tablet kind of handheld device. The 52 page patent talks about controls with finger inputs, avoiding accidental input, scrolling horizontally or vertically and touch QWERTY keyboard. Read More
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