Several Apple patents involving the accelerometer and other deterministic methods of navigation of the iPhone, iPod touch and iPad have appeared at the US Patent & Trademark Office.
Patent number 20100188331 is for methods and apparatuses for operating a portable device based on an accelerometer. According to one embodiment of the invention, a movement of a portable device is detected using an accelerometer attached to the portable device. An orientation of the portable device after the movement is determined based on movement data provided by the accelerometer. It is determined whether the portable device is held by a user after the movement based on the movement data provided by the accelerometer. Locations of the hands of the user for holding the portable device are determined based on the orientation of the portable device. At least one interface that is not within the predicted locations of the hands of the user is activated. The inventors are Paul...| Read more »