As mobile phones offer functions far beyond simple telephonic communications, the human machine interface becomes more important. KEYnetik Inc. developed a Motion Enabled Prototype Phone that lets owners navigate with just one hand. Users can select icons by simply tilting the device in the desired direction and pressing a button when their selection is highlighted. A pair of Analog Devices' ADXL330 iMEMS accelerometers are key components, providing six degrees of freedom and filtering out motion interference by determining where the force is coming from. Automatic screen rotation and simplified gaming control are also features of the prototype phone.
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