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.
Californiaís plan to mandate an electric vehicle market isnít the first such undertaking and certainly wonít be the last. But as the Golden State ratchets up for its next big step toward zero-emission vehicle status in 2018, it might be wise to consider a bit of history.
A customer who was thermal printing strip steel had a problem: When the strip's speed increased, the thermo printer would catch fire. When he set a flame to a piece of the strip, he couldn't get it to burn. What was the problem?