Cell phone vibrator motor behavior
Mobile environments are very dynamic and unpredictable [1]. When a mobile phone user is moving, his attention resources are reserved partly for passively.
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tion motor in mobile devices as a sound sensor, almost like a microphone. We show that to a phone's vibra-motor may now be able to eavesdrop into every phone problem altogether – instead of learning a motion sig- nature, it attempts to.
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Researchers hack phone vibration motor to act as a microphone
Description:Next If you have a cell phone or a pager, then you know that having it ring in the middle of a movie or performance is enough to get you killed in some cities. Vibrating devices that quietly replace the ringer are therefore life-saving devices that are an important part of urban survival! There is, however, a device that takes vibration to high-tech extremes. Any parent whose child owns a Tickle-Me-Elmo doll has experienced this technology. Elmo has a vibration system designed to simulate body-shaking laughter that is powerful enough to cause many children to drop the toy. The vibration system inside a pager works exactly the same way on a smaller scale, so let's use Elmo as an example.
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