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Device to Trace Radio Waves Could Help Find Lost Cellphones

11 July 2011 No Comment

Japanese telecommunications company KDDI recently displayed a system capable of displaying the direction of incoming radio waves.

The system consist of a GPS, 8 cameras, an electronic gyroscope and a 9-element array antenna. The direction of the radio waves is represented as a graphic overlayed on a display showing an image of the surroundings. In the demo below a red line pin points the origin of the the radio signal and traces the source to the receiver. Researcher Masayuki Nakano says that in theory, this system could be used to locate lost cellphones by tracing radio waves emitted by the phone to find its location. KDDI is currently working on downsizing and improving the accuracy of this already precise device.


via: DigInfo

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