Invention Grant
US08624726B2 Battery-less emergency distress signal and position indication broadcasting methods and devices 有权
无电池紧急遇险信号和位置指示广播方式和装置

Battery-less emergency distress signal and position indication broadcasting methods and devices
Abstract:
A method for transmitting a distress signal from a hand-held electronic device. The method including: generating electrical energy resulting from an impact force applied to an impact surface of the device; providing the generated power to a transmitter in the device; and transmitting the distress signal from the transmitter.
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