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Battery-less emergency distress signal and position indication broadcasting methods and devices

  • US 20090224908A1
  • Filed: 03/10/2008
  • Published: 09/10/2009
  • Est. Priority Date: 03/10/2008
  • Status: Active Grant
First Claim
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1. A device for transmitting a distress signal, the device comprising:

  • an impact surface;

    a power supply for generating electrical energy resulting from an impact force applied to the impact surface; and

    a transmitter powered by the power supply for transmitter the distress signal.

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