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SHOCK-ABSORBING DEVICE FOR HUMAN BODY

  • US 20130326800A1
  • Filed: 02/22/2012
  • Published: 12/12/2013
  • Est. Priority Date: 02/23/2011
  • Status: Active Grant
First Claim
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1. A shock-absorbing device for a human body, comprising:

  • an airbag configured to surround a hip, knee, head, neck, or wrist of the human body;

    a compressed gas cartridge connected to the airbag and configured to store a gas to be injected into the airbag;

    a compressed gas cartridge opener connected to the compressed gas cartridge and configured to eject the gas from the compressed gas cartridge;

    a foot sensor placed at a foot of the human body and configured to sense and store a mass center of the human body;

    an acceleration sensor configured to sense a motion of the human body;

    a fall detection sensor connected to the foot sensor and the acceleration sensor and configured to determine whether or not the human body is falling based on detection signals received from the foot sensor and the acceleration sensor, respectively; and

    a control unit configured to control opening of the compressed gas cartridge opener in response to a signal received from the fall detection sensor, wherein when the mass center detected by the foot sensor deviates from a sensing area, the fall detection sensor sends a fall signal to the control unit.

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