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Free fall detector device and free fall detection method

  • US 7,802,476 B2
  • Filed: 01/19/2007
  • Issued: 09/28/2010
  • Est. Priority Date: 01/20/2006
  • Status: Active Grant
First Claim
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1. A free-fall detector device, comprising:

  • an inertial sensor;

    an integrated charge circuit coupled to said inertial sensor;

    a signal source, configured to supply a read signal to said inertial sensor;

    a storage element, selectively connectable to an output of said integrated charge circuit and configured to store a feedback signal generated by said integrated charge circuit in response to said read signal supplied to said inertial sensor; and

    a feedback circuit coupled to said storage element and configured to supply said feedback signal to said inertial sensor, said integrated charge circuit configured to generate at least one detection signal in response to said feedback signal supplied to said inertial sensor.

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