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Orientation-based wireless sensing apparatus

  • US 8,244,411 B2
  • Filed: 05/27/2008
  • Issued: 08/14/2012
  • Est. Priority Date: 05/27/2008
  • Status: Active Grant
First Claim
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1. An orientation-based wireless sensing apparatus, comprising:

  • a body formed of material invisible to RF transmissions and mounted on a component desired to be monitored for its orientation relative to earth'"'"'s gravitational pull (the direction of gravity);

    an accelerometer within the body for measuring relative to at least a first axis of the direction of gravity;

    a microprocessor within the body and connected to the accelerometer;

    a transmitter within the body and connected to the microprocessor;

    a power source within the body and connected to the accelerometer, microprocessor and transmitter; and

    an antenna mounted within the body and connected to the transmitter.

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