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Miniaturized inclinometer for angle measurement with accurate measurement indicator

  • US 6,871,413 B1
  • Filed: 12/15/1997
  • Issued: 03/29/2005
  • Est. Priority Date: 12/15/1997
  • Status: Expired due to Fees
First Claim
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1. A measuring device comprising a sensor, a microprocessor, and an output device, said sensor for providing a measurement to said microprocessor for calculating an angle with respect to the direction of the gravity vector, wherein said microprocessor provides a signal comprising said calculated angle and a self-testing output signal, wherein said self-testing output signal is directed to said output device for indicating whether said sensor measurement is substantially affected by an inertial error, wherein said self-testing output signal indicating inertial error is not combined with said calculated angle signal to provide a corrected calculated angle.

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