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Electronic inclination gauge with acceleration compensation

  • US 4,531,300 A
  • Filed: 05/07/1984
  • Issued: 07/30/1985
  • Est. Priority Date: 05/07/1984
  • Status: Expired due to Fees
First Claim
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1. Electronic inclination gauge for use in a moving vehicle subject to an acceleration, comprising:

  • a tilt sensitive transducer for providing an output corresponding to said acceleration and to the angle and direction of said transducer along a reference axis with respect to a gravitational field,a velocity sensor driven by said vehicle for providing an output signal corresponding to a velocity component of said vehicle along said reference axis,means coupled to receive said velocity output for deriving a signal representative of a component of said acceleration along said reference axis,means for algebraically combining said acceleration signal component and said transducer output to provide a signal representative of the inclination of said reference axis with respect to said gravitational field, independent of said component of acceleration, andmeans responsive to said combined signal to provide an output indicative of said inclination.

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