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Inclination angle measurement apparatus

  • US 20030154792A1
  • Filed: 02/06/2003
  • Published: 08/21/2003
  • Est. Priority Date: 02/15/2002
  • Status: Active Grant
First Claim
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1. An inclination angle measurement apparatus comprising:

  • a sending/receiving means for sending a wave toward a reflective object and for receiving two waves reflected from said reflective object; and

    an inclination angle calculating means for calculating an angle of inclination of a moving object with respect to said reflective object based on a phase difference between phases of the two reflected waves.

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