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LOW INERTIA FRAME FOR DETECTING CORIOLIS ACCELERATION

  • US 20100064805A1
  • Filed: 09/12/2008
  • Published: 03/18/2010
  • Est. Priority Date: 09/12/2008
  • Status: Active Grant
First Claim
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1. A sensing frame that moves in response to torque generated by the Coriolis acceleration on a drive subsystem, the sensing frame comprising:

  • a base;

    a first rail;

    constrained to move along the first axis parallel to the base;

    a second rail substantially parallel to said first rail;

    said second rail constrained to move along the first axis;

    at least two guiding arms ensuring the first rail and the second rail to move in anti-phase fashion along the first axis;

    a first guiding arm flexibly coupled to the first rail and flexibly coupled to the second rail;

    a second guiding arm flexibly coupled to the first rail and flexibly coupled to the second rail;

    the first guiding arm flexibly suspended to the base at a first anchoring point allowing rotation of the first guiding arm around the second axis that is perpendicular to the first axis and normal to the plane;

    the second guiding arm suspended to the base at a second anchoring point allowing rotation of the second guiding arm around the third axis parallel to the second axis;

    plurality of coupling flexures connecting said sensing frame to the drive subsystem; and

    a transducer for sensing motion of rails responsive to said angular velocity.

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