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Inertia measurement module for unmanned aircraft

  • US 9,772,343 B2
  • Filed: 09/15/2011
  • Issued: 09/26/2017
  • Est. Priority Date: 09/02/2011
  • Status: Active Grant
First Claim
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1. An inertia measurement module for an unmanned aircraft, comprising:

  • a sensing assembly comprising;

    a first circuit board;

    a second circuit board comprising at least one inertia sensor; and

    a flexible signal line that connects the first circuit board to the second circuit board;

    a weight block comprising a first surface and a second surface opposite the first surface, wherein a recess is (1) formed only on the second surface, and (2) configured to support the second circuit board that is embedded in the recess;

    a first vibration-attenuation cushion and a second vibration-attenuation cushion arranged on opposite sides of the weight block, wherein the first vibration-attenuation cushion is provided as a sheet extending between the first surface of the weight block and the first circuit board, and wherein the second vibration-attenuation cushion abuts against the second circuit board via an adhesive layer; and

    a housing assembly comprising a chamber configured to support the sensing assembly, the weight block, and the first vibration-attenuation cushion and second vibration-attenuation cushion therein.

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