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Three axis joystick control

  • US 4,046,005 A
  • Filed: 06/14/1976
  • Issued: 09/06/1977
  • Est. Priority Date: 06/14/1976
  • Status: Expired due to Term
First Claim
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1. A force operated, or "stiff-stick" control device which comprises:

  • an elongated control rod;

    two pairs of elongated strain gauges mounted on the surface of said control rod, the longitudinal axis of each of said strain gauges being disposed at an acute angle to the longitudinal axis of said control rod, the gauges of each pair being on diametrically opposite sides of said rod, the diameters passing through the pairs being perpendicular to one another, and the angles of slope of the gauges of each pair being in the same direction; and

    means for connecting each of said strain gauges to electric circuit means to provide signals in response to both lateral and torsional flexing of said rod.

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