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Three and four degree of freedom hand controllers

  • US 4,913,000 A
  • Filed: 04/13/1988
  • Issued: 04/03/1990
  • Est. Priority Date: 04/13/1988
  • Status: Expired due to Term
First Claim
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1. Apparatus for use with a wrist motion hand controller comprising:

  • stationary means;

    arm support means fixedly connected to the hand controller and mounted for movement with respect to the stationary means; and

    relative movement responsive means connected to the stationary means and to the arm support means to produce an output indicative of movement between the arm support means and the stationary means.

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