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Position servo systems

  • US 6,066,067 A
  • Filed: 05/19/1998
  • Issued: 05/23/2000
  • Est. Priority Date: 11/20/1995
  • Status: Expired due to Fees
First Claim
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1. A position servo system comprising:

  • a driven mechanism (4);

    a first rotary actuating member (1,

         3) by which an operative control is applied to the driven mechanism (4);

    a continuously-variable-ratio transmission having a roller assembly; and

    means responsive to an error (34) (20, 37, 51,

         2) between a position of the driven mechanism (4) and the first rotary actuating member (1,

         3) for varying a position of at least one roller thereby to create a power output from the continuously-variable-ratio transmission to apply torque to the driven mechanism to diminish the error.

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