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System for determining the position of movable machine parts

  • US 5,058,145 A
  • Filed: 05/08/1989
  • Issued: 10/15/1991
  • Est. Priority Date: 05/06/1988
  • Status: Expired due to Fees
First Claim
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1. System for determining the position of movable machine parts, including an incremental pulse generator for generating two concurrent trains of angular-speed pulses shifted 90°

  • out of phase with one another and a pulse per revolution, comprising a computer, and at least one counting circuit via which the incremental pulse generator is connected to said computer for counting the generated angular-speed pulses, including a comparator having respective inputs connected to an output of said counting circuit for receiving a count signal therefrom, and to an output of said computer for receiving a given value signal therefrom, said comparator having an output connected to another input of said computer for feeding a program-interrupt signal thereto.

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