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Actuator with motor and feedback driven by a common power supply

  • US 5,389,864 A
  • Filed: 03/29/1993
  • Issued: 02/14/1995
  • Est. Priority Date: 03/29/1993
  • Status: Expired due to Term
First Claim
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1. In an actuator system of the type having a motor with first and second electrical terminals and an output shaft driven by the motor, a potentiometer actuated by the output shaft and having first and second power terminals and a feedback terminal, a common power supply for the motor and the potentiometer, and control means connected to the power supply and the motor and the potentiometer terminals for controlling the power applied thereto so as to alternately move the output shaft and read a signal on the feedback terminal without moving the output shaft.

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