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Actuator having electronically controllable tactile responsiveness

  • US 5,414,337 A
  • Filed: 06/11/1993
  • Issued: 05/09/1995
  • Est. Priority Date: 10/24/1991
  • Status: Expired due to Term
First Claim
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1. An actuator having tactile feedback capabilities, comprising:

  • an actuatable member for receiving a tactile feedback;

    a servo motor having said actuatable member attached thereto;

    a position encoder in communication with said servo motor, said encoder having an index representing a reference position of said servo motor and said encoder providing position information of said servo motor relative to said reference position;

    a controller receiving said position information from said encoder;

    a store of force-position relation information accessible to said controller, said controller outputting at least one force value corresponding to said position information in accordance with said store of force-position relation information; and

    a drive signal source generating a drive signal to said servo motor in accordance with said at least one force value, said drive signal causing a force in said servo motor, said force providing said tactile feedback to said actuatable member.

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