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Electronically controlled rotary fluid-knob as a haptical control element

  • US 20020057152A1
  • Filed: 06/18/2001
  • Published: 05/16/2002
  • Est. Priority Date: 06/19/2000
  • Status: Abandoned Application
First Claim
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1. A control element having a rotary knob (4), having a magnetic circuit and having at least one coil (1), characterized in that the rotary knob (4) is supported so as to be rotatable with respect to at least a part of the magnetic circuit, the gap (5) between the rotary knob (4) and the magnetic circuit is filled with a magnetorheologic fluid, and the coil (1) is arranged to exert a variable braking action on the rotary knob (4).

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