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FERROMAGNETIC USER INTERFACES

  • US 20100302199A1
  • Filed: 05/26/2009
  • Published: 12/02/2010
  • Est. Priority Date: 05/26/2009
  • Status: Active Grant
First Claim
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1. A user interface device, comprising:

  • a plurality of sensors;

    a processor;

    an interface circuit connected to the sensors and arranged to provide electrical signals from each of the sensors to the processor; and

    a user-touchable portion comprising a movable ferromagnetic material positioned relative to the plurality of sensors such that movement of the ferromagnetic material by a user causes a change in the electrical signals from at least one of the sensors,wherein the processor is arranged to analyze the electrical signals from each of the sensors and determine the location of the movement on the user-touchable portion.

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