• US 20140132509A1
  • Filed: 01/17/2014
  • Published: 05/15/2014
  • Est. Priority Date: 08/19/2004
  • Status: Active Grant
First Claim
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1. A device comprising:

  • (a) an electromagnetic sensor module configured to determine a location of a user input actuator at a virtual input location;

    (b) a camera configured to detect motion at the virtual input location; and

    (c) a controller coupled to the electromagnetic sensor and the camera, wherein the camera is configured to determine whether a portion of the user input actuator is within the virtual input location in a space defining a virtual input.

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