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Communication system with interchangeable overlays

  • US 6,661,407 B2
  • Filed: 03/19/2001
  • Issued: 12/09/2003
  • Est. Priority Date: 03/19/2001
  • Status: Active Grant
First Claim
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1. A communication system with interchangeable overlays, comprising:

  • a communication unit having a touch pad;

    an overlay positionable within said communication unit over said touch pad, wherein said overlay includes at least one element; and

    a control unit attached to said overlay that is capable of communicating with said communication unit, wherein said control unit includes data associated with said at least one element.

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