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X-Y navigation input device

  • US 6,677,927 B1
  • Filed: 08/23/1999
  • Issued: 01/13/2004
  • Est. Priority Date: 08/23/1999
  • Status: Expired due to Term
First Claim
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1. A navigation input device for navigating a graphical display, the input device comprising:

  • a circular sensing window having a perimeter;

    an X-Y navigation touch sensor, which is sensitive to location of a user'"'"'s digit within the circular sensing window relative to the perimeter; and

    an annular scrolling dial, which is coaxial with the circular sensing window and rotatable about a center of the sensing window.

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