Multifunctional keypad on touch screen

  • US 6,597,345 B2
  • Filed: 11/05/2001
  • Issued: 07/22/2003
  • Est. Priority Date: 03/03/2000
  • Status: Expired due to Term
First Claim
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1. A multifunction keypad comprising:

  • (a) a touch-sensitive surface having defined thereon a plurality of regions designated as keys; and

    (b) a processor associated with said touch-sensitive surface and configured to;

    (i) identify a contact location at which an object comes into contact with said touch-sensitive surface, (ii) determine a selected one of said keys corresponding to the one of said regions within which said contact location is located, (iii) identify a direction of motion of the object across said touch-sensitive surface relative to said contact location, and (iv) select in a manner conditional upon at least said direction of motion one of a plurality of functions associated with said selected key.

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