Sensor arrangement for use with a touch sensor

  • US 9,626,032 B2
  • Filed: 07/30/2007
  • Issued: 04/18/2017
  • Est. Priority Date: 01/26/1998
  • Status: Active Grant
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First Claim
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1. A method for selecting a state of a computing system including a touch sensing surface, the method comprising:

  • detecting a set of plurality of contacts touched down on or near the surface;

    detecting a liftoff of a first subset of one or more contacts of the set, wherein a second subset of one or more contacts of the set remains touched down;

    determining a motion of the first subset, prior to the liftoff, from a first position on the surface to a second position on the surface;

    selecting, while the first subset remains lifted off from the surface after the liftoff, one of a plurality of post-liftoff states, wherein the selection is determined by first information including the motion of the first subset, prior to the liftoff, from the first position on the surface to the second position on the surface; and

    the selection occurs while the second subset remains touched down.

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