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METHOD OF PROCESSING DATA GENERATED BY A USER INPUT DEVICE FOR INDICATING POSITIONS

  • US 20100182168A1
  • Filed: 06/26/2008
  • Published: 07/22/2010
  • Est. Priority Date: 07/02/2007
  • Status: Abandoned Application
First Claim
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1. Method of processing data generated by a user input device for indicating positions, which user input device includes:

  • a transmitter arrangement (4,5) for directing wave energy across a surface (1) in at least two directions,a sensor arrangement (6,7) at a periphery of the surface (1) for detecting wave energy received across the surface within any of a plurality of fields of view, at least some of which are mutually intersecting, anda processing device (12) for determining potential positions of objects (2,3) placed on the surface (1), based on signals from the sensor arrangement (6,7) indicating intersecting at least partially blocked fields of view, which method includes;

    receiving information (19) from the processing device (12) representative of at least one set of potential positions of a plurality of objects (2,3) andintersecting the received information (19) with information (21) representing a set of pre-determined positions.

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