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  • US 20020124115A1
  • Filed: 11/13/2001
  • Published: 09/05/2002
  • Est. Priority Date: 11/13/2000
  • Status: Abandoned Application
First Claim
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1. Data processing apparatus for processing data objects and comprising:

  • a set of processing elements operable to perform respective processing tasks;

    an operating environment receiving the processing elements in co-operable relationship;

    a first channel defined by the operating environment and operatively connecting the processing elements in a sequence for communicating the data objects between successive processing elements in an order defined by the sequence;

    a second channel defined by the operating environment for communicating a user interface control object between successive processing elements in the sequence;

    and a user interface controller responsive to the user interface control object when output from a last processing element in the sequence to generate control data for controlling a user interface in use to present information to the user for controlling the processing elements.

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