User interface with multiple workspaces for sharing display system objects

  • US 5,394,521 A
  • Filed: 05/06/1993
  • Issued: 02/28/1995
  • Est. Priority Date: 12/09/1991
  • Status: Expired due to Term
First Claim
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1. An article of manufacture for use in a system that includes a display;

  • a processor for controlling the display; and

    display object data the processor can use to generate first and second display objects the processor can present on the display;

    the article comprising;

    memory that can be accessed by the processor; and

    data stored in the memory;

    the data comprising;

    first and second workspace data structures relating respectively to first and second workspaces that the processor can present on the display;

    each of the first and second workspaces including a respective set of display objects;

    each of the display objects being perceptible as a distinct, coherent set of display features;

    the display objects of each respective set being perceptible as having spatial positions relative to each other when the respective workspace is presented on the display; and

    first and second linking data structures;

    the first linking data structure linking the first workspace data structure and the display object data so that the processor presents the first display object in the first workspace'"'"'s set of display objects;

    the second linking data structure linking the second workspace data structure and the display object data so that the processor presents the second display object in the second workspace'"'"'s set of display objects;

    the first and second display objects being perceptible as the same tool.

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