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Multi-user collaborative circular graphical user interfaces

  • US 6,894,703 B2
  • Filed: 06/21/2002
  • Issued: 05/17/2005
  • Est. Priority Date: 08/29/2000
  • Status: Expired due to Fees
First Claim
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1. A multi-user collaborative graphical user interface for displaying items, comprising;

  • a transformation engine responsive to external commands received from any of a plurality of users touching displayed items to manipulate the displayed items, for generating polar coordinates for each displayed item;

    an asynchronous rendering engine for generating images of the displayed items according to the polar coordinates, in which the items are displayed as a plurality of layers, and wherein the layers include a pop-up layer, control layer, a selected image layer, a deformation grid, and a background layer; and

    a thread switching engine for controlling the rendering engine.

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