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ONLINE GRAPHICAL MESSAGE SERVICE

  • US 20090024935A1
  • Filed: 09/17/2008
  • Published: 01/22/2009
  • Est. Priority Date: 06/30/1999
  • Status: Active Grant
First Claim
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1. A method for providing an electronic information service in a computer system connected to a network, the method comprising:

  • creating a first information object comprising at least part of a virtual whiteboard into which a plurality of users can write information and from which the plurality of users can read information;

    transmitting the first information object via the network to a first user included in the plurality of the users;

    receiving a second information object from the first user including a modification of at least part of the virtual whiteboard, said second information object comprising position information obtained from a printed position-coding pattern, said position-coding pattern having sufficient resolution to define strokes of a drawing device when the drawing device is moved over the position-coding pattern; and

    updating the virtual whiteboard utilizing the second information object, wherein the position information obtained from the position-coding pattern is used to provide a graphical image which is created by moving the drawing device over the position-coding pattern.

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