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Method and apparatus for collaborative annotation of a document

  • US 7,346,841 B2
  • Filed: 12/19/2000
  • Issued: 03/18/2008
  • Est. Priority Date: 12/19/2000
  • Status: Expired due to Fees
First Claim
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1. A system for permitting collaborative annotation of a hardcopy document, the system comprising:

  • a plurality of workstations each comprising a computer processor, a display, and a capture device for capturing a digital image of a hardcopy document; and

    a base computer communicating with the plurality of workstations;

    wherein the system is operative to;

    (a) identify handwritten annotations in digital images of the hardcopy document captured at each workstation;

    (b) communicate data representing the identified annotation images to each workstation to permit an annotation entered at a first workstation to the hardcopy document and an annotation entered at a second workstation to the hardcopy document to be distributed to the plurality of workstations;

    (c) use the data representing the identified annotations for display with the digital images of the hardcopy document at the plurality of workstations according to display criteria for each workstation; and

    (d) display the digital images of the hardcopy document at the workstations with one or more of the identified annotations entered at the first and second workstations;

    wherein the one or more of the annotations are selectively displayed in accordance with the display criteria for each workstation.

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