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Handheld scanner

  • US 8,090,224 B2
  • Filed: 07/24/2008
  • Issued: 01/03/2012
  • Est. Priority Date: 08/01/2007
  • Status: Expired due to Fees
First Claim
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1. A swipe scanner comprising:

  • a printhead for printing a position-coding pattern onto a surface;

    an ink supply containing an ink for printing the position-coding pattern;

    at least one first image sensor positioned for imaging portions of said surface on which said printhead has printed during a swipe of the surface, each imaged portion containing part of the position-coding pattern printed by said printhead during said swipe;

    at least one second image sensor for capturing, during said swipe, portions of a graphic image pre-printed on said surface; and

    a processor configured for;

    determining absolute positions of the swipe scanner using said parts of the position-coding pattern;

    using the absolute positions to control an output of said printhead during said swipe; and

    using the absolute positions to assemble said captured portions of said graphic image into a scanned graphic image.

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