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System for recording information

  • US 7,876,960 B2
  • Filed: 10/20/2009
  • Issued: 01/25/2011
  • Est. Priority Date: 05/25/1999
  • Status: Expired due to Fees
First Claim
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1. A system for recording information from a surface comprising:

  • a base having a surface provided with a first position code coding locations of a plurality of first points and, in at least one zone, is further provided with a second position code coding locations of a plurality of second pointsa sensing device comprising an image sensor for obtaining an image of the surface and a processor configured for;

    determining whether or not the second position code is present in the image of the surface;

    determining the location of at least one of said plurality of second points by means of the second position code if the second position code is determined to be present; and

    determining, on the basis of the second position code, whether the sensing device is placed in a field on the surface of the base, wherein the field is associated with a function to be performed by the sensing device.

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