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Commonplace object with a surface that comprises a data track

  • US 7,048,189 B2
  • Filed: 09/30/2002
  • Issued: 05/23/2006
  • Est. Priority Date: 10/05/2001
  • Status: Expired due to Fees
First Claim
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1. A commonplace objectwith an outer surface that encircles the commonplace object andwith at least one cylindrical section of the surface,a data bit sequence being written along at lease one track on the cylindrical section, whereinat least the cylindrical section of the surface consists of a material which can be changed optically, and whereinthe track extends over more than one circumference of the cylindrical section, and in that the track is designed in the form of a helix.

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