×

Method And Apparatus For Encoding Substrates With Information

  • US 20070110296A1
  • Filed: 05/22/2006
  • Published: 05/17/2007
  • Est. Priority Date: 11/10/1999
  • Status: Active Grant
First Claim
Patent Images

1. A paper-making method including:

  • defining a two-dimensional signal that encodes plural bits of data;

    defining a frequency-domain signal;

    inverse transforming the frequency-domain signal to yield a pattern in the spatial domain; and

    shaping an element utilized in the paper-making method in accordance with said spatial domain pattern; and

    shaping the element of the paper-making method in accordance with a pattern corresponding to said signal.

View all claims
  • 8 Assignments
Timeline View
Assignment View
    ×
    ×