Patent · US Expired

Method and apparatus for encoding data in logos

US6691922B2 · kind B2 · utility

94Cited by
14References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 27, 2001
Grant dateFeb 17, 2004
Priority date
Expiry dateDec 27, 2021

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06K19/06046
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A machine readable symbology suitable for inclusion into larger symbols or markings with a minimum of visibility. The symbology data set has a majority of one color enabling data to be embedded within symbols that are of the same color. The most used characters of the data set have the highest proportion of the selected masking color.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.