Methods and systems for encoding and decoding a 2D symbol is disclosed. According to one aspect of the 2D symbol, the following characteristics are realized: 1) variable symbol widths and height; 2) variable print resolution, 3) multiple damage protection levels; 4) large information storage; 5) high...http://www.google.es/patents/US7028911?utm_source=gb-gplus-sharePatente US7028911 - Methods and systems for encoding and decoding data in 2D symbology
Methods and systems for encoding and decoding data in 2D symbology
