== License == 

 I have changed the chapter about the license to a more objective one. I have visited the Denso Wave Website, which seems to have been updated with a more clearer statement about that the QR Code is licens free. 

 Of course, the ISO organsisation is taking money to sell the specifications information, but the pure use (generating or reading) does not produce any further cost for licensing.  

 In the fact, the japaneese web site is stating that QR Code is public domain (but who can read japaneese). I am missing that phrase in the english translation, this would make this point much more clear...