FIELD: calculating; counting.
SUBSTANCE: invention relates to a method of creating 2D barcode (100). Method comprises embedding primary information that can be read by 2D barcode reader in primary information pattern (110), embedding secondary information that is made difficult to reproduce without alteration in visible pattern (120), wherein said visible pattern (120) is embedded within said barcode (100) in at least one area that does not contain any primary information.
EFFECT: wider range of means for using carriers containing such codes.
28 cl, 14 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| SECURE BARCODE | 2008 |
|
RU2470361C2 |
| SIGNING DEVICE AND SIGNING METHOD | 2019 |
|
RU2787577C2 |
| DOCUMENTS PROTECTION AND AUTHENTICATION METHOD AND DEVICE | 2012 |
|
RU2606056C2 |
| METHOD AND DEVICE FOR GEOMETRIC CODE AUTHENTICATION | 2009 |
|
RU2520432C2 |
| IDENTIFICATION DOCUMENT COMPRISING TWO-DIMENSIONAL BARCODE | 2014 |
|
RU2667616C1 |
| METHOD AND SYSTEM FOR TRUSTED PAPERLESS PRESENTATION OF DOCUMENTS | 2018 |
|
RU2701088C1 |
| LABELS WITH RANDOM FEATURES, WHICH ARE RESISTANT TO FORGERY AND FALSIFICATION | 2005 |
|
RU2370377C2 |
| METHOD OF SIGNING ELECTRONIC DOCUMENTS WITH ANALOGUE-DIGITAL SIGNATURE WITH ADDITIONAL VERIFICATION | 2012 |
|
RU2522024C2 |
| MODULATION OF DISPLAY IMAGERY FOR BARCODE SIMULATION | 2015 |
|
RU2683846C2 |
| METHODS AND APPARATUS FOR ENSURING INTEGRITY AND AUTHENTICITY OF DOCUMENTS | 2007 |
|
RU2458395C2 |
