Barcode encyclopedia : Symbology huecode
- Developed by the Robot Design Associates.
- Contain more cells, each cell contain more than one bit of information.
- Not only black or white print, use more shadow (hue) between this color.
- Information density : 40.000 bytes per square inch,if you use color printer.
More info: US parents
| pat. no. 5,369,261 | |
| pat. no. 5,118,369 |
