Decoder and encoder for a digital fingerprint code
A method to encode and decode a digital fingerprint code by an identification encoder and an identification decoder wherein the digital fingerprint code includes a plurality of N-bit data embedded on a set of curves by changed thicknesses in the curves.
1. A decorative workpiece comprising:
an inkjet printed wood pattern including an identification code to track-and-trace the decorative workpiece; wherein
the identification code is invisible with a human eye at a viewing distance larger than 20 centimeters, and
wherein the decorative workpiece includes a thermosetting resin and wood based core layer.
2. The decorative workpiece according to claim 1 , wherein the thermosetting resin is a melamine based resin.
3. The decorative workpiece according to claim 2 , wherein the inkjet printed identification code includes a plurality of N-bit data that represent content.
4. The decorative workpiece according to claim 2 , wherein the decorative workpiece is a direct pressure laminate, compact laminate, or high-pressure laminate.
5. The decorative workpiece according to claim 2 , wherein the decorative workpiece includes a glueless tongue and groove joint.
6. The decorative workpiece according to claim 5 , wherein the content includes at least one or a date that the decorative workpiece was produced and a serial number of the decorative workpiece.
7. The decorative workpiece according to claim 5 , wherein the plurality of N-bit data includes an error-correcting code.
8. The decorative workpiece according to claim 5 , further comprising a protective layer including hard particles in an amount between 1 g/m 2 and 100 g/m 2 .
9. The decorative workpiece according to claim 1 , wherein the decorative workpiece is selected from the group consisting of kitchen panels, flooring panels, furniture panels, ceiling panels, and wall panels.
10. The decorative workpiece according to claim 1 , wherein the wood pattern includes one or more aqueous inkjet inks on a paper substrate.
11. The decorative workpiece according to claim 1 , wherein the identification code is invisible with a human eye at a viewing distance larger than 50 millimeters.
12. A track-and-tracing method for the decorative workpiece according to claim 1 , the method comprising:
decoding the identification code printed on the decorative workpiece.
13. A decorative workpiece comprising:
an inkjet printed wood pattern including an identification code to track-and-trace the decorative workpiece; wherein
the identification code is invisible with the human eye and secret, and
wherein the decorative workpiece includes a thermosetting resin and wood based core layer.
14. A track-and-tracing method for the decorative workpiece according to claim 13 , the method comprising:
decoding the identification code printed on the decorative workpiece.
15. The decorative workpiece according to claim 13 , wherein the thermosetting resin is a melamine based resin.
16. The decorative workpiece according to claim 15 , wherein the decorative workpiece includes a glueless tongue and groove joint.
17. The decorative workpiece according to claim 16 , wherein the content includes at least one or a date that the decorative workpiece was produced and a serial number of the decorative workpiece.
18. The decorative workpiece according to claim 15 , wherein the inkjet printed identification code includes a plurality of N-bit data that represent content.
19. The decorative workpiece according to claim 13 , wherein the decorative workpiece is selected from the group consisting of kitchen panels, flooring panels, furniture panels, ceiling panels, and wall panels.
20. The decorative workpiece according to claim 13 , wherein the wood pattern includes one or more aqueous inkjet inks on a paper substrate.