Sustav bar kodova nevidljivih za naše oči, čitljivi u infracrvenom spektru

Ivana Žiljak Stanimirović

Dizajn ambalaže grafičkog proizvoda nosi kodirane informacije o sadržaju, porijeklu, upute o korištenje te vrijednosti proizvoda. Bar kod čitaći rade na nekoliko načina. Uglavnom na 720 nanometara, u spektru gdje se razlučuju svojstva bojila karbon crne od nekromatskih tiskarskih procesnih bojila. Takav bar kod je vidljiv ljudskom oku. Razvijen je sustav tiska Barkoda koji koristi sve procesne boje ali izdvaja njegovo grafičko rješenje na 1000 nm. Takav zapis Barkoda nije vidljiv ljudskom oku. Vizualni dizajn je slobodan, neopterećen s nametnutom grafikom linija i kvadratića koji sa samim proizvodom nemaju nikakove veze. Isti Barcod može se nalaziti na nekoliko mjesta na stranici ambalaže u svrhu sigurnosne verifikacija. Napravljen je uređaj koji prepoznaje Z1000 Barkod u IRD tehnologiji.

A bar-code system invisible to the eye, but readable in the infrared specter

Ivana Žiljak Stanimirović

The design of a graphic product wrapping material contains encoded information on the contents, origin, instructions on use, and the product value. Bar-code readers work in several ways. Basically they work at 720 nanometers, in the specter where the color characteristics of carbon black ink are distinguished in comparison to non-chromatic printing process dyes. Such a bar-code is visible to the human eye. A system of bar-code printing has been developed that uses all process printing dyes, but the graphic design can be detected at 1000 nm. Such a bar-code record is not visible to the human eyes. The visual design is random, and it is not burdened with obligatory graphic lines and squares that do not have any connection with the product itself. The same bar-code can be found in several places on the wrapping material for security verification. A device has been made that recognizes Z1000 Bar-code in the IRD technology.

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