Jura wins patent for LetterScreen++ solution

13/07/17

Hungarian secure identity solutions firm Jura has revealed that LetterScreen++, a new version of the ghost-image solution for passports, has now been patented.

In a press release, Jura noted that in LetterScreen, the portrait of the applicant is built up from personalized horizontal microtext lines.

Designed for for Level-1 verification of passports, a magnifier was needed to compare the text in the previous LetterScreen solution to obtain the readable personal data.

In LetterScreen++, this data can be is verified automatically by passport readers. Each LetterScreen++ image is created along a unique wave-structure, created with a special algorithm based on personal data of the document holder.

The personalized text lines fill the entire image. Slight differences in character size and thickness clearly showed the portrait.

The Jura LetterScreen++ Verification Software Module re-generates the required waves (from the personal data) and matches the waves with the waves scanned by the passport reader. If the two wave-pattern match: a green light shows that the document is authentic. The red light shows that the LetterScreen++ image has been forged or manipulated.

"We expect that the newly patented feature (US Patent No : US 9.652.814 B2, May 16, 2017) will helps us feature on more new-generation passports", says Janos Friss, the sales director of the Jura Group. He added that 11 documents are currently protected by the technology and that it expects to double this within a reasonable time.  

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