Giesecke+devrient Epayments Gmbh

Giesecke+devrient Advance52 Gmbh

Cristina Fabian

Thomas Tarantino

Klaus Kohl

Josef Riedl

Thorsten Sauer

Gunter Endres

A security feature for a data carrier, having a substrate, an encoded representation of the security feature arranged in or on the substrate, wherein a plurality of individual representations are contained in the encoded representation and wherein the plurality of individual representations are arranged in a division over a dimension of the security feature, and a decoder with a grid, wherein a grid pitch of the grid of the division corresponds to an integer multiple of the division or a halving of the division.

Security feature for a data medium, and data medium

A security feature for a value document, into which markings are introduced by at least one laser beam, includes at least one laser-sensitive recording layer which is transparent in the visible spectral range, light-diffracting or light-refracting structures arranged on a first side of the recording layer, at least one first marking which is introduced into the at least one recording layer by a laser beam from at least one direction through the light-diffracting or light-refracting structures into the at least one recording layer and is visible when viewed from the same direction from a second side, at least one second marking which is introduced into the at least one recording layer with a laser beam from the second side of the recording layer and is visible when viewed from the first and the second side.

Security feature for a value document, value document and method of producing a security feature

The invention relates to a card, in particular a chip card, including a computing unit for managing electronic coin data records, the electronic coin data records being issued by a central entity, and a card body with visible data and at least one visible feature. The central entity is at the same time the issuer or administrator of a series of banknotes and the at least one visible feature identifies the card as part of the series of banknotes to an observer. In addition, a method for producing such a card is also proposed.

Growing community of inventors

Garching, Germany

Cristina Fabian