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Toru Matsui, Benedikt Ahlers, Anett Bailleu, Roland Gutmann, Frank Kappe: Certified paper discriminating apparatus. Bundesdruckerei, Darby & Darby, July 24, 2007: US07248730 (69 worldwide citation)

An apparatus configured to discriminate the genuineness of a certified paper by exposing the paper to a light source and transporting the paper through an environment of an alternating-current electromagnetic field. Light detectors detect the light reflected from the paper and the light emitted by a ...


2
Roland Gutmann, Benedikt Ahlers, Frank Kappe, Ralf Paugstadt, Arnim Franz Burgholz: Security document with optically excitable dyes for authenticity check. Bundesdruckerei, Darby & Darby, May 22, 2001: US06234537 (48 worldwide citation)

A security document with optically excitable dyes for authenticity checking. Dyes are applied to or embedded in the security documents. The dyes are advantageously embedded in a carrier material which in conjunction with the dyes forms a laser-active element. Certain optically excitable dyes are inc ...


3
DOMES JAN, REMIREZ CORONAS LUIS: METHODE DEVALUATION DE LA QUALITE DUNE IMAGE, METHODE DE PRODUCTION DUN DOCUMENT, PRODUIT PROGRAMME DORDINATEUR, INTERFACE UTILISATEUR ET DISPOSITIF ELECTRONIQUE, METHOD FOR EVALUATION OF THE QUALITY OF AN IMAGE, METHOD FOR GENERATION OF A DOCUMENT, COMPUTER PROGRAM PRODUCT, USER INTERFACE, DATA FILE, AND ELECTRONIC DEVICE. BUNDESDRUCKEREI, BUNDESDRUCKEREI, RIDOUT & MAYBEE, May 29, 2018: CA2641355 (17 worldwide citation)

The invention relates to a method for the evaluation of the quality of an image with the following steps: ¨ access to an evaluation data file (132, 134), which contains an evaluation scheme, ¨ evaluation of image analysis results by using an evaluation scheme, ¨ output of the evaluation.


4
Benedikt Ahlers, Arnim Franz Burgholz, Roland Gutmann, Wolfgang Schmidt, Frank Kappe: Value or security product with luminescent security elements and method for the production and use thereof in respect to visual and machine-operated detection of authenticity. Bundesdruckerei, The Maxham Firm, March 11, 2003: US06530527 (14 worldwide citation)

A value or security product such as a banknote, ID card or the like, is provided with luminescent security elements which are excitable in an electromagnetic alternating field. A production method of applying the required colors and substances to the value or security product is also provided. Also ...


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Toru Matsui, Benedikt Ahlers, Anett Bailleu, Roland Gutmann, Frank Kappe: Certified paper and an apparatus for discriminating the genuineness thereof. Bundesdruckerei, Darby & Darby, July 10, 2007: US07242796 (11 worldwide citation)

An apparatus for discriminating the genuineness of a security mark is provided having a first light detecting element for detecting a light emitted from a luminescent ink of the security mark placed in a specified environment and a second light detecting element for detecting a reflected light from ...


7
Oliver Muth, Helge Brockmann, Wolfgang Schmidt, Anett Bailleu, Gabriele Brauer, Manfred Paeschke, Benedikt Ahlers, Arnim Franz Burholz, Hans Zerbel: Secured documents identified with anti-stokes fluorescent compositions. Bundesdruckerei, Darby & Darby, February 3, 2004: US06686074 (11 worldwide citation)

The present invention provides a secured document including a composition capable of anti-Stokes fluorescence containing an ion capable of absorption of electromagnetic radiation, an ion capable of emitting electromagnetic radiation, and a matrix composition comprising gadolinium, yttrium, lanthanum ...


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Harald Hoeppner, Michael Radtke, Detlef Märtens, Manfred Paeschke, Jens Ehreke, Thomas Löer, Rainer Seidel, Michael Knebel: Method for the production of a book-type security document and a book-type security document. Bundesdruckerei, Kriegsman & Kriegsman, November 16, 2010: US07832771 (8 worldwide citation)

The invention relates to a method for the production of a security document in addition to a security document comprising at least one security cambric (15) and at least one transponder unit (21) which is fully encompassed by laminated layers (22,23) forming a laminated layer sheath.


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KNEBEL Michael, SEIDEL Rainer, KRÜGER Per, LÖWE Reinhard, EHREKE Jens, MOMBRÉE Alexander, BUCHHOLZ Jörg: DOCUMENT DE VALEUR ET/OU DE SÉCURITÉ ET SON PROCÉDÉ DE FABRICATION, DOCUMENT OF VALUE AND/OR SECURITY DOCUMENT AND METHOD FOR PRODUCING THE SAME, WERT- UND/ODER SICHERHEITSDOKUMENT UND VERFAHREN ZU DESSEN HERSTELLUNG. BUNDESDRUCKEREI, KNEBEL Michael, SEIDEL Rainer, KRÜGER Per, LÖWE Reinhard, EHREKE Jens, MOMBRÉE Alexander, BUCHHOLZ Jörg, BRESSEL Burkhard, March 15, 2012: WO/2012/031825 (8 worldwide citation)

Es werden ein Wert- und/oder Sicherheitsdokument sowie ein Verfahren zu dessen Herstellung geschaffen, welches gegen die Manipulation eines Sicherheitsfadens gesichert ist. Das Wert- und/oder Sicherheitsdokument umfasst ein Laminat aus wenigstens einer ersten Folie (1), wenigstens einer zweiten Foli ...


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Benedikt Ahlers, Anett Bailleu, Arnim Franz Burgholz, Oliver Muth, Manfred Paeschke, Hans Zerbel: Apparatus and method for detecting the authenticity of secured documents. Bundesdruckerei, Darby & Darby, August 15, 2006: US07092583 (7 worldwide citation)

A method and apparatus are disclosed for determining the authenticity of secured documents which include an authentication element of the type which, when excited with radiation of a specific excitation wavelength, emits radiation which can be detected by a detection unit and evaluated by an evaluat ...