Security feature with a colour progression structure for a value product and/or security product, and value product and/or security document having the security feature
作者： Arthur Mathea , Franziska Peinze
DOI:
关键词:
摘要: The present invention relates to a novel security feature 100 for value product and/or 400, which is formed by pattern 300 made on at least one carrier surface 210, the having colour progression structure from elements 310 that are means of digital printing process and arranged in grid. According invention, produced two luminescent with spectrally different luminescence. 400 according has or more carriers 200 carrier(s) 200.
lens.org 参考文章(26)
John W. Nestor, Jack T. Richardson, William C. Rice, Audrey G. Demers, Substrate with non-visible indicium ,(1998)
Lucien H Vautrain, Darrel W Hughes, Plural stages of sulfur removal ,(1967)
Trevor Merry, David N.C. Cruikshank, Laurence Marie-Francoise Suzzarini, Security document with ultraviolet authentication security feature ,(2006)
Roger D. Hersch, Victor Ostromoukhov, Method and apparatus for generating digital halftone images by multi color dithering ,(2000)
Roger David Hersch, Philip Donze, Sylvain Chosson, Printing color images visible under UV light on security documents and valuable articles ,(2007)
Matthew Charles Sugdon, Anita Marie Barthram, Security device and its production method ,(2003)
Roger David Hersch, Romain Rossier, Synthesis of authenticable luminescent color halftone images ,(2010)
Edward Springmann, Oliver Muth, Manfred Paeschke, Securing of Documents by Means of Digital Watermark Information ,(2008)
William J. Coyle, John C. Smith, Methods and ink compositions for invisibly printed security images having multiple authentication features ,(2004)
Richard P. Howarth, Douglas B. Satzger, Rico Zorkendorfer, Eugene Anthony Whang, Daniele De Iuliis, Calvin Q. Seid, Shin Nishibori, Christopher J. Stringer, Daniel J. Coster, Jonathan P. Ive, Matthew Dean Rohrbach, Duncan Robert Kerr, Bartley K. Andre, David Morgenstern, Paul C.L. Chow, Invisible, light-transmissive display system ,(2006)