VER-TEC SECURITY SYSTEMS LIMITED Patent applications |
Patent application number | Title | Published |
20100195175 | Security Holograms - We describe methods of recording a holographic image onto holographic recording film, film bearing recorded holographic images, and apparatus for recording a holographic image onto film, in particular for security holograms. We thus describe a method of recording a holographic image onto holographic recording film ( | 08-05-2010 |
20090153926 | Hologram Imaging Techniques And Holograms - This invention relates to improved techniques for reading holograms, in particular volume reflection holograms, and to improved security documents incorporating volume reflection holograms. | 06-18-2009 |