Patents by Inventor Aleksandr Pozdejev

Aleksandr Pozdejev has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • METHOD FOR CONTACT COPYING OF HOLOGRAMS AND HOLOGRAPHIC PRINTS
    Publication number: 20100315608
    Abstract: The invention relates to holography and is devoted for hologram copying and Denysiuk type hologram manufacture. The method comprises steps, wherein non-exposed photomaterial (1) is placed in parallel to the master hologram plane (3) and is illuminated with slit-shaped coherent radiation producing an illumination zone (5) which is parallel to the projection of the coherent radiation falling direction (6) onto the master hologram plane, said zone is moving on the non-exposed photo material and master hologram surfaces in direction (10) perpendicular to said projection.
    Type: Application
    Filed: September 2, 2008
    Publication date: December 16, 2010
    Inventors: Stanislovas Zacharovas, Ramunas Bakanas, Aleksandr Pozdejev, Andrej Nikolskij, Evgenij Kucin, Giedrius Gudaitis