Patents by Inventor Pedro Eugenio Cosma

Pedro Eugenio Cosma 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).

  • Cathode-ray tube having a multifunction frame/mask support
    Patent number: 6717344
    Abstract: A cathode-ray tube comprises a color-selection frame/mask assembly, the mask being held under tension by being welded onto the ends of the long sides of the frame, the frame/mask assembly being suspended within the tube with the aid of supports capable of serving to augment the mechanical rigidity of the sides onto which these supports are welded and to cause the long sides of the frame to approach closer to each other during the phases of manufacture at high temperature.
    Type: Grant
    Filed: July 14, 2000
    Date of Patent: April 6, 2004
    Assignee: Videocolor S.p.A.
    Inventors: Pedro Eugenio Cosma, Carlo Tulli
  • CRT having a tension mask with reinforcing support means
    Patent number: 6650038
    Abstract: Cathode-ray tube (1) comprising a frame/mask assembly for selecting colors having a mask (8) and a frame (19), the mask being held under tension by being attached to ends of long sides (9) of the frame, the frame/mask assembly being suspended inside the tube using support means (10) which are able to increase the mechanical rigidity of the frame by support means having longitudinal dimples (40) which cause the long sides of the frame to come together during the high-temperature manufacturing phases.
    Type: Grant
    Filed: June 10, 2002
    Date of Patent: November 18, 2003
    Inventors: Carlo Tulli, Paolo Ginesti, Pedro Eugenio Cosma, Alessio Masi