Patents by Inventor Francois Nizery

Francois Nizery 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 of assembling an emissive cathode for electron gun
    Patent number: 6705915
    Abstract: A process for assembling a cathode for electron gun comprising a body of emissive material, a cup into which the body of emissive material is inserted, a substantially cylindrical metal skirt, the said process comprising the following successive steps: insertion of the cup into one of the open ends of the metal skirt, welding of the cup to the skirt, crimping of the body/cup/skirt assembly by lateral squeezing at the level of the weld zone in such a way as to cause an indent-like deformation of the lateral face of the body.
    Type: Grant
    Filed: June 18, 2002
    Date of Patent: March 16, 2004
    Assignee: Thomson Licensing S.A.
    Inventors: Jean-Luc Ricaud, Jean-Claude Pruvost, Francois Nizery, Jean Remy Adamski
  • Process for assembling a cathode-ray tube
    Publication number: 20020187712
    Abstract: Process for assembling a cathode for electron gun comprising a body (1) of emissive material, a cup (13) into which the body of emissive material is inserted, a substantially cylindrical metal skirt (2), the said process comprising the following successive steps: insertion of the cup into one of the open ends of the metal skirt; welding of the cup to the skirt; crimping of the body/cup/skirt assembly by lateral squeezing at the level of the weld zone in such a way as to cause an indent-like deformation (24) of the lateral face of the body.
    Type: Application
    Filed: June 18, 2002
    Publication date: December 12, 2002
    Inventors: Jean-Luc Ricaud, Jean-Claude Pruvost, Francois Nizery, Jean Remy Adamski