Patents by Inventor Christine Farvet

Christine Farvet 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).

  • Electron gun provided with a device producing a magnetic field in the neighborhood of a cathode
    Patent number: 5109179
    Abstract: This disclosure concerns electron guns comprising several electrodes, including a cathode. The gun has a device producing a magnetic field, adjustable if necessary, in the vicinity of the cathode. This device works together with one of the electrodes other than the cathode. It cooperates notably with the anode or the wehnelt. This device is either a solenoid or one or more permanent magnets. This device is placed either inside or outside the gun. It can be applied to high-power, "O" type electron tubes.
    Type: Grant
    Filed: January 12, 1990
    Date of Patent: April 28, 1992
    Assignee: Thomson Tubes Electroniques
    Inventors: Georges Faillon, Christophe Bastien, Christine Farvet