Patents by Inventor Gilbert Gaucher

Gilbert Gaucher 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).

  • Patent number: 4368486
    Abstract: Television system using a marking code superimposed on a picture.According to the invention, this code is constituted by a strip located in the right-hand part of the picture and formed by a periodic sequence of white and black areas constituting a clock and by a strip located in the left-hand part of the picture and formed by a sequence of white or black areas constituting the actual code. A decoder detects the presence of clock signals and compares the code received with stored codes.
    Type: Grant
    Filed: February 25, 1981
    Date of Patent: January 11, 1983
    Assignees: Etablissement Public de Diffusion dit "Telediffusion de France", L'Etat Francais, represente par le Secretaire d'Etat aux Postes et Telecommunications (Centre National d'Etudes des Telecommunications)
    Inventors: Gabriel Degoulet, Gilbert Gaucher, Christian Gauthier