Patents by Inventor Lionel Quetel

Lionel Quetel 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).

  • HYBRID TELECOMMUNICATION CABLE
    Publication number: 20240045163
    Abstract: A telecommunication cable including a core with a plurality of optical fibres, an inner reinforcement radially arranged around the core, the inner reinforcement having a plurality of steel wires, an intermediate sheath arranged radially between the core and the inner reinforcement, and a protective sheath made of polymer material arranged radially around the inner reinforcement. The cable further includes at least one optical fibre sensor arranged between the core and the protective sheath.
    Type: Application
    Filed: December 20, 2021
    Publication date: February 8, 2024
    Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, I.D.I.L SAS
    Inventors: Marc-André GUTSCHER, Lionel QUETEL
  • Photo-imprinting stand for the making of Bragg gratings
    Patent number: 6043497
    Abstract: A photo-imprinting stand for the making of Bragg networks on a photosensitive waveguide or on optical fibers is used to obtain an apodization of the grating. The stand has a dynamic masking device having a variable surface with respect to the beam of UV rays during the photo-imprinting carried out by insolation of the guide using a beam of ultra-violet rays and an interferometry device. Application to the apodization of Bragg gratings.
    Type: Grant
    Filed: June 8, 1998
    Date of Patent: March 28, 2000
    Assignee: France Telecom
    Inventors: Lionel Quetel, Loic Rivoallan