Patents by Inventor Xavier Leclercq

Xavier Leclercq 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).

  • Publication number: 20090049409
    Abstract: Video thumbnails in portable multimedia players are generated from the normal program content, without the need to resort to stored metadata for the thumbnails. This permits generating thumbnails consistently and accurately for video content from a variety of sources and/or giving a variety of formats.
    Type: Application
    Filed: August 15, 2007
    Publication date: February 19, 2009
    Applicant: ARCHOS SA
    Inventors: Xavier LECLERCQ, Vladimir PANTELIC
  • Patent number: 4055861
    Abstract: A support for a natural human heart valve is disclosed, said support consisting of an annular or part annular semi-rigid frame having the shape of at least a substantial portion of the periphery of said natural heart valve at the base of its cusps, the frame being completely or partly enclosed in a textile sheath, the frame and the sheath being formed of a bio-compatible material and being deformable after implantation. The frame and sheath may be flexurally deformable, and are extensible by 0.001 times to 0.3 times their length. Preferably, the frame has the same flexural elasticity as an annular bundle or 2 to 8 turns of a cylindrical bristle or poly(ethylene terephthalate) and having a circumference equal to 0.025 times the length of one turn. The frame may be formed of at least one strand of bristle. The frame and the sheath may be in the form of a portion of a convex curve.
    Type: Grant
    Filed: April 9, 1976
    Date of Patent: November 1, 1977
    Assignee: Rhone-Poulenc Industries
    Inventors: Alain Carpentier, Xavier Leclercq, Jean Paris