Patents by Inventor Roger Murat

Roger Murat 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).

  • Printing devices or heads for printers or the like and a process for making such a printing head
    Patent number: 4049107
    Abstract: The invention concerns a printing device or head for a printer or the like nd to a process of making same. The device comprises a plurality of needles each having an electro-magnet and a metal plate associated therewith, a selected needle being displaceable against an information support upon energization of the associated electro-magnet. The electro-magnets are supported in a base. In accordance with the invention each electro-magnet includes a U-shaped magnetic circuit, the base including housings for magnetic circuits. A surrounding, insulating material is disposed between the arms of the magnetic circuit and around the windings of the electro-magnets.
    Type: Grant
    Filed: October 3, 1975
    Date of Patent: September 20, 1977
    Assignee: Societe d'Applications Generales d'Electricite et de Mecanique SAGEM
    Inventor: Roger Murat
  • Printing device
    Patent number: 4031992
    Abstract: A printing device, for example of the needle impact type, is equipped with lectrical means controlling the operation of the needles to produce alternative forms of printed data, for example letters of different degrees of inclination.
    Type: Grant
    Filed: November 11, 1975
    Date of Patent: June 28, 1977
    Assignee: Societe d'Applications Generales d'Electricite et de Mecanique S A G E M
    Inventors: Roger Murat, Guy Glay