Patents by Inventor Christophe Mathey

Christophe Mathey 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 beam deflection system for a cathode ray tube
    Patent number: 5818159
    Abstract: A deflection yoke for a cathode-ray tube, includes a pair of vertical deflection coils, a pair of horizontal deflection coils and a rigid separator insulating the pairs of deflection coils from each other. The separator has on its surface an arrangement for positioning and holding in place front and rear parts of saddle-shaped deflection coils. The arrangement forms an integral part of a body of the separator and is produced when molding the body.
    Type: Grant
    Filed: February 26, 1997
    Date of Patent: October 6, 1998
    Assignee: Thomson Tubes and Displays, S.A.
    Inventors: Alain Dossot, Christophe Mathey, Alain Vougny
  • Auxiliary coil fastener in a deflection yoke
    Patent number: 5592045
    Abstract: A yoke separator or liner includes a body having a conical shape and a ring shaped retraining member that is attachable to a rear portion of the body by four pairs of pawls and studs. A beam s velocity modulation coil is installed on a support member made of flexible material using a printed circuit technique. The studs are inserted in orifices formed in the support member. The pawls snap onto the studs and press against the support member in a manner to secure the modulation coil.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: January 7, 1997
    Assignee: Thomson Tubes & Displays, S.A.
    Inventors: Alain Dossot, Christophe Mathey, Alain Vougny