Patents by Inventor Laurent Seynaeve

Laurent Seynaeve 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).

  • Dual section distributed parameter delay-line
    Patent number: 4160962
    Abstract: A delay-line has two essentially identical distributed parameter delay-line sections that have series connected solenoidal coils and mutually parallel axes. The winding directions of the two coils are such that an external observer traveling along the series connected coils from one free coil-end to the other will observe a winding direction reversal in going from one section to the other. Thus a uniform unidirectional magnetic field having a component parallel to the section axes will produce induced voltages in the two coils that are of opposite polarity and no net induced voltage will appear between the free ends of the series connected coils.
    Type: Grant
    Filed: November 4, 1977
    Date of Patent: July 10, 1979
    Assignee: Sprague Electric Company
    Inventors: Andre de Keyser, Laurent Seynaeve