Patents by Inventor Pierre Merlet

Pierre Merlet 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).

  • Installation for checking a repeater of a transmission route
    Patent number: 3959606
    Abstract: The invention comes within the branch of the checking of repeaters formed by two semi-repeaters placed in units spaced out along a transmission network having multiple quads and comprising nodal derivation points for derivating a cable section into several cable sections. It concerns the checking of a predetermined repeater by looping the output of one of its semi-repeaters to the input of the other semi-repeater, by means of a relay logic circuit. The installation comprises means to choose the order number of a derivation, at each nodal point on the network.
    Type: Grant
    Filed: October 4, 1974
    Date of Patent: May 25, 1976
    Assignee: Compagnie Industrielle des Telecommunications Cit-Alcatel
    Inventors: Pierre Merlet, Jacques Vernezy, Jean-Claude Barigot