Patents by Inventor Jean Elles

Jean Elles 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).

  • Method and appparatus for detecting an electrical connection defect between a connector and a shield cable
    Patent number: 5886531
    Abstract: The invention relates to a method of detecting a shielding defect of a shielded cable mounted in a building which defines between an instrument and the shielding of the cable, a first stray capacitance; the method steps are:placing measurement apparatus in such a manner as to define a second stray capacitance between itself and the building;injecting a high frequency signal into the shielding of the cable, by means of the measurement apparatus, the signal circulating back to the apparatus via the first and second stray capacitances; andmeasuring on the core of the cable, a signal that appears by radiation due to the injection of the high frequency signal, and representative of a defect in the shielding of the cable.
    Type: Grant
    Filed: March 21, 1997
    Date of Patent: March 23, 1999
    Assignee: Jean Elles
    Inventors: Gilles Delcourt, Jean Elles