Patents by Inventor Jean Goupil

Jean Goupil 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 for remotely interrogating tags, and station and tag implementing said method
    Patent number: 6177858
    Abstract: A method is provided for remotely identifying electronic or radio frequency tags, typically those used to mark articles, from a station, each of the tags having its own code constituted by digits, in which identification of a tag comprises the steps of issuing interrogation signals from the station for different digit positions and employing procedures to accelerate tag identification once a first tag has been found. A suitable station and tag are also provided.
    Type: Grant
    Filed: November 27, 1996
    Date of Patent: January 23, 2001
    Inventors: Pierre Raimbault, Jean Goupil
  • Phase control method for electronic tags and station and tag implementing said method
    Patent number: 5923251
    Abstract: An electronic tag and a method for remote interrogation of electronic tags from a station are provided in which, in reply to polling signals sent from a station, tags send responses which may interfere, the method comprising a step in which the tags are brought into phase before sending their responses.
    Type: Grant
    Filed: November 27, 1996
    Date of Patent: July 13, 1999
    Assignee: Pierre Raimbault
    Inventors: Pierre Raimbault, Jean Goupil
  • Power and modulation circuit for a remotely-pollable electronic tag
    Patent number: 5808550
    Abstract: A power and modulation circuit, notably for a passive remotely-pollable electronic tag is provided, the circuit having a coil for picking up an inductive field and modulating it, circuitry being provided whereby circuits of the tag can be continuously powered while the inductive field is being modulated.
    Type: Grant
    Filed: November 27, 1996
    Date of Patent: September 15, 1998
    Assignee: Pierre Raimbault
    Inventors: Pierre Raimbault, Jean Goupil, Aderito Rodrigue