Patents by Inventor Marc Bonis

Marc Bonis 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).

  • Ultrasonic transmission-reception system
    Patent number: 5144592
    Abstract: An ultrasonic transmission-reception system having a piezoelectric transducer for at least transmitting ultrasonic waves, a current generator for exciting the transducer so that it transmits an ultrasonic wave and electronic processing means able to determine in an approximate manner and store at least one current generator exciting signal. The exciting signal being associated with a reference object and leads to a predetermined detected ultrasonic wave shape from said object following the interaction of said object with the ultrasonic wave produced by the transducer as a result of the excitation of the current generator.
    Type: Grant
    Filed: June 25, 1991
    Date of Patent: September 1, 1992
    Assignee: Commissariat a l'Energie Atomique
    Inventor: Marc Bonis
  • Remote supply circuit for analog two-wire connection
    Patent number: 4398143
    Abstract: This circuit comprises at least one power supply inserted between the earth and each of the two wires of the connection, two RC series dipoles in each case inserted between the earth and the two wires and a circuit able to fix to the earth the average potential of these wires.Application to telephony and the supply of sensors.
    Type: Grant
    Filed: July 15, 1981
    Date of Patent: August 9, 1983
    Inventor: Marc Bonis