Patents by Inventor Thierry Pradal

Thierry Pradal 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 characterizing the structure of a medium and device for carrying out the method
    Patent number: 4619267
    Abstract: The invention relates to a method for characterizing the structure of a medium in which the ultrasonic absorption coefficient of the medium is measured. In order to perform a spectral analysis of this absorption, the spectrum of the signal reflected after it has been transmitted is evaluated by means of an autocorrelation method. Application: medical practice.
    Type: Grant
    Filed: December 14, 1984
    Date of Patent: October 28, 1986
    Assignee: CGR Ultrasonic
    Inventors: Olivier Lannuzel, Thierry Pradal
  • Method for measuring the flow parameters of a fluid and device utilizing the method
    Patent number: 4583409
    Abstract: The invention relates to a method of measuring the flow parameters of a fluid, and to a device utilizing this method, in which the autocorrelation function of the signal transmitted back by a particle of the fluid in motion is calculated. The mean speed and the variance of the flow are calculated by calculating the derivations of orders 1 and 2 of this autocorrelation function.
    Type: Grant
    Filed: August 20, 1984
    Date of Patent: April 22, 1986
    Assignee: CGR Ultrasonic
    Inventors: Olivier Lannuzel, Thierry Pradal