Patents by Inventor Roger J. Torguet

Roger J. Torguet 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).

  • Patent number: 4157665
    Abstract: A device for forming acoustical images comprises an ultrasonic source, a linear array of first receiving transducers for receiving the echoes from a target illuminated by a source. The signals from the linear array of first receiving transducers are processed by a system comprising an oscillator at a frequency higher than that of the source, and, for each said receiving transducers, a mixer, a filter for separating the components of the beating frequency and a transmitting transducer.
    Type: Grant
    Filed: October 6, 1977
    Date of Patent: June 12, 1979
    Assignee: Agence Nationale de Valorisation de la Recherche (ANVAR)
    Inventors: Edouard Bridoux, Christian D. Bruneel, Roger J. Torguet, Bertrand Nongaillard