Patents by Inventor Michel CASTAINGS

Michel CASTAINGS 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).

  • Publication number: 20190160491
    Abstract: A multi-element, capacitive, ultrasonic, air-coupled transducer includes a membrane having an electrically conductive face; and a plurality of electrically separate conductive elements, consisting of a central disc and a plurality of rings arranged concentrically with the central disc, the conductive elements each having a face arranged facing the membrane and the faces of the conductive elements being of the same surface area; wherein the central disc has a radius of between 10 mm and 15 mm and wherein the number of conductive elements is between 12 and 18.
    Type: Application
    Filed: July 24, 2017
    Publication date: May 30, 2019
    Inventors: Christine BIATEAU, Michel CASTAINGS, Mathieu RENIER