Patents by Inventor Harald Seidlitz

Harald Seidlitz 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 transmitter
    Patent number: 4386612
    Abstract: In an ultrasonic wave transmitter for generating spatially incoherent ultrasonic radiation, which transmitter includes a source of ultrasonic acoustic radiation, there are provided a member holding a fluid medium in a region exposed to the acoustic radiation, a plurality of particles immersed in the medium and having a diameter of the order of magnitude of the wavelength of the acoustic radiation and an acoustic radiation impedance different from that of the medium, and a device for subjecting the particles to an irregular movement in the medium and within the region.
    Type: Grant
    Filed: October 5, 1981
    Date of Patent: June 7, 1983
    Assignee: Gesellschaft fur Strahlen-und Umweltforschung mbH Munchen
    Inventors: Ulrich Roder, Harald Seidlitz, Christof Scherg