Patents by Inventor Tuomas Holberg

Tuomas Holberg 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).

  • Non-linearly tapering transmission line speakers
    Patent number: 6700984
    Abstract: A nonlinearly tapering transmission line loudspeaker enclosure comprised of a waveguide whose cross sectional area is largest near the loudspeaker driver, and smallest at the terminal end. The transmission line nonlinearly tapers between the one end and the other end. The taper can be exponential or any other type of nonlinear taper.
    Type: Grant
    Filed: December 7, 2000
    Date of Patent: March 2, 2004
    Assignee: California Institute of Technology
    Inventors: Tuomas Holberg, Marcel Gavriliu