Patents by Inventor Frank M. Barone

Frank M. Barone 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).

  • Audio filter with magnetic field cancellation
    Patent number: 5754667
    Abstract: An audio filter for use with loud speakers which substantially eliminates magnetic fields emanating from inductors of the filter by the inductors for each channel being physically oriented and electrically connected so that the magnetic fields generated by the inductors for each channel are self-cancelling. For preferred embodiments, the pair of inductors for each channel are side-by-side in close proximity to each other with current flowing in opposite directions through the coils.
    Type: Grant
    Filed: January 25, 1995
    Date of Patent: May 19, 1998
    Assignee: Boston Acoustics, Inc.
    Inventors: Mark B. Nazar, Frank M. Barone, Moses Gabbay