Patents by Inventor William Baird Fritz

William Baird Fritz 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).

  • Coated ferrite RF filters
    Patent number: RE29258
    Abstract: In a low pass RF filter, a coating of barium titanate is applied to a ferrite substrate. In one embodiment, the RF filter is an extruded tube of ferrite coated with barium titanate. The tube is used as an RF filter for a connector pin. In another embodiment, a thin strip of ferrite is coated with barium titanate. This forms a filter strip for use on circuit boards or for use as a high capacity lossy power bus.
    Type: Grant
    Filed: January 22, 1975
    Date of Patent: June 7, 1977
    Assignee: AMP Incorporated
    Inventor: William Baird Fritz