Patents by Inventor John M. Deacon

John M. Deacon 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).

  • Surface acoustic wave filters
    Patent number: 4144508
    Abstract: A surface acoustic wave filter for television or other video apparatus comprising a plurality of transducers, wherein at least one weighted transducer includes a pattern of interleaved metal fingers formed on a surface of a piezo-electric substrate, the filter including means for reducing spurious peak signals originating from within the transducer.
    Type: Grant
    Filed: July 28, 1977
    Date of Patent: March 13, 1979
    Assignee: Plessey Handel und Investments AG
    Inventors: Brian Lewis, John M. Deacon