Patents by Inventor James M. Ferrari

James M. Ferrari 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).

  • High switching speed electrically tuned microwave magnetic resonance devices
    Patent number: 4574259
    Abstract: An apparatus for changing the phase of a microwave signal comprising:a sample that exhibits the magneto-electric effect;a metal enclosure loaded with said sample; a voltage source; a feed electrode and a ground electrode attached to said sample and to said voltage source so that a voltage difference is created across said sample by said voltage source, said feed electrode connecting said voltage source and said sample by passing through said; a coupling slot in said enclosure that enables microwaves to enter into said enclosure and leave said enclosure after the microwave has been phase shifted and a means for producing a magnetic field inside the metal enclosure.
    Type: Grant
    Filed: December 20, 1984
    Date of Patent: March 4, 1986
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: George T. Rado, Carmine Vittoria, James M. Ferrari