Patents by Inventor John R. Fende

John R. Fende 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).

  • Police radar warning receiver
    Patent number: 4613989
    Abstract: A compact police radar warning receiver is provided having an antenna in which all of the mixer and oscillator components are mounted to one side of the antenna enabling the exterior wall of the side opposite thereto to be constructed substantially flat and thereby function as one of the exterior walls of the housing. The antenna is further provided with an improved microwave oscillator, an impedance transformer and non-adjustably positioned tuning pins.
    Type: Grant
    Filed: September 28, 1984
    Date of Patent: September 23, 1986
    Assignee: Cincinnati Microwave, Inc.
    Inventors: John R. Fende, Gregory R. Furnish, Richard L. Grimsley
  • Microwave oscillator
    Patent number: 4583057
    Abstract: A box-shaped metal microwave oscillator is provided having two pairs of substantially parallel, confronting inner surfaces, the second pair perpendicular to the first pair to define an oscillator cavity. The forward end of the cavity is walled off with a slotted wall to permit only a portion of the oscillator energy to be emitted. The spacing of certain of the walls and the location of the oscillator components to the wall is described.
    Type: Grant
    Filed: September 28, 1984
    Date of Patent: April 15, 1986
    Assignee: Cincinnati Microwave, Inc.
    Inventor: John R. Fende