Patents by Inventor Francesco Alia

Francesco Alia 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).

  • Patent number: 4689630
    Abstract: A reflector antenna is disclosed which generates two or more beams which are separated angularly in the elevation plane, as in multi-beam antennas, and are shaped so as to provide, when combined, any desired pattern of coverage. The antenna includes a horn which receives separated inputs and radiates toward a reflector primary beams displaced from one another by a predetermined angle but having a single phase center.
    Type: Grant
    Filed: June 19, 1984
    Date of Patent: August 25, 1987
    Assignee: Contraves Italiana S.p.A.
    Inventors: Francesco Alia, Gianfranco Ruggerini
  • Patent number: 4328500
    Abstract: An integrated radar antenna array consists of a first antenna, in which an exciter is positioned at a focal length of a double curvature reflector with different height and width dimensions to generate a first directional radiation pattern, and a second antenna comprising the reflector of the first antenna and a plurality of micro strip surfaces fitted to the double curvature of the reflector and suitably secured thereon.The radiating micro strip surface is positioned on the reflector at a distance d=K.lambda./2 where .lambda.=wavelength of the exciter frequency and K can be 0,1,2,3 . . . n.
    Type: Grant
    Filed: June 11, 1980
    Date of Patent: May 4, 1982
    Assignee: Contraves Italiana S.p.A.
    Inventors: Francesco Alia, Stefano Barbati