Patents by Inventor Roberto Chierici

Roberto Chierici 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).

  • Perfectioning in reply type radar systems, in particular the SSR type
    Patent number: 4656477
    Abstract: The invention regards a perfectioning in reply type radar systems, in particular SSR (Secondary Surveillance Radar) or IFF (Identification Friend or Foe). The invention has as its aim that of eliminating or reducing undesired replies due to reflections from fixed obstacles or from structural peculiarities in the main radar system (i.e. radome) and other similar effects. The suppression of undesired replies is attained by varying azimuthally the emission power of the radio-frequency impulses according to a memorized law.
    Type: Grant
    Filed: September 29, 1982
    Date of Patent: April 7, 1987
    Assignee: Selenia Industrie Elettroniche Associate--S.p.A.
    Inventors: Roberto Ronconi, Roberto Chierici