Patent · US Expired

Electronically scanned antenna

US4965588A · kind A · utility

16Cited by
9References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 20, 1989
Grant dateOct 23, 1990
Priority date
Expiry dateMar 20, 2009

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01Q25/007
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

The invention relates to an electronically scanned antenna comprising an array (11) of elementary sources, an energy-focusing reflector (10), and feed and control electronics; the array (11) is situated in the focal zone of the reflector, while the feed and control electronics includes a plurality of attenuator and phase shifter circuits (24) controlled by a control unit (27), with said circuits having their outputs connected to at least one combiner (28). The invention is particularly suitable for space telecommunications.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.