Patent · US Expired

Array antenna apparatus

US5923290A · kind A · utility

8Cited by
12References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 1, 1996
Grant dateJul 13, 1999
Priority date
Expiry dateApr 1, 2016

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01Q13/206
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

Array antenna apparatus can form a beam in plural directions by changing the electrical supply track length between antenna elements of array antennas so that a beam of the same form but a different inclination angle is formed by each array antenna. Each array antennas can be arbitrarily selected switch circuit, and a supplied transmitted signal, and enables forming a beam in different directions alternatively.

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