Patent · US Expired

Microwave antenna

US4827276A · kind A · utility

22Cited by
9References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 4, 1987
Grant dateMay 2, 1989
Priority date
Expiry dateJun 4, 2007

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01Q21/24
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A planar microwave antenna of the suspended line feed type has a substrate sandwiched between a pair of conductive plates, each of the plates having aligned openings defining radiation elements. The substrate is held in place by holding portions surrounding the openings and wide grooves between the openings house a plurality of parallel suspended lines.

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