Patent · US Expired

Adaptive spatial microwave filter

US4344077A · kind A · utility

20Cited by
11References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 31, 1980
Grant dateAug 10, 1982
Priority date
Expiry dateJan 31, 2000

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01Q3/46
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

Process to attenuate or cancel certain side lobes of a microwave antenna pattern by using a network of parallel wires loaded with resistances that are adjustable at will, arranged as a filter in front of the antenna. Application of this process to the elimination of the effects of active or passive interferences, as well as to the localization of jammers. Adaptive filter for microwave antennas.

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