Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01Q—ANTENNAS, i.e. RADIO AERIALS
  • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
  • H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
  • H01Q19/12—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave
  • H01Q19/13—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave the primary radiating source being a single radiating element, e.g. a dipole, a slot, a waveguide termination
  • H01Q19/132—Horn reflector antennas; Off-set feeding
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01Q—ANTENNAS, i.e. RADIO AERIALS
  • H01Q21/00—Antenna arrays or systems
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01Q—ANTENNAS, i.e. RADIO AERIALS
  • H01Q21/00—Antenna arrays or systems
  • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01Q—ANTENNAS, i.e. RADIO AERIALS
  • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns

Applications Claiming Priority (1)

Publications (1)

Family

ID=19783448

Family Applications (1)

Country Status (6)

Families Citing this family (1)

• 0
  • NL NL6704147.A patent/NL159215B/xx unknown
  • BE BE509143D patent/BE509143A/xx unknown
  • NL NL82652D patent/NL82652C/xx active
• 1952
  • 1952-02-08 GB GB3385/52A patent/GB690915A/en not_active Expired
  • 1952-02-09 DE DEN5072A patent/DE943776C/de not_active Expired
  • 1952-02-11 CH CH304752D patent/CH304752A/de unknown
  • 1952-02-11 FR FR1050730D patent/FR1050730A/fr not_active Expired

Also Published As

Similar Documents