Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BAE Systems Electronics Ltd
Original Assignee
Marconi Electronic Systems Ltd
BAE Systems Electronics Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Marconi Electronic Systems Ltd, BAE Systems Electronics LtdfiledCriticalMarconi Electronic Systems Ltd
Priority to GB9904431ApriorityCriticalpatent/GB2347274B/en
Publication of GB9904431D0publicationCriticalpatent/GB9904431D0/en
Publication of GB2347274ApublicationCriticalpatent/GB2347274A/en
Application grantedgrantedCritical
Publication of GB2347274BpublicationCriticalpatent/GB2347274B/en
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
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01Q—ANTENNAS, i.e. RADIO AERIALS
H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
H01Q13/02—Waveguide horns
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01Q—ANTENNAS, i.e. RADIO AERIALS
H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
H01Q13/02—Waveguide horns
H01Q13/0208—Corrugated horns
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01Q—ANTENNAS, i.e. RADIO AERIALS
H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
H01Q13/02—Waveguide horns
H01Q13/0283—Apparatus or processes specially provided for manufacturing horns
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01Q—ANTENNAS, i.e. RADIO AERIALS
H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
H01Q13/06—Waveguide mouths
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
H01Q19/06—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 refracting or diffracting devices, e.g. lens
H01Q19/08—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 refracting or diffracting devices, e.g. lens for modifying the radiation pattern of a radiating horn in which it is located
Landscapes
Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Aerials With Secondary Devices (AREA)
GB9904431A1999-02-261999-02-26Antenna arrangement and method of manufacturing an antenna arrangementExpired - Fee RelatedGB2347274B (en)