EP0174579A3 - Antenne mit geformtem Bündel - Google Patents

Antenne mit geformtem Bündel Download PDF

Info

Publication number
EP0174579A3
EP0174579A3 EP85111057A EP85111057A EP0174579A3 EP 0174579 A3 EP0174579 A3 EP 0174579A3 EP 85111057 A EP85111057 A EP 85111057A EP 85111057 A EP85111057 A EP 85111057A EP 0174579 A3 EP0174579 A3 EP 0174579A3
Authority
EP
European Patent Office
Prior art keywords
axis
respect
plane
antenna
array antenna
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP85111057A
Other languages
English (en)
French (fr)
Other versions
EP0174579A2 (de
Inventor
Mitsuhiro Kusano
Hajime Seki
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.)
NEC Corp
Original Assignee
NEC Corp
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
Priority claimed from JP18429084A external-priority patent/JPS6162208A/ja
Priority claimed from JP18428884A external-priority patent/JPS6162211A/ja
Priority claimed from JP16734885A external-priority patent/JPS6229205A/ja
Application filed by NEC Corp filed Critical NEC Corp
Publication of EP0174579A2 publication Critical patent/EP0174579A2/de
Publication of EP0174579A3 publication Critical patent/EP0174579A3/de
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
    • H01Q17/001—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems for modifying the directional characteristic of an aerial
    • 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
    • H01Q13/0233—Horns fed by a slotted waveguide array
    • 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
    • H01Q19/17—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 comprising two or more radiating elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/0006—Particular feeding systems
    • H01Q21/0037—Particular feeding systems linear waveguide fed arrays
    • H01Q21/0043—Slotted waveguides

Landscapes

  • Aerials With Secondary Devices (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
EP85111057A 1984-09-03 1985-09-02 Antenne mit geformtem Bündel Withdrawn EP0174579A3 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP18429084A JPS6162208A (ja) 1984-09-03 1984-09-03 反射板付きアレイアンテナ
JP184288/84 1984-09-03
JP184290/84 1984-09-03
JP18428884A JPS6162211A (ja) 1984-09-03 1984-09-03 筒状鏡面付きアレイアンテナ
JP167348/85 1985-07-29
JP16734885A JPS6229205A (ja) 1985-07-29 1985-07-29 電波吸収体付加反射板付きアレイアンテナ

Publications (2)

Publication Number Publication Date
EP0174579A2 EP0174579A2 (de) 1986-03-19
EP0174579A3 true EP0174579A3 (de) 1987-06-03

Family

ID=27322840

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85111057A Withdrawn EP0174579A3 (de) 1984-09-03 1985-09-02 Antenne mit geformtem Bündel

Country Status (3)

Country Link
EP (1) EP0174579A3 (de)
AU (1) AU4696485A (de)
CA (1) CA1238714A (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0185962B1 (ko) * 1995-03-03 1999-05-15 구관영 안테나 측면 복사에너지를 최소화한 안테나
US6570540B2 (en) 2001-09-14 2003-05-27 The Boeing Company Reflector assembly for minimizing reflections of electromagnetic energy from an antenna disposed within a radome
EP4062548A1 (de) * 2019-11-21 2022-09-28 Telefonaktiebolaget LM Ericsson (publ) Innenraum-deckenfunkgerät für verteilte antennensysteme
US11901601B2 (en) 2020-12-18 2024-02-13 Aptiv Technologies Limited Waveguide with a zigzag for suppressing grating lobes
US12058804B2 (en) 2021-02-09 2024-08-06 Aptiv Technologies AG Formed waveguide antennas of a radar assembly
US11962085B2 (en) 2021-05-13 2024-04-16 Aptiv Technologies AG Two-part folded waveguide having a sinusoidal shape channel including horn shape radiating slots formed therein which are spaced apart by one-half wavelength
US11616282B2 (en) 2021-08-03 2023-03-28 Aptiv Technologies Limited Transition between a single-ended port and differential ports having stubs that match with input impedances of the single-ended and differential ports
US12456816B2 (en) * 2022-05-02 2025-10-28 Aptiv Technologies AG Waveguide with slot antennas and reflectors
US12537308B2 (en) 2023-01-24 2026-01-27 Aptiv Technologies AG Symmetrical two-piece waveguide
US12148992B2 (en) 2023-01-25 2024-11-19 Aptiv Technologies AG Hybrid horn waveguide antenna
EP4418457A1 (de) * 2023-02-15 2024-08-21 Nokia Technologies Oy Vorrichtung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3137001A (en) * 1959-08-25 1964-06-09 Decca Ltd Slotted waveguide array with parabolic reflectors and lobe switching
US3604010A (en) * 1969-01-30 1971-09-07 Singer General Precision Antenna array system for generating shaped beams for guidance during aircraft landing
GB2044006A (en) * 1978-11-23 1980-10-08 Decca Ltd Radar antenna
US4464663A (en) * 1981-11-19 1984-08-07 Ball Corporation Dual polarized, high efficiency microstrip antenna

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3137001A (en) * 1959-08-25 1964-06-09 Decca Ltd Slotted waveguide array with parabolic reflectors and lobe switching
US3604010A (en) * 1969-01-30 1971-09-07 Singer General Precision Antenna array system for generating shaped beams for guidance during aircraft landing
GB2044006A (en) * 1978-11-23 1980-10-08 Decca Ltd Radar antenna
US4464663A (en) * 1981-11-19 1984-08-07 Ball Corporation Dual polarized, high efficiency microstrip antenna

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ELECTRONICS AND COMMUNICATIONS IN JAPAN, vol. 54-B, no. 11, November 1971, pages 34-39; H. YOKOI et al.: "Low-sidelobe paraboloidal antenna with microwave absorber" *

Also Published As

Publication number Publication date
CA1238714A (en) 1988-06-28
AU4696485A (en) 1986-03-13
EP0174579A2 (de) 1986-03-19

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Effective date: 19900403

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Inventor name: SEKI, HAJIME

Inventor name: KUSANO, MITSUHIRO