AU4110389A - A circularly symmetrical reflector - Google Patents

A circularly symmetrical reflector

Info

Publication number
AU4110389A
AU4110389A AU41103/89A AU4110389A AU4110389A AU 4110389 A AU4110389 A AU 4110389A AU 41103/89 A AU41103/89 A AU 41103/89A AU 4110389 A AU4110389 A AU 4110389A AU 4110389 A AU4110389 A AU 4110389A
Authority
AU
Australia
Prior art keywords
circularly symmetrical
symmetrical reflector
reflector
circularly
symmetrical
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.)
Granted
Application number
AU41103/89A
Other versions
AU627493B2 (en
Inventor
Nhu Bui Hai
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.)
Alcatel Lucent NV
Original Assignee
Alcatel NV
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 FR8812458A external-priority patent/FR2637129B1/en
Priority claimed from FR8812459A external-priority patent/FR2637130B1/en
Priority claimed from FR8813781A external-priority patent/FR2640087B1/en
Application filed by Alcatel NV filed Critical Alcatel NV
Publication of AU4110389A publication Critical patent/AU4110389A/en
Application granted granted Critical
Publication of AU627493B2 publication Critical patent/AU627493B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • H01Q19/18—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 having two or more spaced reflecting surfaces
    • H01Q19/19—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 having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/14—Reflecting surfaces; Equivalent structures
    • H01Q15/141—Apparatus or processes specially adapted for manufacturing reflecting surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Aerials With Secondary Devices (AREA)
  • Waveguide Aerials (AREA)
AU41103/89A 1988-09-23 1989-09-07 A circularly symmetrical reflector Ceased AU627493B2 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
FR8812458 1988-09-23
FR8812458A FR2637129B1 (en) 1988-09-23 1988-09-23 CASSEGRAIN OPTICAL ANTENNA WITH REVOLUTION REFLECTORS
FR8812459 1988-09-23
FR8812459A FR2637130B1 (en) 1988-09-23 1988-09-23 HIGH EFFICIENCY CASSEGRAIN OPTICAL ANTENNA
FR8813781 1988-10-20
FR8813781A FR2640087B1 (en) 1988-10-20 1988-10-20 MONOREFLECTIVE PARABOLOIDAL ANTENNA

Publications (2)

Publication Number Publication Date
AU4110389A true AU4110389A (en) 1990-03-29
AU627493B2 AU627493B2 (en) 1992-08-27

Family

ID=27251696

Family Applications (1)

Application Number Title Priority Date Filing Date
AU41103/89A Ceased AU627493B2 (en) 1988-09-23 1989-09-07 A circularly symmetrical reflector

Country Status (4)

Country Link
EP (1) EP0361294A1 (en)
JP (1) JPH02121506A (en)
AU (1) AU627493B2 (en)
CA (1) CA1314972C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU627493B2 (en) * 1988-09-23 1992-08-27 Alcatel N.V. A circularly symmetrical reflector
EP1134838A1 (en) * 2000-03-14 2001-09-19 Lucent Technologies Inc. Antenna radome
FR2986376B1 (en) 2012-01-31 2014-10-31 Alcatel Lucent SECONDARY REFLECTOR OF DOUBLE REFLECTOR ANTENNA
JP6143281B2 (en) * 2013-03-04 2017-06-07 日本無線株式会社 Radar antenna
CN110429371B (en) * 2019-08-07 2021-04-09 中国科学院新疆天文台 Feed mode switching mechanism of radio telescope

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2551545A1 (en) * 1975-11-17 1977-05-26 Siemens Ag Cassegrain aerial for very short wavelengths - has horn exciter with circular cross:section and ring: shaped ribs one quarter wavelength deep
FR2412961A1 (en) * 1977-12-22 1979-07-20 Thomson Csf CONICAL SCAN ANTENNA SYSTEM FOR TRACKING RADAR
JPS56169906A (en) * 1980-06-03 1981-12-26 Kokusai Denshin Denwa Co Ltd <Kdd> Antenna device
DE3380008D1 (en) * 1982-10-11 1989-07-06 Cambridge Electronic Ind Dish aerial
AU627493B2 (en) * 1988-09-23 1992-08-27 Alcatel N.V. A circularly symmetrical reflector

Also Published As

Publication number Publication date
CA1314972C (en) 1993-03-23
AU627493B2 (en) 1992-08-27
EP0361294A1 (en) 1990-04-04
JPH02121506A (en) 1990-05-09

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