ZA964540B - Manufacturing process for a double-reflector antenna illumination system with axial lens support and associated illumination system. - Google Patents

Manufacturing process for a double-reflector antenna illumination system with axial lens support and associated illumination system.

Info

Publication number
ZA964540B
ZA964540B ZA9604540A ZA964540A ZA964540B ZA 964540 B ZA964540 B ZA 964540B ZA 9604540 A ZA9604540 A ZA 9604540A ZA 964540 A ZA964540 A ZA 964540A ZA 964540 B ZA964540 B ZA 964540B
Authority
ZA
South Africa
Prior art keywords
illumination system
double
manufacturing process
lens support
reflector antenna
Prior art date
Application number
ZA9604540A
Inventor
Cesare Bassi
Marino Capurso
Elio Deponti
Original Assignee
Italtel Spa
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 Italtel Spa filed Critical Italtel Spa
Publication of ZA964540B publication Critical patent/ZA964540B/en

Links

Classifications

    • 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
    • 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
    • H01Q19/134—Rear-feeds; Splash plate feeds
    • 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
    • H01Q19/193—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 with feed supported subreflector

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Aerials With Secondary Devices (AREA)
ZA9604540A 1995-06-05 1996-06-03 Manufacturing process for a double-reflector antenna illumination system with axial lens support and associated illumination system. ZA964540B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI951168A IT1275307B (en) 1995-06-05 1995-06-05 PROCEDURE FOR THE MANUFACTURE OF A DOUBLE REFLECTOR ANTENNA LIGHTING SYSTEM WITH AXIAL SUPPORT OF THE OPTICS AND RELATED LIGHTING SYSTEM

Publications (1)

Publication Number Publication Date
ZA964540B true ZA964540B (en) 1997-09-18

Family

ID=11371744

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9604540A ZA964540B (en) 1995-06-05 1996-06-03 Manufacturing process for a double-reflector antenna illumination system with axial lens support and associated illumination system.

Country Status (4)

Country Link
AU (1) AU5901296A (en)
IT (1) IT1275307B (en)
WO (1) WO1996039729A1 (en)
ZA (1) ZA964540B (en)

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US6862000B2 (en) * 2002-01-28 2005-03-01 The Boeing Company Reflector antenna having low-dielectric support tube for sub-reflectors and feeds
CN102059547B (en) * 2010-10-18 2012-07-04 安徽博微长安电子有限公司 Installing and regulating method and device of parabolic antenna sample plate
CN103247864B (en) * 2013-05-10 2015-06-03 中国电子科技集团公司第五十四研究所 High-precision spinning antenna reflecting surface and manufacturing method thereof
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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3231097A1 (en) * 1982-08-20 1984-02-23 Siemens AG, 1000 Berlin und 8000 München Antenna in accordance with the Cassegrain principle, having a holder for the subreflector
FR2568415A1 (en) * 1984-07-27 1986-01-31 Leobon Henri Microwave transmitting antenna
HU193099B (en) * 1985-05-21 1987-08-28 Peter Hancs Method for making waveguide section forming continuous and smooth transition between cross-sections of different size and/or shape and ariel with waveguide section made thereby
DE3823056A1 (en) * 1988-07-07 1990-01-11 Siemens Ag Directional antenna
FR2672435B1 (en) * 1991-02-05 1993-11-19 Cgti DEVICE FOR MOUNTING AND DISASSEMBLING THE SOURCE OF AN ANTENNA.

Also Published As

Publication number Publication date
AU5901296A (en) 1996-12-24
ITMI951168A0 (en) 1995-06-05
IT1275307B (en) 1997-08-05
WO1996039729A1 (en) 1996-12-12
ITMI951168A1 (en) 1996-12-05

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