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FR2410375B1 - - Google Patents

Info

Publication number
FR2410375B1
FR2410375B1 FR7832122A FR7832122A FR2410375B1 FR 2410375 B1 FR2410375 B1 FR 2410375B1 FR 7832122 A FR7832122 A FR 7832122A FR 7832122 A FR7832122 A FR 7832122A FR 2410375 B1 FR2410375 B1 FR 2410375B1
Authority
FR
France
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.)
Expired
Application number
FR7832122A
Other versions
FR2410375A1 (fr
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.)
Telecom Italia SpA
Original Assignee
CSELT Centro Studi e Laboratori Telecomunicazioni 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 CSELT Centro Studi e Laboratori Telecomunicazioni SpA filed Critical CSELT Centro Studi e Laboratori Telecomunicazioni SpA
Publication of FR2410375A1 publication Critical patent/FR2410375A1/fr
Application granted granted Critical
Publication of FR2410375B1 publication Critical patent/FR2410375B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H01Q15/16—Reflecting surfaces; Equivalent structures curved in two dimensions, e.g. paraboloidal
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Aerials With Secondary Devices (AREA)
FR7832122A 1977-11-25 1978-11-14 Reflecteur d'antenne en forme de paraboloide elliptique avec lobe principal du diagramme de rayonnement en forme d'ellipse Granted FR2410375A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT69656/77A IT1091499B (it) 1977-11-25 1977-11-25 Riflettore parabolico ellittico per antenna con lobo principale del diagramma di irradiazione a sezione

Publications (2)

Publication Number Publication Date
FR2410375A1 FR2410375A1 (fr) 1979-06-22
FR2410375B1 true FR2410375B1 (fr) 1983-11-04

Family

ID=11312571

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7832122A Granted FR2410375A1 (fr) 1977-11-25 1978-11-14 Reflecteur d'antenne en forme de paraboloide elliptique avec lobe principal du diagramme de rayonnement en forme d'ellipse

Country Status (7)

Country Link
US (1) US4232322A (fr)
JP (1) JPS5479542A (fr)
DE (1) DE2850492C2 (fr)
FR (1) FR2410375A1 (fr)
GB (1) GB2009514B (fr)
IT (1) IT1091499B (fr)
SE (1) SE439710B (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3007128A1 (de) * 1980-02-26 1981-09-03 Siemens AG, 1000 Berlin und 8000 München Mikrowellen-richtantenne zur erzeugung einer sektorgeformten strahlungskeule
DE3011187C2 (de) * 1980-03-22 1984-08-02 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn Satellitenantenne für die Kommunikation zwischen zwei Bodenstationen über einen Synchronsatelliten
EP0055591A1 (fr) * 1980-12-22 1982-07-07 Cyril Victor Bunny Antenne réceptrice conique du type Jemcy
GB8430306D0 (en) * 1984-11-30 1985-01-09 British Telecomm Transportable antenna
US4688325A (en) * 1984-11-30 1987-08-25 Harris Corporation Technique for fabricating offset, shaped antenna reflectors
EP0219321A1 (fr) * 1985-10-10 1987-04-22 British Aerospace Public Limited Company Système d'antenne
GB8813655D0 (en) * 1988-06-09 1988-07-13 British Aerospace Spacecraft antenna system
WO1990006004A1 (fr) * 1988-11-14 1990-05-31 Crooks Michell Peacock Stewart (Qld) Pty. Limited Antenne a reflecteur parabolique excentree
US5175562A (en) * 1989-06-23 1992-12-29 Northeastern University High aperture-efficient, wide-angle scanning offset reflector antenna
EP0562355A3 (en) * 1992-03-26 1995-06-14 Siemens Ag Antenna for radar surveillance
US5859619A (en) * 1996-10-22 1999-01-12 Trw Inc. Small volume dual offset reflector antenna
US5977926A (en) * 1998-09-10 1999-11-02 Trw Inc. Multi-focus reflector antenna
US20110102233A1 (en) * 2008-09-15 2011-05-05 Trex Enterprises Corp. Active millimeter-wave imaging system
WO2013031396A1 (fr) * 2011-08-26 2013-03-07 日本電気株式会社 Dispositif d'antenne
EP2876483B1 (fr) * 2012-07-20 2017-10-18 JVC KENWOOD Corporation Appareil d'affichage d'image
US20140055314A1 (en) * 2012-08-21 2014-02-27 Northeastern University Doubly shaped reflector transmitting antenna for millimeter-wave security scanning system
EP2752941A1 (fr) * 2013-01-03 2014-07-09 VEGA Grieshaber KG Antenne parabolique ayant un sous-réflecteur intégré dans le radôme
US10082530B1 (en) * 2013-12-10 2018-09-25 The Directv Group, Inc. Method and apparatus for rapid and scalable testing of antennas

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1293255B (de) * 1962-11-20 1969-04-24 Rohde & Schwarz Spiegelantenne mit einem Primaerstrahler kreisfoermiger Apertur und einem paraboloidfoermigen Spiegel
NL143081C (nl) * 1967-03-21 1974-08-15 Siemens Ag Gerichte antenne voor zeer korte elektromagnetische golven, in het bijzonder voor radardoeleinden.
DE2263248A1 (de) * 1972-12-23 1974-06-27 Messerschmitt Boelkow Blohm Satellitenantenne mit gekruemmtem reflektor
US3995275A (en) * 1973-07-12 1976-11-30 Mitsubishi Denki Kabushiki Kaisha Reflector antenna having main and subreflector of diverse curvature
JPS6013322B2 (ja) * 1976-11-18 1985-04-06 日本電気株式会社 マルチビ−ム空中線

Also Published As

Publication number Publication date
GB2009514A (en) 1979-06-13
FR2410375A1 (fr) 1979-06-22
IT1091499B (it) 1985-07-06
US4232322A (en) 1980-11-04
GB2009514B (en) 1982-09-15
SE439710B (sv) 1985-06-24
JPS6135721B2 (fr) 1986-08-14
SE7811802L (sv) 1979-05-26
DE2850492A1 (de) 1979-05-31
DE2850492C2 (de) 1982-09-30
JPS5479542A (en) 1979-06-25

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Legal Events

Date Code Title Description
ST Notification of lapse