FR2644937B1 - Antenne omnidirective en polarisation circulaire transversale a maximum de gain sous l'horizon - Google Patents

Antenne omnidirective en polarisation circulaire transversale a maximum de gain sous l'horizon

Info

Publication number
FR2644937B1
FR2644937B1 FR8903778A FR8903778A FR2644937B1 FR 2644937 B1 FR2644937 B1 FR 2644937B1 FR 8903778 A FR8903778 A FR 8903778A FR 8903778 A FR8903778 A FR 8903778A FR 2644937 B1 FR2644937 B1 FR 2644937B1
Authority
FR
France
Prior art keywords
omnidirective
horizon
antenna
circular polarization
maximum gain
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.)
Expired - Lifetime
Application number
FR8903778A
Other languages
English (en)
Other versions
FR2644937A1 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR8903778A priority Critical patent/FR2644937B1/fr
Priority to EP19900401787 priority patent/EP0463263B1/fr
Priority to DE1990608170 priority patent/DE69008170T2/de
Priority to ES90401787T priority patent/ES2053136T3/es
Priority to DK90401787T priority patent/DK0463263T3/da
Publication of FR2644937A1 publication Critical patent/FR2644937A1/fr
Application granted granted Critical
Publication of FR2644937B1 publication Critical patent/FR2644937B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
FR8903778A 1989-03-22 1989-03-22 Antenne omnidirective en polarisation circulaire transversale a maximum de gain sous l'horizon Expired - Lifetime FR2644937B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR8903778A FR2644937B1 (fr) 1989-03-22 1989-03-22 Antenne omnidirective en polarisation circulaire transversale a maximum de gain sous l'horizon
EP19900401787 EP0463263B1 (fr) 1989-03-22 1990-06-22 Antenne omnidirective en polarisation circulaire transversale à maximum de gain sous l'horizon
DE1990608170 DE69008170T2 (de) 1989-03-22 1990-06-22 Zirkular polarisierte Rundum-Antenne mit grösstem Gewinn in horizontaler Richtung.
ES90401787T ES2053136T3 (es) 1989-03-22 1990-06-22 Antena omnidirectiva en polarizacion circular transversal con maximo de ganancia bajo el horizonte.
DK90401787T DK0463263T3 (da) 1989-03-22 1990-06-22 Cirkulær polariseret rundstrålende antenne med størst forstærkning i horisontal retning

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8903778A FR2644937B1 (fr) 1989-03-22 1989-03-22 Antenne omnidirective en polarisation circulaire transversale a maximum de gain sous l'horizon

Publications (2)

Publication Number Publication Date
FR2644937A1 FR2644937A1 (fr) 1990-09-28
FR2644937B1 true FR2644937B1 (fr) 1991-09-27

Family

ID=9379964

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8903778A Expired - Lifetime FR2644937B1 (fr) 1989-03-22 1989-03-22 Antenne omnidirective en polarisation circulaire transversale a maximum de gain sous l'horizon

Country Status (5)

Country Link
EP (1) EP0463263B1 (fr)
DE (1) DE69008170T2 (fr)
DK (1) DK0463263T3 (fr)
ES (1) ES2053136T3 (fr)
FR (1) FR2644937B1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2676311B1 (fr) * 1991-05-07 1993-11-19 Agence Spatiale Europeenne Antenne a polarisation circulaire.
GB2259811B (en) * 1991-09-21 1995-05-17 Motorola Israel Ltd An antenna
FR2721757B1 (fr) * 1994-06-28 1996-09-13 Jac International Antenne omnidirectionnelle en azimut et directive en site et répondeur maritime ainsi équipé.
US7411399B2 (en) * 2005-10-04 2008-08-12 Schlumberger Technology Corporation Electromagnetic survey system with multiple sources
US8803749B2 (en) 2011-03-25 2014-08-12 Kwok Wa Leung Elliptically or circularly polarized dielectric block antenna
GB2512111B (en) 2013-03-20 2017-02-15 British Broadcasting Corp Antenna arrangement for transmitting two or more polarisations of radio signal
US9899746B2 (en) * 2013-12-14 2018-02-20 The Charles Stark Draper Laboratory, Inc. Electronically steerable single helix/spiral antenna
CN103822973A (zh) * 2014-02-26 2014-05-28 北京工业大学 一种全向性的水平剪切模态磁致伸缩传感器
FR3060089B1 (fr) 2016-12-08 2019-08-23 Mbda France Ensemble d'equilibrage a bagues d'equilibrage pour missile et missile pourvu d'un tel ensemble d'equilibrage
CN109216941A (zh) * 2018-09-03 2019-01-15 吴通控股集团股份有限公司 一种小型干涉仪测向天线组

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2217911A (en) * 1938-08-12 1940-10-15 Rca Corp Radio communication
US2532428A (en) * 1946-11-14 1950-12-05 United Broadeasting Company Elliptical polarization electromagnetic energy radiation system
US3348228A (en) * 1965-08-02 1967-10-17 Raytheon Co Circular dipole antenna array
US3555552A (en) * 1969-12-19 1971-01-12 Andrew Alford Dual polarized antenna system with controlled field pattern
US4083051A (en) * 1976-07-02 1978-04-04 Rca Corporation Circularly-polarized antenna system using tilted dipoles
US4555708A (en) * 1984-01-10 1985-11-26 The United States Of America As Represented By The Secretary Of The Air Force Dipole ring array antenna for circularly polarized pattern

Also Published As

Publication number Publication date
FR2644937A1 (fr) 1990-09-28
DE69008170D1 (de) 1994-05-19
ES2053136T3 (es) 1994-07-16
EP0463263A1 (fr) 1992-01-02
EP0463263B1 (fr) 1994-04-13
DE69008170T2 (de) 1994-10-13
DK0463263T3 (da) 1994-06-06

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Legal Events

Date Code Title Description
TP Transmission of property
CL Concession to grant licenses
TP Transmission of property
ST Notification of lapse