DE69008170D1 - Zirkular polarisierte Rundum-Antenne mit grösstem Gewinn in horizontaler Richtung. - Google Patents

Zirkular polarisierte Rundum-Antenne mit grösstem Gewinn in horizontaler Richtung.

Info

Publication number
DE69008170D1
DE69008170D1 DE69008170T DE69008170T DE69008170D1 DE 69008170 D1 DE69008170 D1 DE 69008170D1 DE 69008170 T DE69008170 T DE 69008170T DE 69008170 T DE69008170 T DE 69008170T DE 69008170 D1 DE69008170 D1 DE 69008170D1
Authority
DE
Germany
Prior art keywords
horizontal direction
circularly polarized
greatest gain
round antenna
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.)
Expired - Fee Related
Application number
DE69008170T
Other languages
English (en)
Other versions
DE69008170T2 (de
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.)
Davey Bickford Smith et Cie SA
Original Assignee
Davey Bickford Smith et Cie SA
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 Davey Bickford Smith et Cie SA filed Critical Davey Bickford Smith et Cie SA
Application granted granted Critical
Publication of DE69008170D1 publication Critical patent/DE69008170D1/de
Publication of DE69008170T2 publication Critical patent/DE69008170T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
DE1990608170 1989-03-22 1990-06-22 Zirkular polarisierte Rundum-Antenne mit grösstem Gewinn in horizontaler Richtung. Expired - Fee Related DE69008170T2 (de)

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
DE69008170D1 true DE69008170D1 (de) 1994-05-19
DE69008170T2 DE69008170T2 (de) 1994-10-13

Family

ID=9379964

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1990608170 Expired - Fee Related DE69008170T2 (de) 1989-03-22 1990-06-22 Zirkular polarisierte Rundum-Antenne mit grösstem Gewinn in horizontaler Richtung.

Country Status (5)

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

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
EP0463263A1 (de) 1992-01-02
FR2644937B1 (fr) 1991-09-27
FR2644937A1 (fr) 1990-09-28
DE69008170T2 (de) 1994-10-13
DK0463263T3 (da) 1994-06-06
ES2053136T3 (es) 1994-07-16
EP0463263B1 (de) 1994-04-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee