DE69817373D1 - Antenne für satelliten mit niedriger umlaufbahn - Google Patents
Antenne für satelliten mit niedriger umlaufbahnInfo
- Publication number
- DE69817373D1 DE69817373D1 DE69817373T DE69817373T DE69817373D1 DE 69817373 D1 DE69817373 D1 DE 69817373D1 DE 69817373 T DE69817373 T DE 69817373T DE 69817373 T DE69817373 T DE 69817373T DE 69817373 D1 DE69817373 D1 DE 69817373D1
- Authority
- DE
- Germany
- Prior art keywords
- antenna
- satellite
- elementary
- plane
- antennas
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
- H01Q11/02—Non-resonant antennas, e.g. travelling-wave antenna
- H01Q11/08—Helical antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
- H01Q21/067—Two dimensional planar arrays using endfire radiating aerial units transverse to the plane of the array
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radio Relay Systems (AREA)
- Details Of Aerials (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9703250A FR2760900B1 (fr) | 1997-03-17 | 1997-03-17 | Antenne pour satellite a defilement |
FR9703250 | 1997-03-17 | ||
PCT/FR1998/000535 WO1998042042A1 (fr) | 1997-03-17 | 1998-03-17 | Antenne pour satellite a defilement |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69817373D1 true DE69817373D1 (de) | 2003-09-25 |
DE69817373T2 DE69817373T2 (de) | 2004-06-09 |
Family
ID=9504893
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69817373T Expired - Lifetime DE69817373T2 (de) | 1997-03-17 | 1998-03-17 | Antenne für satelliten mit niedriger umlaufbahn |
Country Status (8)
Country | Link |
---|---|
US (1) | US6252562B1 (de) |
EP (1) | EP1010214B1 (de) |
JP (1) | JP2001516536A (de) |
AT (1) | ATE247871T1 (de) |
CA (1) | CA2284872A1 (de) |
DE (1) | DE69817373T2 (de) |
FR (1) | FR2760900B1 (de) |
WO (1) | WO1998042042A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE516105C2 (sv) * | 1999-06-11 | 2001-11-19 | Allgon Ab | En metod för att styra strålningsmönstret hos en antenn, ett antennsystem och en radiokommunikationsanordning |
FR2810456B1 (fr) * | 2000-06-20 | 2005-02-11 | Mitsubishi Electric Inf Tech | Dispositif d'antenne reconfigurable pour station de telecommunication |
FR2839207B1 (fr) * | 2002-04-29 | 2004-07-16 | Chelton Antennas | Antenne accordable passive a large bande |
US6806845B2 (en) * | 2003-01-14 | 2004-10-19 | Honeywell Federal Manufacturing & Technologies, Llc | Time-delayed directional beam phased array antenna |
US6784458B1 (en) * | 2003-04-14 | 2004-08-31 | Harvatek Corp. | Random partitionable dot matrix LED display |
US7015871B2 (en) | 2003-12-18 | 2006-03-21 | Kathrein-Werke Kg | Mobile radio antenna arrangement for a base station |
FR2976749B1 (fr) * | 2011-06-16 | 2013-06-28 | Astrium Sas | Dispositif et procede d'optimisation de la couverture au sol d'un systeme spatial hybride. |
US10199711B2 (en) | 2015-05-13 | 2019-02-05 | The Arizona Board Of Regents On Behalf Of The University Of Arizona | Deployable reflector antenna |
US10978808B2 (en) * | 2015-07-16 | 2021-04-13 | Arizona Board Of Regents On Behalf Of The University Of Arizona | Phased array line feed for reflector antenna |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4989011A (en) * | 1987-10-23 | 1991-01-29 | Hughes Aircraft Company | Dual mode phased array antenna system |
US5041842A (en) * | 1990-04-18 | 1991-08-20 | Blaese Herbert R | Helical base station antenna with support |
US5258771A (en) * | 1990-05-14 | 1993-11-02 | General Electric Co. | Interleaved helix arrays |
US5345248A (en) * | 1992-07-22 | 1994-09-06 | Space Systems/Loral, Inc. | Staggered helical array antenna |
US5587719A (en) * | 1994-02-04 | 1996-12-24 | Orbital Sciences Corporation | Axially arrayed helical antenna |
US5986619A (en) * | 1996-05-07 | 1999-11-16 | Leo One Ip, L.L.C. | Multi-band concentric helical antenna |
-
1997
- 1997-03-17 FR FR9703250A patent/FR2760900B1/fr not_active Expired - Fee Related
-
1998
- 1998-03-17 DE DE69817373T patent/DE69817373T2/de not_active Expired - Lifetime
- 1998-03-17 WO PCT/FR1998/000535 patent/WO1998042042A1/fr active IP Right Grant
- 1998-03-17 JP JP54020198A patent/JP2001516536A/ja active Pending
- 1998-03-17 US US09/381,537 patent/US6252562B1/en not_active Expired - Lifetime
- 1998-03-17 EP EP98917183A patent/EP1010214B1/de not_active Expired - Lifetime
- 1998-03-17 CA CA002284872A patent/CA2284872A1/fr not_active Abandoned
- 1998-03-17 AT AT98917183T patent/ATE247871T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US6252562B1 (en) | 2001-06-26 |
FR2760900A1 (fr) | 1998-09-18 |
DE69817373T2 (de) | 2004-06-09 |
ATE247871T1 (de) | 2003-09-15 |
EP1010214A1 (de) | 2000-06-21 |
CA2284872A1 (fr) | 1998-09-24 |
FR2760900B1 (fr) | 1999-05-28 |
JP2001516536A (ja) | 2001-09-25 |
EP1010214B1 (de) | 2003-08-20 |
WO1998042042A1 (fr) | 1998-09-24 |
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