FR2667988A1 - Aerien combine a encombrement tres reduit. - Google Patents
Aerien combine a encombrement tres reduit. Download PDFInfo
- Publication number
- FR2667988A1 FR2667988A1 FR9012606A FR9012606A FR2667988A1 FR 2667988 A1 FR2667988 A1 FR 2667988A1 FR 9012606 A FR9012606 A FR 9012606A FR 9012606 A FR9012606 A FR 9012606A FR 2667988 A1 FR2667988 A1 FR 2667988A1
- Authority
- FR
- France
- Prior art keywords
- antenna
- strands
- base
- uhf
- aerial
- 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.)
- Granted
Links
- 230000010287 polarization Effects 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims description 5
- 230000005855 radiation Effects 0.000 claims description 4
- 230000002745 absorbent Effects 0.000 claims description 3
- 239000002250 absorbent Substances 0.000 claims description 3
- 230000010363 phase shift Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 230000006978 adaptation Effects 0.000 description 5
- 238000004904 shortening Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9012606A FR2667988A1 (fr) | 1990-10-12 | 1990-10-12 | Aerien combine a encombrement tres reduit. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9012606A FR2667988A1 (fr) | 1990-10-12 | 1990-10-12 | Aerien combine a encombrement tres reduit. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2667988A1 true FR2667988A1 (fr) | 1992-04-17 |
FR2667988B1 FR2667988B1 (enrdf_load_stackoverflow) | 1993-02-26 |
Family
ID=9401165
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9012606A Granted FR2667988A1 (fr) | 1990-10-12 | 1990-10-12 | Aerien combine a encombrement tres reduit. |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2667988A1 (enrdf_load_stackoverflow) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0715369A1 (en) * | 1994-12-01 | 1996-06-05 | Indian Space Research Organisation | A multiband antenna system |
FR2781607A1 (fr) * | 1998-07-22 | 2000-01-28 | Vistar Telecommunications Inc | Antenne integree a double mode et son procede de realisation |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2357078A1 (fr) * | 1976-06-30 | 1978-01-27 | Siemens Ag | Antenne omnidirectionnelle multiple |
DE2660313C2 (de) * | 1976-06-30 | 1982-05-27 | Siemens AG, 1000 Berlin und 8000 München | Doppelrundstrahlantenne |
US4349824A (en) * | 1980-10-01 | 1982-09-14 | The United States Of America As Represented By The Secretary Of The Navy | Around-a-mast quadrifilar microstrip antenna |
EP0251818A2 (en) * | 1986-07-04 | 1988-01-07 | Nec Corporation | Omnidirectional antenna assembly |
-
1990
- 1990-10-12 FR FR9012606A patent/FR2667988A1/fr active Granted
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2357078A1 (fr) * | 1976-06-30 | 1978-01-27 | Siemens Ag | Antenne omnidirectionnelle multiple |
DE2660313C2 (de) * | 1976-06-30 | 1982-05-27 | Siemens AG, 1000 Berlin und 8000 München | Doppelrundstrahlantenne |
US4349824A (en) * | 1980-10-01 | 1982-09-14 | The United States Of America As Represented By The Secretary Of The Navy | Around-a-mast quadrifilar microstrip antenna |
EP0251818A2 (en) * | 1986-07-04 | 1988-01-07 | Nec Corporation | Omnidirectional antenna assembly |
Non-Patent Citations (1)
Title |
---|
ELECTRONIQUE RADIO PLANS no. 508, mars 1990, pages 53-56, Paris, FR; K. LOHSE: "Une antenne Navstar-GPS" * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0715369A1 (en) * | 1994-12-01 | 1996-06-05 | Indian Space Research Organisation | A multiband antenna system |
US5572227A (en) * | 1994-12-01 | 1996-11-05 | Indian Space Research Organisation | Multiband antenna system for operating at L-band, S-band and UHF-band |
FR2781607A1 (fr) * | 1998-07-22 | 2000-01-28 | Vistar Telecommunications Inc | Antenne integree a double mode et son procede de realisation |
Also Published As
Publication number | Publication date |
---|---|
FR2667988B1 (enrdf_load_stackoverflow) | 1993-02-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0520851B1 (fr) | Antenne mixte pour réception de signaux émis simultanément par satellite et par stations terrestres, notamment pour la réception de signaux de radiodiffusion sonore numérique | |
EP2466684B1 (fr) | Système d'antenne en diversité | |
FR2758012A1 (fr) | Antenne double, en particulier pour vehicule | |
FR2597266A1 (fr) | Antenne a large bande | |
FR2977381A1 (fr) | Dephaseur et repartiteur de puissance | |
FR2944917A1 (fr) | Antenne multiplie large bande a faible profil | |
EP2178152A1 (fr) | Dispositif de commutation électronique pour signaux a haute fréquence | |
EP3136499B1 (fr) | Système diviseur/combineur pour onde hyperféquence | |
CA2800952C (fr) | Antenne compacte large bande a tres faible epaisseur et a double polarisations lineaires orthogonales operant dans les bandes v/uhf | |
EP0467818B1 (fr) | Elément de transition entre guides d'ondes électromagnétiques, notamment entre un guide d'ondes circulaire et un guide d'ondes coaxial | |
CA2006291C (fr) | Dispositif rayonnant bifrequence | |
CA1260082A (fr) | Dispositif a joint tournant hyperfrequence | |
EP2817850B1 (fr) | Dispositif à bande interdite électromagnétique, utilisation dans un dispositif antennaire et procédé de détermination des paramètres du dispositif antennaire | |
FR2667988A1 (fr) | Aerien combine a encombrement tres reduit. | |
EP0015610A1 (fr) | Filtre de réflexion de fréquence image en hyperfréquence et récepteur hyperfréquence comprenant un tel filtre | |
EP2449629B1 (fr) | Systeme antennaire compacte omnidirectionnel et large bande comportant deux acces emission et reception separes fortement decouples | |
EP3155690B1 (fr) | Antenne plate de telecommunication par satellite | |
EP2610965B1 (fr) | Antenne compacte à large bande à double polarisation linéaire | |
FR2962854A1 (fr) | Antenne filaire pour une emission haute frequence | |
WO2018055313A1 (fr) | Antenne à tiges ferromagnétiques bobinées et couplées entre elles | |
WO2001047057A1 (fr) | Procede de decouplage d'antennes au sein d'un systeme d'antennes co-localisees, capteur et applications correspondants | |
FR2828014A1 (fr) | Antenne | |
FR2828015A1 (fr) | Circuit d'alimentation et antenne le comportant | |
FR2758011A1 (fr) | Antenne a large bande, en particulier pour vehicule | |
FR2958803A1 (fr) | Antenne bibande |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
CL | Concession to grant licences | ||
ST | Notification of lapse |