BE390929A - - Google Patents
Info
- Publication number
- BE390929A BE390929A BE390929DA BE390929A BE 390929 A BE390929 A BE 390929A BE 390929D A BE390929D A BE 390929DA BE 390929 A BE390929 A BE 390929A
- Authority
- BE
- Belgium
- Prior art keywords
- antenna
- antennas
- antenna system
- parabola
- systems
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000004020 conductor Substances 0.000 claims description 7
- 230000010287 polarization Effects 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 2
- 230000005855 radiation Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims 5
- 239000000470 constituent Substances 0.000 claims 2
- 238000000034 method Methods 0.000 claims 2
- 230000004308 accommodation Effects 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 229910052802 copper Inorganic materials 0.000 description 7
- 239000010949 copper Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 230000005284 excitation Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000010453 quartz Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Classifications
-
- 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
- Aerials With Secondary Devices (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE390929A true BE390929A (pm) |
Family
ID=58795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE390929D BE390929A (pm) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE390929A (pm) |
-
0
- BE BE390929D patent/BE390929A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR2763750A1 (fr) | Systeme d'antenne a polarisation double et a isolation elevee, qui utilise des elements rayonnants dipolaires | |
| EP2625741B1 (fr) | Antenne de grande dimension à ondes de surface et à large bande | |
| FR2773271A1 (fr) | Emetteur/recepteur d'ondes electromagnetiques | |
| FR3079678A1 (fr) | Element rayonnant a polarisation circulaire mettant en oeuvre une resonance dans une cavite de fabry perot | |
| FR2640431A1 (fr) | Dispositif rayonnant multifrequence | |
| EP1516393B1 (fr) | Dispositif rayonnant bi-bande a double polarisation | |
| FR2704359A1 (fr) | Antenne plane. | |
| FR2572592A1 (fr) | Antenne en nappe pour micro-ondes | |
| EP0707357A1 (fr) | Système à antennes source multiples intégrées au convertisseur de fréquence à faible bruit | |
| EP1523062B1 (fr) | Antenne omnidirectionnelle pour la transmission et/ou la réception de signaux audio et/ou vidéo | |
| EP2543111B1 (fr) | Structure antennaire à dipôles | |
| CA2994728C (fr) | Antenne a ondes de surface, reseau d'antennes et utilisation d'une antenne ou d'un reseau d'antennes | |
| BE390929A (pm) | ||
| WO1991018428A1 (fr) | Antenne orientable plane, fonctionnant en micro-ondes | |
| FR3089358A1 (fr) | Elément rayonnant à accès multiples | |
| FR2759814A1 (fr) | Elements d'antenne hyperfrequence en helice | |
| EP0337841A1 (fr) | Antenne boucle large bande à alimentation dissymétrique, notamment antenne pour émission, et antenne réseau formée d'une pluralité de telles antennes | |
| WO2023117192A1 (fr) | Dispositif antennaire à deux réseaux de dipôles et systeme de communication associe | |
| WO2007054582A1 (fr) | Systeme d'antenne plate a acces direct en guide d'ondes | |
| BE355808A (pm) | ||
| EP0116487B1 (fr) | Antenne à plan de sol | |
| FR2983358A1 (fr) | Antenne comprenant un reseau accordable d'elements rayonnants | |
| CH139027A (fr) | Antenne pour la transmission directive d'énergie de radio-signalisation. | |
| FR3151945A1 (fr) | Antenne à réseau transmetteur | |
| EP2449629A1 (fr) | Systeme antennaire compacte omnidirectionnel et large bande comportant deux acces emission et reception separes fortement decouples |