BE442423A - - Google Patents
Info
- Publication number
- BE442423A BE442423A BE442423DA BE442423A BE 442423 A BE442423 A BE 442423A BE 442423D A BE442423D A BE 442423DA BE 442423 A BE442423 A BE 442423A
- Authority
- BE
- Belgium
- Prior art keywords
- emi
- plane
- systems
- earth
- radiating
- Prior art date
Links
- 230000005855 radiation Effects 0.000 claims description 19
- 239000002689 soil Substances 0.000 claims description 9
- 230000010355 oscillation Effects 0.000 claims description 6
- 230000000295 complement effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- PCTMTFRHKVHKIS-BMFZQQSSSA-N (1s,3r,4e,6e,8e,10e,12e,14e,16e,18s,19r,20r,21s,25r,27r,30r,31r,33s,35r,37s,38r)-3-[(2r,3s,4s,5s,6r)-4-amino-3,5-dihydroxy-6-methyloxan-2-yl]oxy-19,25,27,30,31,33,35,37-octahydroxy-18,20,21-trimethyl-23-oxo-22,39-dioxabicyclo[33.3.1]nonatriaconta-4,6,8,10 Chemical compound C1C=C2C[C@@H](OS(O)(=O)=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2.O[C@H]1[C@@H](N)[C@H](O)[C@@H](C)O[C@H]1O[C@H]1/C=C/C=C/C=C/C=C/C=C/C=C/C=C/[C@H](C)[C@@H](O)[C@@H](C)[C@H](C)OC(=O)C[C@H](O)C[C@H](O)CC[C@@H](O)[C@H](O)C[C@H](O)C[C@](O)(C[C@H](O)[C@H]2C(O)=O)O[C@H]2C1 PCTMTFRHKVHKIS-BMFZQQSSSA-N 0.000 description 1
- 101100400378 Mus musculus Marveld2 gene Proteins 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Aerials With Secondary Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL80840X | 1940-08-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE442423A true BE442423A (enrdf_load_html_response) |
Family
ID=19758437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE442423D BE442423A (enrdf_load_html_response) | 1940-08-08 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE442423A (enrdf_load_html_response) |
| CH (1) | CH226952A (enrdf_load_html_response) |
| FR (1) | FR878154A (enrdf_load_html_response) |
-
0
- BE BE442423D patent/BE442423A/fr unknown
-
1941
- 1941-08-06 CH CH226952D patent/CH226952A/de unknown
- 1941-10-14 FR FR878154D patent/FR878154A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH226952A (de) | 1943-05-15 |
| FR878154A (fr) | 1943-01-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2985023C (fr) | Systeme antennaire a ondes de surface | |
| FR2655778A1 (fr) | Antenne iff aeroportee a diagrammes multiples commutables. | |
| EP1145378B1 (fr) | Dispositif de transmission bi-bande et antenne pour ce dispositif | |
| CA2812722C (fr) | Antenne de grande dimension a ondes de surface et a large bande | |
| FR2644635A1 (fr) | Systeme d'antennes de pente d'atterrissage | |
| FR2778272A1 (fr) | Dispositif de radiocommunication et antenne bifrequence realisee selon la technique des microrubans | |
| FR2496347A1 (fr) | Antenne de systeme de navigation omnidirectionnelle a tres haute frequence | |
| WO2004040694A1 (fr) | Antenne multi-faisceaux a materiau bip | |
| EP0454582B1 (fr) | Système d'antenne de radiogoniométrie à couverture omnidirectionnelle | |
| BE442423A (enrdf_load_html_response) | ||
| EP1554777A1 (fr) | Antenne a materiau bip multi-faisceaux | |
| WO2017025675A1 (fr) | Antenne à ondes de surface, réseau d'antennes et utilisation d'une antenne ou d'un réseau d'antennes | |
| EP3529858B1 (fr) | Revêtement pour la dissimulation d'objets au rayonnement électromagnétique d'antennes | |
| CA2151150C (fr) | Reflecteur pour radar polarimetrique, notamment a usage de calibre ou de balise | |
| CA2937510C (fr) | Dispositif de communication d'une cabine d'aeronef | |
| FR3054042A1 (fr) | Procede et dispositif de determination d'une zone geographique operationnelle observee par un capteur | |
| EP0929914B1 (fr) | Antenne a haute frequence | |
| EP3223360A1 (fr) | Antenne bi-boucle pour engin immerge | |
| EP3610577B1 (fr) | Antenne configurée pour être conformée à une surface transparente, dispositif d'affichage et dispositif de paiement électronique correspondants | |
| FR3027460A1 (fr) | Systeme antennaire compact pour la goniometrie en diversite de la polarisation | |
| EP0762534A1 (fr) | Procédé d'élargissement du faisceau d'une antenne stérique | |
| FR2487985A1 (fr) | Dispositif et procede d'attaque d'antennes pour un systeme de navigation omnidirectionnelle a tres haute frequence | |
| FR3094142A1 (fr) | antenne directive compacte, dispositif comportant une telle antenne | |
| WO2017025674A1 (fr) | Système antennaire à ondes de surface | |
| FR3114167A1 (fr) | Procédé de détermination d’une altitude d’un équipement utilisateur, dispositif, équipement utilisateur, station de base, système et programme d’ordinateur correspondants. |