BE479584A - - Google Patents
Info
- Publication number
- BE479584A BE479584A BE479584DA BE479584A BE 479584 A BE479584 A BE 479584A BE 479584D A BE479584D A BE 479584DA BE 479584 A BE479584 A BE 479584A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
- H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
- H01Q21/12—Parallel arrangements of substantially straight elongated conductive units
-
- 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)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Aerials With Secondary Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR862260T | 1939-08-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE479584A true BE479584A (enrdf_load_html_response) |
Family
ID=9342743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE479584D BE479584A (enrdf_load_html_response) | 1939-08-18 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE479584A (enrdf_load_html_response) |
| FR (1) | FR862260A (enrdf_load_html_response) |
| GB (1) | GB541593A (enrdf_load_html_response) |
-
0
- BE BE479584D patent/BE479584A/xx unknown
-
1939
- 1939-08-18 FR FR862260D patent/FR862260A/fr not_active Expired
-
1940
- 1940-06-07 GB GB9974/40A patent/GB541593A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB541593A (en) | 1941-12-03 |
| FR862260A (fr) | 1941-03-03 |