GB541593A - Directional antenna systems - Google Patents
Directional antenna systemsInfo
- Publication number
- GB541593A GB541593A GB9974/40A GB997440A GB541593A GB 541593 A GB541593 A GB 541593A GB 9974/40 A GB9974/40 A GB 9974/40A GB 997440 A GB997440 A GB 997440A GB 541593 A GB541593 A GB 541593A
- Authority
- GB
- United Kingdom
- Prior art keywords
- aerials
- path
- varying
- received along
- arrays
- 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
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 |
---|---|
GB541593A true GB541593A (en) | 1941-12-03 |
Family
ID=9342743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9974/40A Expired GB541593A (en) | 1939-08-18 | 1940-06-07 | Directional antenna systems |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE479584A (el) |
FR (1) | FR862260A (el) |
GB (1) | GB541593A (el) |
-
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 |
---|---|
BE479584A (el) | |
FR862260A (fr) | 1941-03-03 |
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