FR938211A - Antennes pour l'atterrissage des avions - Google Patents
Antennes pour l'atterrissage des avionsInfo
- Publication number
- FR938211A FR938211A FR938211DA FR938211A FR 938211 A FR938211 A FR 938211A FR 938211D A FR938211D A FR 938211DA FR 938211 A FR938211 A FR 938211A
- Authority
- FR
- France
- Prior art keywords
- antennas
- aircraft landing
- landing
- aircraft
- 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
-
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US381955A US2383489A (en) | 1941-03-06 | 1941-03-06 | Method and means for controlling horizontal patterns for glide paths |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR938211A true FR938211A (fr) | 1948-09-08 |
Family
ID=23506991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR938211D Expired FR938211A (fr) | 1941-03-06 | 1946-04-01 | Antennes pour l'atterrissage des avions |
Country Status (3)
-
0
- BE BE472523D patent/BE472523A/xx unknown
-
1941
- 1941-03-06 US US381955A patent/US2383489A/en not_active Expired - Lifetime
-
1946
- 1946-04-01 FR FR938211D patent/FR938211A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2383489A (en) | 1945-08-28 |
| BE472523A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
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