FR867462A - Systèmes d'aériens radioélectriques - Google Patents
Systèmes d'aériens radioélectriquesInfo
- Publication number
- FR867462A FR867462A FR867462DA FR867462A FR 867462 A FR867462 A FR 867462A FR 867462D A FR867462D A FR 867462DA FR 867462 A FR867462 A FR 867462A
- Authority
- FR
- France
- Prior art keywords
- radio systems
- aerial radio
- aerial
- systems
- radio
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/10—Polarisation diversity; Directional diversity
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US300166A US2307184A (en) | 1939-10-19 | 1939-10-19 | Ultra short wave beacon |
Publications (1)
Publication Number | Publication Date |
---|---|
FR867462A true FR867462A (fr) | 1941-11-03 |
Family
ID=23157986
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR867462D Expired FR867462A (fr) | 1939-10-19 | 1940-10-11 | Systèmes d'aériens radioélectriques |
Country Status (3)
Country | Link |
---|---|
US (1) | US2307184A (fr) |
FR (1) | FR867462A (fr) |
GB (1) | GB543336A (fr) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL61576C (fr) * | 1942-02-18 | |||
US2428582A (en) * | 1942-05-21 | 1947-10-07 | Rca Corp | Radio diversity transmitter |
US2512086A (en) * | 1942-12-25 | 1950-06-20 | Bowen Edward George | Radio locating apparatus |
US2415932A (en) * | 1943-04-21 | 1947-02-18 | Rca Corp | Antenna system |
US2422076A (en) * | 1943-07-28 | 1947-06-10 | Rca Corp | Antenna system |
US2462881A (en) * | 1943-10-25 | 1949-03-01 | John W Marchetti | Antenna |
US2474854A (en) * | 1944-07-20 | 1949-07-05 | John W Marchetti | Antenna |
GB628956A (en) * | 1944-10-26 | 1949-09-08 | Csf | Improvements in or relating to devices for landing aircraft by means of ultra-high frequency signals |
US2517540A (en) * | 1945-08-11 | 1950-08-08 | Standard Telephones Cables Ltd | Distance measuring system |
US2527570A (en) * | 1947-12-01 | 1950-10-31 | Int Standard Electric Corp | Glide path system |
US2981834A (en) * | 1955-01-11 | 1961-04-25 | Rollind O Holloway | Interference rejection system and method using two relatively rotatable antennas |
US2804618A (en) * | 1955-03-21 | 1957-08-27 | Jfd Mfg Co Inc | Interference eliminating antenna system |
US3409890A (en) * | 1966-12-28 | 1968-11-05 | Univ Sydney | Landing system for aircraft |
GB2161026A (en) * | 1984-06-29 | 1986-01-02 | Racal Antennas Limited | Antenna arrangements |
-
1939
- 1939-10-19 US US300166A patent/US2307184A/en not_active Expired - Lifetime
-
1940
- 1940-08-21 GB GB13286/40A patent/GB543336A/en not_active Expired
- 1940-10-11 FR FR867462D patent/FR867462A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2307184A (en) | 1943-01-05 |
GB543336A (en) | 1942-02-20 |
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