FR867462A - Systèmes d'aériens radioélectriques - Google Patents

Systèmes d'aériens radioélectriques

Info

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
Application number
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR867462A publication Critical patent/FR867462A/fr
Expired legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
FR867462D 1939-10-19 1940-10-11 Systèmes d'aériens radioélectriques Expired FR867462A (fr)

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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
US2307184A (en) 1943-01-05
GB543336A (en) 1942-02-20

Similar Documents

Publication Publication Date Title
FR864920A (fr) Systèmes d'aériens radioélectriques
FR836633A (fr) Systèmes d'antennes
FR867851A (fr) Systèmes d'aériens radioélectriques
FR867462A (fr) Systèmes d'aériens radioélectriques
FR856061A (fr) Systèmes émetteurs d'ondes radioélectriques modulées
FR951025A (fr) Systèmes d'antennes dirigées
FR867451A (fr) Systèmes de communications radioélectriques
FR821125A (fr) Systèmes d'aériens
FR839635A (fr) Systèmes radio-électriques
FR867452A (fr) Systèmes radioélectriques directifs
FR867847A (fr) Systèmes radioélectriques directifs
FR858648A (fr) Perfectionnements aux systèmes d'antennes radioélectriques
FR858682A (fr) Systèmes de communication de télévision
FR939215A (fr) Systèmes de concentration d'électrons
FR851596A (fr) Systèmes d'antennes
FR848805A (fr) Systèmes de télécommunications
FR852823A (fr) Systèmes téléphoniques ou analogues
FR867359A (fr) Systèmes de communications radioélectriques
FR867663A (fr) Systèmes modulateurs
CH232394A (de) Funkpeiler.
FR864654A (fr) Systèmes modulateurs
FR867449A (fr) Systèmes de transmission
FR862748A (fr) Perfectionnements aux antennes et systèmes d'antennes dirigés
FR867362A (fr) Systèmes d'antennes
FR867923A (fr) Système d'aériens radioélectriques