FR2180449A1 - - Google Patents

Info

Publication number
FR2180449A1
FR2180449A1 FR7213440A FR7213440A FR2180449A1 FR 2180449 A1 FR2180449 A1 FR 2180449A1 FR 7213440 A FR7213440 A FR 7213440A FR 7213440 A FR7213440 A FR 7213440A FR 2180449 A1 FR2180449 A1 FR 2180449A1
Authority
FR
France
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.)
Granted
Application number
FR7213440A
Other versions
FR2180449B1 (fr
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
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR7213440A priority Critical patent/FR2180449B1/fr
Priority to IT4946673A priority patent/IT980226B/it
Priority to GB1830573A priority patent/GB1368926A/en
Priority to DE19732319241 priority patent/DE2319241A1/de
Publication of FR2180449A1 publication Critical patent/FR2180449A1/fr
Application granted granted Critical
Publication of FR2180449B1 publication Critical patent/FR2180449B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G01S3/46—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
    • G01S3/48—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems the waves arriving at the antennas being continuous or intermittent and the phase difference of signals derived therefrom being measured

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
FR7213440A 1972-04-17 1972-04-17 Expired FR2180449B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7213440A FR2180449B1 (fr) 1972-04-17 1972-04-17
IT4946673A IT980226B (it) 1972-04-17 1973-04-16 Radiogoniometro di pordo
GB1830573A GB1368926A (en) 1972-04-17 1973-04-16 Radio direction-finding apparatus
DE19732319241 DE2319241A1 (de) 1972-04-17 1973-04-16 Bordpeilgeraet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7213440A FR2180449B1 (fr) 1972-04-17 1972-04-17

Publications (2)

Publication Number Publication Date
FR2180449A1 true FR2180449A1 (fr) 1973-11-30
FR2180449B1 FR2180449B1 (fr) 1976-10-29

Family

ID=9096982

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7213440A Expired FR2180449B1 (fr) 1972-04-17 1972-04-17

Country Status (4)

Country Link
DE (1) DE2319241A1 (fr)
FR (1) FR2180449B1 (fr)
GB (1) GB1368926A (fr)
IT (1) IT980226B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2433075A1 (fr) * 1978-08-08 1980-03-07 Herstad Oystein Plate-forme d'atterrissage pour helicopteres
EP0298845A1 (fr) * 1987-07-07 1989-01-11 Thomson-Csf Procédé et dispositif de protection contre un brouilleur dans une station radio comportant plusieurs antennes commutables, et leurs utilisations pour la réalisation de radiogoniomètres

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109375155B (zh) * 2018-11-28 2022-10-21 成都中星世通电子科技有限公司 一种基于听觉映射的无线电信号监测测向方法及处理器

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2433075A1 (fr) * 1978-08-08 1980-03-07 Herstad Oystein Plate-forme d'atterrissage pour helicopteres
EP0298845A1 (fr) * 1987-07-07 1989-01-11 Thomson-Csf Procédé et dispositif de protection contre un brouilleur dans une station radio comportant plusieurs antennes commutables, et leurs utilisations pour la réalisation de radiogoniomètres
FR2617981A1 (fr) * 1987-07-07 1989-01-13 Thomson Csf Procede et dispositif de protection contre un brouilleur dans une station radio comportant plusieurs antennes commutables et leur utilisation a la realisation de radiogoniometres

Also Published As

Publication number Publication date
DE2319241A1 (de) 1973-10-25
GB1368926A (en) 1974-10-02
FR2180449B1 (fr) 1976-10-29
IT980226B (it) 1974-09-30

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Legal Events

Date Code Title Description
CL Concession to grant licenses
ST Notification of lapse