FR2194973B1 - - Google Patents

Info

Publication number
FR2194973B1
FR2194973B1 FR7328915A FR7328915A FR2194973B1 FR 2194973 B1 FR2194973 B1 FR 2194973B1 FR 7328915 A FR7328915 A FR 7328915A FR 7328915 A FR7328915 A FR 7328915A FR 2194973 B1 FR2194973 B1 FR 2194973B1
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.)
Expired
Application number
FR7328915A
Other versions
FR2194973A1 (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.)
Becker Flugfunkwerk GmbH
Original Assignee
Becker Flugfunkwerk GmbH
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 Becker Flugfunkwerk GmbH filed Critical Becker Flugfunkwerk GmbH
Publication of FR2194973A1 publication Critical patent/FR2194973A1/fr
Application granted granted Critical
Publication of FR2194973B1 publication Critical patent/FR2194973B1/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S3/00Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02Direction-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
    • G01S3/14Systems for determining direction or deviation from predetermined direction
    • G01S3/143Systems for determining direction or deviation from predetermined direction by vectorial combination of signals derived from differently oriented antennae

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)
FR7328915A 1972-08-01 1973-07-31 Expired FR2194973B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2237720A DE2237720C2 (de) 1972-08-01 1972-08-01 Elektronische Funkpeilanlage

Publications (2)

Publication Number Publication Date
FR2194973A1 FR2194973A1 (fr) 1974-03-01
FR2194973B1 true FR2194973B1 (fr) 1978-09-29

Family

ID=5852301

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7328915A Expired FR2194973B1 (fr) 1972-08-01 1973-07-31

Country Status (3)

Country Link
US (1) US3916411A (fr)
DE (1) DE2237720C2 (fr)
FR (1) FR2194973B1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4025924A (en) * 1975-09-10 1977-05-24 The United States Of America As Represented By The Field Operations Bureau Of The Federal Communications Commission Mobile direction comparator
JPS5852186B2 (ja) * 1979-03-12 1983-11-21 太洋無線株式会社 方位測定装置
JPS597946B2 (ja) * 1979-03-19 1984-02-21 太洋無線株式会社 方向探知機
DE3126867A1 (de) * 1981-07-08 1983-01-27 C. Plath Gmbh Nautisch-Elektronische Technik, 2000 Hamburg Einkanal-peilverfahren mit selbsttaetiger korrektur von peilfehlern
JPS62185180A (ja) * 1986-02-12 1987-08-13 Taiyo Musen Kk 方向探知機
US4724442A (en) * 1986-05-29 1988-02-09 E-Systems, Inc. Method and apparatus for loop direction finding with no ambiguity
US5003316A (en) * 1989-04-24 1991-03-26 E-Systems, Inc. Single null miniature direction finder
FR2791020A1 (fr) * 1999-03-18 2000-09-22 Jean Marie Charles Brousse Dispositif permettant la detection de tous types de vehicules equipes aux gpl et la protection des reservoirs contre le feu et le vandalisme
WO2017149697A1 (fr) * 2016-03-02 2017-09-08 三菱電機株式会社 Dispositif d'antenne et procédé d'excitation d'antenne

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2943323A (en) * 1957-09-03 1960-06-28 Internat Res & Dev Corp Automatic direction finding device for aircraft
GB906468A (en) * 1960-05-18 1962-09-19 Marconi Wireless Telegraph Co Improvements in or relating to radio direction finders
GB1233538A (fr) * 1967-06-20 1971-05-26
FR2012381A1 (fr) * 1968-07-05 1970-03-20 Telefunken Gmbh

Also Published As

Publication number Publication date
DE2237720C2 (de) 1974-08-29
FR2194973A1 (fr) 1974-03-01
DE2237720A1 (fr) 1974-02-07
DE2237720B1 (de) 1974-02-07
US3916411A (en) 1975-10-28

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Legal Events

Date Code Title Description
ST Notification of lapse