FR2226669B1 - - Google Patents

Info

Publication number
FR2226669B1
FR2226669B1 FR7413787A FR7413787A FR2226669B1 FR 2226669 B1 FR2226669 B1 FR 2226669B1 FR 7413787 A FR7413787 A FR 7413787A FR 7413787 A FR7413787 A FR 7413787A FR 2226669 B1 FR2226669 B1 FR 2226669B1
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
FR7413787A
Other languages
French (fr)
Other versions
FR2226669A1 (de
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs 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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of FR2226669A1 publication Critical patent/FR2226669A1/fr
Application granted granted Critical
Publication of FR2226669B1 publication Critical patent/FR2226669B1/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
    • 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
    • G01S3/16—Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived sequentially from receiving antennas or antenna systems having differently-oriented directivity characteristics or from an antenna system having periodically-varied orientation of directivity characteristic
    • G01S3/22—Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived sequentially from receiving antennas or antenna systems having differently-oriented directivity characteristics or from an antenna system having periodically-varied orientation of directivity characteristic derived from different combinations of signals from separate antennas, e.g. comparing sum with difference

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)
FR7413787A 1973-04-21 1974-04-19 Expired FR2226669B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732320546 DE2320546C2 (de) 1973-04-21 1973-04-21 Verwendung von Leistungsteilern in einem Koordinatentransformator eines Adcocksystems

Publications (2)

Publication Number Publication Date
FR2226669A1 FR2226669A1 (de) 1974-11-15
FR2226669B1 true FR2226669B1 (de) 1980-07-04

Family

ID=5878983

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7413787A Expired FR2226669B1 (de) 1973-04-21 1974-04-19

Country Status (6)

Country Link
CH (1) CH567269A5 (de)
DE (1) DE2320546C2 (de)
FR (1) FR2226669B1 (de)
GB (1) GB1457308A (de)
IT (1) IT1007935B (de)
SE (1) SE399132B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2757325A1 (de) * 1977-12-22 1979-07-05 Licentia Gmbh Kombiniertes sende- empfangs- und peilantennensystem
DE2849331A1 (de) * 1978-11-14 1980-05-29 Licentia Gmbh Koordinatenwandler
DE3426567A1 (de) * 1984-07-19 1986-01-23 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Peilanordnung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1099011B (de) * 1957-03-02 1961-02-09 Dr Maximilian Waechtler Antennenreduzierschaltung fuer Doppelkanal-Sichtfunkpeiler
DE1132989B (de) * 1959-11-04 1962-07-12 Telefunken Patent Peilantennensystem mit mehreren auf einem Kreis angeordneten Einzelantennen
DE1766203A1 (de) * 1968-04-19 1971-06-16 Waechtler Maximilian Dr Polarisationsfehlerfreie Funkpeilanlage kleiner raeumlicher Abmessungen

Also Published As

Publication number Publication date
GB1457308A (en) 1976-12-01
CH567269A5 (de) 1975-09-30
DE2320546C2 (de) 1983-07-14
IT1007935B (it) 1976-10-30
SE399132B (sv) 1978-01-30
FR2226669A1 (de) 1974-11-15
DE2320546A1 (de) 1974-11-07

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Legal Events

Date Code Title Description
DL Decision of the director general to leave to make available licences of right
ST Notification of lapse
AR Application made for restoration
BR Restoration of rights
ST Notification of lapse