GB1475414A - Direction finder - Google Patents

Direction finder

Info

Publication number
GB1475414A
GB1475414A GB2489574A GB2489574A GB1475414A GB 1475414 A GB1475414 A GB 1475414A GB 2489574 A GB2489574 A GB 2489574A GB 2489574 A GB2489574 A GB 2489574A GB 1475414 A GB1475414 A GB 1475414A
Authority
GB
United Kingdom
Prior art keywords
waves
incidence
voltages
amplitude
computer
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
GB2489574A
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.)
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 GB1475414A publication Critical patent/GB1475414A/en
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
    • G01S3/143—Systems 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)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB2489574A 1973-06-06 1974-06-05 Direction finder Expired GB1475414A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732328720 DE2328720B2 (de) 1973-06-06 1973-06-06 Peiler

Publications (1)

Publication Number Publication Date
GB1475414A true GB1475414A (en) 1977-06-01

Family

ID=5883161

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2489574A Expired GB1475414A (en) 1973-06-06 1974-06-05 Direction finder

Country Status (6)

Country Link
AT (1) AT349073B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH576151A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2328720B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2232765B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1475414A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1014714B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4626859A (en) * 1983-10-07 1986-12-02 Racal Research Limited Direction finding systems
WO2003100452A1 (en) * 2002-05-29 2003-12-04 Lior Baussi Direction finding cell phones

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3174872D1 (en) * 1980-04-04 1986-07-31 Mc Donnell Douglas Corp Remote object position and orientation locator
US4346384A (en) 1980-06-30 1982-08-24 The Austin Company Remote object position and orientation locator
DE3017797A1 (de) * 1980-05-09 1981-11-12 Fried. Krupp Gmbh, 4300 Essen Verfahren zum bestimmen der einfallsrichtungen
DE3522838A1 (de) * 1985-06-26 1987-01-08 Heinrich Pfitzner Ges Fuer Nac Digitaler such- und aufklaerungsempfaenger (eloka)
US4737794A (en) * 1985-12-09 1988-04-12 Mcdonnell Douglas Corporation Method and apparatus for determining remote object orientation and position
US4742356A (en) * 1985-12-09 1988-05-03 Mcdonnell Douglas Corporation Method and apparatus for determining remote object orientation and position
DE4407716A1 (de) * 1994-03-08 1995-09-21 Plath Naut Elektron Tech Verfahren zur Auflösung kohärenter Wellenfelder unter Anwendung hochauflösender Spektralschätzmethoden
FR2938345B1 (fr) * 2008-11-07 2010-12-31 Thales Sa Procede de determination de la direction d'arrivee d'une onde electromagnetique

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4626859A (en) * 1983-10-07 1986-12-02 Racal Research Limited Direction finding systems
WO2003100452A1 (en) * 2002-05-29 2003-12-04 Lior Baussi Direction finding cell phones

Also Published As

Publication number Publication date
DE2328720B2 (de) 1975-10-02
AT349073B (de) 1979-03-26
DE2328720A1 (de) 1974-12-19
IT1014714B (it) 1977-04-30
ATA463374A (de) 1978-08-15
FR2232765A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-01-03
CH576151A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1976-05-31
FR2232765B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1980-04-11

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Legal Events

Date Code Title Description
PS Patent sealed
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee