NL291169A - - Google Patents

Info

Publication number
NL291169A
NL291169A NL291169DA NL291169A NL 291169 A NL291169 A NL 291169A NL 291169D A NL291169D A NL 291169DA NL 291169 A NL291169 A NL 291169A
Authority
NL
Netherlands
Application number
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.)
Publication of NL291169A publication Critical patent/NL291169A/xx

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
    • G01S3/38Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal
    • G01S3/42Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal the desired condition being maintained automatically
    • 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
    • G01S1/00Beacons 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
    • G01S1/02Beacons 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
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
NL291169D 1962-04-11 NL291169A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB14048/62A GB966467A (en) 1962-04-11 1962-04-11 Improvements in or relating to radio direction finding systems

Publications (1)

Publication Number Publication Date
NL291169A true NL291169A (xx)

Family

ID=10034044

Family Applications (1)

Application Number Title Priority Date Filing Date
NL291169D NL291169A (xx) 1962-04-11

Country Status (4)

Country Link
US (1) US3167773A (xx)
GB (1) GB966467A (xx)
NL (1) NL291169A (xx)
SE (1) SE322566B (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5099248A (en) * 1991-03-15 1992-03-24 Lockheed Sanders, Inc. Transmission signal direction finding apparatus and method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2903576A (en) * 1955-09-29 1959-09-08 Itt Diversity receiving combining system
GB835059A (en) * 1957-05-20 1960-05-18 Marconi Wireless Telegraph Co Improvements in or relating to radio direction finders

Also Published As

Publication number Publication date
GB966467A (en) 1964-08-12
US3167773A (en) 1965-01-26
SE322566B (xx) 1970-04-13

Similar Documents

Publication Publication Date Title
BE625379A (xx)
BE615523A (xx)
SE322566B (xx)
BE635188A (xx)
BE634675A (xx)
BE634652A (xx)
BE634353A (xx)
BE633800A (xx)
BE631831A (xx)
AU269855A (xx)
AU480751A (xx)
BE628074A (xx)
BE489310A (xx)
BE538252A (xx)
BE538831A (xx)
BE541929A (xx)
BE553896A (xx)
BE559145A (xx)
BE586180A (xx)
BE592434A (xx)
BE599783A (xx)
BE604335A (xx)
BE608197A (xx)
BE609543A (xx)
BE612190A (xx)