CA966216A - Automatic radio direction finders - Google Patents

Automatic radio direction finders

Info

Publication number
CA966216A
CA966216A CA139254343-115A CA139254A CA966216A CA 966216 A CA966216 A CA 966216A CA 139254 A CA139254 A CA 139254A CA 966216 A CA966216 A CA 966216A
Authority
CA
Canada
Prior art keywords
radio direction
direction finders
automatic radio
finders
automatic
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
CA139254343-115A
Other versions
CA139254S (en
Inventor
Richard V. Thorndick
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.)
CMC Electronics Inc
Original Assignee
Canadian Marconi Co
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 Canadian Marconi Co filed Critical Canadian Marconi Co
Application granted granted Critical
Publication of CA966216A publication Critical patent/CA966216A/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
    • G01S3/38—Systems 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
    • G01S3/42—Systems 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

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)
CA139254343-115A 1972-03-06 1972-04-07 Automatic radio direction finders Expired CA966216A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB894471A GB1368466A (en) 1972-03-06 1972-03-06 Automatic radio direction finders

Publications (1)

Publication Number Publication Date
CA966216A true CA966216A (en) 1975-04-15

Family

ID=9862340

Family Applications (1)

Application Number Title Priority Date Filing Date
CA139254343-115A Expired CA966216A (en) 1972-03-06 1972-04-07 Automatic radio direction finders

Country Status (2)

Country Link
CA (1) CA966216A (en)
GB (1) GB1368466A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9414256D0 (en) * 1994-07-14 1994-08-31 Duffy Brian Range detection

Also Published As

Publication number Publication date
GB1368466A (en) 1974-09-25

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