FR1074456A - Advanced direction indicator device - Google Patents

Advanced direction indicator device

Info

Publication number
FR1074456A
FR1074456A FR1074456DA FR1074456A FR 1074456 A FR1074456 A FR 1074456A FR 1074456D A FR1074456D A FR 1074456DA FR 1074456 A FR1074456 A FR 1074456A
Authority
FR
France
Prior art keywords
direction indicator
indicator device
advanced direction
advanced
indicator
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
Other languages
French (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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi Co Ltd
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 Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Application granted granted Critical
Publication of FR1074456A publication Critical patent/FR1074456A/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)
FR1074456D 1952-04-16 1953-04-10 Advanced direction indicator device Expired FR1074456A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2695406X 1952-04-16

Publications (1)

Publication Number Publication Date
FR1074456A true FR1074456A (en) 1954-10-06

Family

ID=10913645

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1074456D Expired FR1074456A (en) 1952-04-16 1953-04-10 Advanced direction indicator device

Country Status (2)

Country Link
US (1) US2695406A (en)
FR (1) FR1074456A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3007164A (en) * 1955-04-22 1961-10-31 Ross A Davis Slot antenna which is fed at two points
GB781216A (en) * 1955-05-04 1957-08-14 Marconi Wireless Telegraph Co Improvements in or relating to receiving aerial systems
GB798218A (en) * 1955-11-23 1958-07-16 Marconi Wireless Telegraph Co Improvements in or relating to radio direction finding systems
US3028600A (en) * 1959-03-17 1962-04-03 Albert D Bailey Radio direction finding system
WO2005070022A2 (en) * 2004-01-22 2005-08-04 Hans Gregory Schantz Broadband electric-magnetic antenna apparatus and system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB470596A (en) * 1935-06-25 1937-08-18 Telefunken Gmbh Improvements in or relating to navigation aiding radio systems
GB653406A (en) * 1945-05-29 1951-05-16 Josef Briza An arrangement for radio direction-finding

Also Published As

Publication number Publication date
US2695406A (en) 1954-11-23

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