FR862730A - Improvements to direction finders - Google Patents

Improvements to direction finders

Info

Publication number
FR862730A
FR862730A FR862730DA FR862730A FR 862730 A FR862730 A FR 862730A FR 862730D A FR862730D A FR 862730DA FR 862730 A FR862730 A FR 862730A
Authority
FR
France
Prior art keywords
direction finders
finders
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 FR862730A publication Critical patent/FR862730A/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
    • G01S1/00—Beacons 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
    • G01S1/02—Beacons 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Rehabilitation Tools (AREA)
FR862730D 1939-01-28 1940-01-03 Improvements to direction finders Expired FR862730A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2989/39A GB524361A (en) 1939-01-28 1939-01-28 Improvements in or relating to radiogoniometers

Publications (1)

Publication Number Publication Date
FR862730A true FR862730A (en) 1941-03-13

Family

ID=9749807

Family Applications (1)

Application Number Title Priority Date Filing Date
FR862730D Expired FR862730A (en) 1939-01-28 1940-01-03 Improvements to direction finders

Country Status (4)

Country Link
US (1) US2271517A (en)
DE (1) DE749562C (en)
FR (1) FR862730A (en)
GB (1) GB524361A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2985876A (en) * 1957-01-23 1961-05-23 Marconi Wireless Telegraph Co Aerial systems
US3771085A (en) * 1971-08-10 1973-11-06 Tokyo Keiki Kk Deviation detecting apparatus

Also Published As

Publication number Publication date
GB524361A (en) 1940-08-05
DE749562C (en) 1944-11-25
US2271517A (en) 1942-02-03

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