GB393595A - Improvements in or relating to radio direction finding apparatus - Google Patents

Improvements in or relating to radio direction finding apparatus

Info

Publication number
GB393595A
GB393595A GB33707/31A GB3370731A GB393595A GB 393595 A GB393595 A GB 393595A GB 33707/31 A GB33707/31 A GB 33707/31A GB 3370731 A GB3370731 A GB 3370731A GB 393595 A GB393595 A GB 393595A
Authority
GB
United Kingdom
Prior art keywords
coils
mutually perpendicular
grid
ambiguity
tube
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
GB33707/31A
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.)
ETS HENRY LEPAUTE
Original Assignee
ETS HENRY LEPAUTE
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 ETS HENRY LEPAUTE filed Critical ETS HENRY LEPAUTE
Publication of GB393595A publication Critical patent/GB393595A/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)
  • Audible And Visible Signals (AREA)
  • Chairs Characterized By Structure (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
GB33707/31A 1930-12-04 1931-12-04 Improvements in or relating to radio direction finding apparatus Expired GB393595A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR633773X 1930-12-04

Publications (1)

Publication Number Publication Date
GB393595A true GB393595A (en) 1933-06-06

Family

ID=8993137

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33707/31A Expired GB393595A (en) 1930-12-04 1931-12-04 Improvements in or relating to radio direction finding apparatus

Country Status (4)

Country Link
US (1) US1997111A (fr)
DE (1) DE633773C (fr)
FR (2) FR703148A (fr)
GB (1) GB393595A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE767320C (de) * 1936-04-02 1952-05-26 Lorenz A G C Einrichtung zur Feststellung reflektierender Objekte
DE767321C (de) * 1936-12-25 1952-05-26 Lorenz A G C Verfahren zur gleichzeitigen Richtungsbestimmung mittels Feldstaerke-vergleich bei Entfernungsmessungen mittels Impulsen
US2459162A (en) * 1940-11-16 1949-01-18 Harvey C Hayes Acoustical sound locating device
US2473974A (en) * 1944-05-18 1949-06-21 Schuck Oscar Hugo Underwater sound detecting and indicating system
US2468109A (en) * 1945-03-19 1949-04-26 Standard Telephones Cables Ltd Direction finder
DE1273357B (de) * 1959-02-13 1968-07-18 Ibak Helmut Hunger Verfahren zum Absuchen eines Seegebietes mittels eines Unterwasserfernsehgeraetes
US3050707A (en) * 1960-12-08 1962-08-21 Judd O Baker Method and apparatus for torpedo direction locating
US8179330B2 (en) * 2009-05-07 2012-05-15 Intel Corporation Omnidirectional wideband antenna

Also Published As

Publication number Publication date
US1997111A (en) 1935-04-09
DE633773C (de) 1936-08-05
FR703148A (fr) 1931-04-25
FR40534E (fr) 1932-07-22

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