GB512705A - Directional antenna systems - Google Patents

Directional antenna systems

Info

Publication number
GB512705A
GB512705A GB37034/38A GB3703438A GB512705A GB 512705 A GB512705 A GB 512705A GB 37034/38 A GB37034/38 A GB 37034/38A GB 3703438 A GB3703438 A GB 3703438A GB 512705 A GB512705 A GB 512705A
Authority
GB
United Kingdom
Prior art keywords
directional antenna
antenna systems
systems
directional
antenna
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
GB37034/38A
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.)
Alcatel Lucent Deutschland AG
C Lorenz AG
Original Assignee
Standard Elektrik Lorenz AG
C Lorenz AG
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 Standard Elektrik Lorenz AG, C Lorenz AG filed Critical Standard Elektrik Lorenz AG
Publication of GB512705A publication Critical patent/GB512705A/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
    • G01S3/04—Details
    • G01S3/08—Means for reducing polarisation errors, e.g. by use of Adcock or spaced loop antenna systems
    • 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
    • G01S3/04—Details
    • G01S3/06—Means for increasing effective directivity, e.g. by combining signals having differently oriented directivity characteristics or by sharpening the envelope waveform of the signal derived from a rotating or oscillating beam antenna

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)
  • Support Of Aerials (AREA)
  • Aerials With Secondary Devices (AREA)
GB37034/38A 1937-12-20 1938-12-20 Directional antenna systems Expired GB512705A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE512705X 1937-12-20

Publications (1)

Publication Number Publication Date
GB512705A true GB512705A (en) 1939-09-22

Family

ID=6548207

Family Applications (1)

Application Number Title Priority Date Filing Date
GB37034/38A Expired GB512705A (en) 1937-12-20 1938-12-20 Directional antenna systems

Country Status (4)

Country Link
US (1) US2248762A (pm)
FR (1) FR847721A (pm)
GB (1) GB512705A (pm)
NL (2) NL54848C (pm)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2422026A (en) * 1943-07-28 1947-06-10 Rca Corp Radio direction finding
US2922158A (en) * 1956-05-14 1960-01-19 Boeing Co Radar corner reflector with electrically conductive liquid reflective surface

Also Published As

Publication number Publication date
US2248762A (en) 1941-07-08
FR847721A (fr) 1939-10-16
NL91154B (pm)
NL54848C (pm)

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