ES172612A1 - IMPROVEMENTS IN RADIOGONIOMETERS - Google Patents

IMPROVEMENTS IN RADIOGONIOMETERS

Info

Publication number
ES172612A1
ES172612A1 ES172612A ES172612A ES172612A1 ES 172612 A1 ES172612 A1 ES 172612A1 ES 172612 A ES172612 A ES 172612A ES 172612 A ES172612 A ES 172612A ES 172612 A1 ES172612 A1 ES 172612A1
Authority
ES
Spain
Prior art keywords
radiogoniometers
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
ES172612A
Other languages
Spanish (es)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
Standard Electrica SA
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 Alcatel Espana SA, Standard Electrica SA filed Critical Alcatel Espana SA
Publication of ES172612A1 publication Critical patent/ES172612A1/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
    • G01S3/06—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
    • G01S3/065—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 by using non-directional aerial

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Near-Field Transmission Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
ES172612A 1944-11-28 1946-02-19 IMPROVEMENTS IN RADIOGONIOMETERS Expired ES172612A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB23751/44A GB587502A (en) 1944-11-28 1944-11-28 Improvements in direction finders

Publications (1)

Publication Number Publication Date
ES172612A1 true ES172612A1 (en) 1946-03-16

Family

ID=10200711

Family Applications (1)

Application Number Title Priority Date Filing Date
ES172612A Expired ES172612A1 (en) 1944-11-28 1946-02-19 IMPROVEMENTS IN RADIOGONIOMETERS

Country Status (4)

Country Link
US (1) US2489290A (en)
ES (1) ES172612A1 (en)
FR (1) FR941697A (en)
GB (1) GB587502A (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2003932A (en) * 1932-12-27 1935-06-04 John W Greig Radio direction finder
US2107633A (en) * 1935-03-04 1938-02-08 Frederick J Hooven Direction finder
US2257594A (en) * 1938-07-06 1941-09-30 Csf Direct reading radio goniometer
US2321478A (en) * 1941-10-13 1943-06-08 Hazeltine Corp Ultra-high-frequency carriersignal translating system

Also Published As

Publication number Publication date
FR941697A (en) 1949-01-18
GB587502A (en) 1947-04-28
US2489290A (en) 1949-11-29

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