FR771566A - Improvements to direction finders - Google Patents

Improvements to direction finders

Info

Publication number
FR771566A
FR771566A FR771566DA FR771566A FR 771566 A FR771566 A FR 771566A FR 771566D A FR771566D A FR 771566DA FR 771566 A FR771566 A FR 771566A
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)
Inventor
Ettore Bellini
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 filed Critical
Application granted granted Critical
Publication of FR771566A publication Critical patent/FR771566A/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
    • G01S3/10—Means for reducing or compensating for quadrantal, site, or like errors

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Support Of Aerials (AREA)
  • Details Of Aerials (AREA)
FR771566D 1933-07-10 1933-07-10 Improvements to direction finders Expired FR771566A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR771566T 1933-07-10

Publications (1)

Publication Number Publication Date
FR771566A true FR771566A (en) 1934-10-12

Family

ID=9191157

Family Applications (1)

Application Number Title Priority Date Filing Date
FR771566D Expired FR771566A (en) 1933-07-10 1933-07-10 Improvements to direction finders

Country Status (2)

Country Link
US (1) US2095588A (en)
FR (1) FR771566A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2933730A (en) * 1958-04-25 1960-04-19 William W Main Directional radio antenna attachment for surveyors transits
US2959782A (en) * 1958-11-14 1960-11-08 Jr Philip S Carter Direction finding antenna
DE3769825D1 (en) * 1986-03-26 1991-06-13 Siemens Ag MOUNTING A MAGNETIC PROBE FOR NAVIGATION ON A MOTOR VEHICLE.
US8816933B2 (en) * 2008-10-23 2014-08-26 Troll Systems Corporation Directional diversity receive system

Also Published As

Publication number Publication date
US2095588A (en) 1937-10-12

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