FR733214A - Improvements to direction finders - Google Patents

Improvements to direction finders

Info

Publication number
FR733214A
FR733214A FR733214DA FR733214A FR 733214 A FR733214 A FR 733214A FR 733214D A FR733214D A FR 733214DA FR 733214 A FR733214 A FR 733214A
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 FR733214A publication Critical patent/FR733214A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR733214D 1931-05-13 1931-05-13 Improvements to direction finders Expired FR733214A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR733214T 1931-05-13

Publications (1)

Publication Number Publication Date
FR733214A true FR733214A (en) 1932-10-03

Family

ID=9124699

Family Applications (1)

Application Number Title Priority Date Filing Date
FR733214D Expired FR733214A (en) 1931-05-13 1931-05-13 Improvements to direction finders

Country Status (1)

Country Link
FR (1) FR733214A (en)

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