FR1178819A - Dispositif de radio-détermination d'une direction - Google Patents

Dispositif de radio-détermination d'une direction

Info

Publication number
FR1178819A
FR1178819A FR1178819DA FR1178819A FR 1178819 A FR1178819 A FR 1178819A FR 1178819D A FR1178819D A FR 1178819DA FR 1178819 A FR1178819 A FR 1178819A
Authority
FR
France
Prior art keywords
radio
determination
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
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.)
Svenska AB Gasaccumulator
Original Assignee
Svenska AB Gasaccumulator
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 Svenska AB Gasaccumulator filed Critical Svenska AB Gasaccumulator
Application granted granted Critical
Publication of FR1178819A publication Critical patent/FR1178819A/fr
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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR1178819D 1956-08-02 1957-07-12 Dispositif de radio-détermination d'une direction Expired FR1178819A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1178819X 1956-08-02

Publications (1)

Publication Number Publication Date
FR1178819A true FR1178819A (fr) 1959-05-15

Family

ID=20421486

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1178819D Expired FR1178819A (fr) 1956-08-02 1957-07-12 Dispositif de radio-détermination d'une direction

Country Status (1)

Country Link
FR (1) FR1178819A (fr)

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