FR50924E - Perfectionnements aux antennes de t.s.f. - Google Patents

Perfectionnements aux antennes de t.s.f.

Info

Publication number
FR50924E
FR50924E FR50924DA FR50924E FR 50924 E FR50924 E FR 50924E FR 50924D A FR50924D A FR 50924DA FR 50924 E FR50924 E FR 50924E
Authority
FR
France
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.)
Ind Radioelectriques SA Des
Original Assignee
Ind Radioelectriques SA Des
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 Ind Radioelectriques SA Des filed Critical Ind Radioelectriques SA Des
Application granted granted Critical
Publication of FR50924E publication Critical patent/FR50924E/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
    • 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)
FR50924D 1939-12-19 1939-12-19 Perfectionnements aux antennes de t.s.f. Expired FR50924E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR50924T 1939-12-19

Publications (1)

Publication Number Publication Date
FR50924E true FR50924E (fr) 1941-05-10

Family

ID=8685868

Family Applications (1)

Application Number Title Priority Date Filing Date
FR50924D Expired FR50924E (fr) 1939-12-19 1939-12-19 Perfectionnements aux antennes de t.s.f.

Country Status (1)

Country Link
FR (1) FR50924E (fr)

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