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FR57661E - Directed antenna systems - Google Patents

Directed antenna systems

Info

Publication number
FR57661E
FR57661E FR57661DA FR57661E FR 57661 E FR57661 E FR 57661E FR 57661D A FR57661D A FR 57661DA FR 57661 E FR57661 E FR 57661E
Authority
FR
France
Prior art keywords
antenna systems
directed antenna
directed
systems
antenna
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
Henri-Gaston Busignies
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR57661E publication Critical patent/FR57661E/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)
FR57661D 1947-08-06 1947-08-06 Directed antenna systems Expired FR57661E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR57661T 1947-08-06

Publications (1)

Publication Number Publication Date
FR57661E true FR57661E (en) 1953-05-04

Family

ID=8691683

Family Applications (1)

Application Number Title Priority Date Filing Date
FR57661D Expired FR57661E (en) 1947-08-06 1947-08-06 Directed antenna systems

Country Status (1)

Country Link
FR (1) FR57661E (en)

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