FR888486A - Montage électrique permettant de compenser l'effet d'antenne des antennes pour ondes dirigées - Google Patents

Montage électrique permettant de compenser l'effet d'antenne des antennes pour ondes dirigées

Info

Publication number
FR888486A
FR888486A FR888486DA FR888486A FR 888486 A FR888486 A FR 888486A FR 888486D A FR888486D A FR 888486DA FR 888486 A FR888486 A FR 888486A
Authority
FR
France
Prior art keywords
compensate
electrical assembly
antenna effect
wave antennas
directed wave
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)
French (fr)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR888486A publication Critical patent/FR888486A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/12—Neutralising, balancing, or compensation arrangements
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
FR888486D 1941-11-20 1942-11-20 Montage électrique permettant de compenser l'effet d'antenne des antennes pour ondes dirigées Expired FR888486A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL888486X 1941-11-20

Publications (1)

Publication Number Publication Date
FR888486A true FR888486A (fr) 1943-12-14

Family

ID=19853838

Family Applications (1)

Application Number Title Priority Date Filing Date
FR888486D Expired FR888486A (fr) 1941-11-20 1942-11-20 Montage électrique permettant de compenser l'effet d'antenne des antennes pour ondes dirigées

Country Status (3)

Country Link
BE (1) BE448074A (cs)
FR (1) FR888486A (cs)
NL (1) NL61769C (cs)

Also Published As

Publication number Publication date
NL61769C (cs)
BE448074A (cs)

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