FR567587A - Perfectionnements aux radiogoniomètres - Google Patents

Perfectionnements aux radiogoniomètres

Info

Publication number
FR567587A
FR567587A FR567587DA FR567587A FR 567587 A FR567587 A FR 567587A FR 567587D A FR567587D A FR 567587DA FR 567587 A FR567587 A FR 567587A
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
English (en)
Inventor
Ettore Bellini
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR567587A publication Critical patent/FR567587A/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
    • G01S3/12—Means for determining sense of direction, e.g. by combining signals from directional antenna or goniometer search coil with those from non-directional antenna
    • 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
    • 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
    • G01S3/085—Means for reducing polarisation errors, e.g. by use of Adcock or spaced loop antenna systems by using spaced loop aerial systems

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Coils Or Transformers For Communication (AREA)
FR567587D 1923-06-11 Perfectionnements aux radiogoniomètres Expired FR567587A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB111907D DE417134C (de) Radiowinkelmesser

Publications (1)

Publication Number Publication Date
FR567587A true FR567587A (fr) 1924-03-05

Family

ID=6993062

Family Applications (1)

Application Number Title Priority Date Filing Date
FR567587D Expired FR567587A (fr) 1923-06-11 Perfectionnements aux radiogoniomètres

Country Status (6)

Country Link
US (1) US1723461A (fr)
BE (1) BE340848A (fr)
DE (1) DE417134C (fr)
FR (1) FR567587A (fr)
GB (1) GB217585A (fr)
NL (1) NL17451C (fr)

Also Published As

Publication number Publication date
GB217585A (en) 1925-01-08
NL17451C (fr)
BE340848A (fr)
DE417134C (de) 1925-08-07
US1723461A (en) 1929-08-06

Similar Documents

Publication Publication Date Title
FR579232A (fr) Perfectionnements apportés aux antennes
FR567587A (fr) Perfectionnements aux radiogoniomètres
FR571453A (fr) Perfectionnements aux chaudières
FR589567A (fr) Perfectionnements aux enseignes
FR573781A (fr) Perfectionnements aux boîtes
FR569043A (fr) Perfectionnements aux évaporateurs verticaux
FR568598A (fr) Perfectionnements aux parqueteuses
FR589810A (fr) Perfectionnements aux thermo-siphons
FR564047A (fr) Perfectionnements aux bioyclettes
FR572322A (fr) Perfectionnements aux
FR580437A (fr) Perfectionnements apportés aux véhicules
FR565683A (fr) Perfectionnements aux carrosseries dites
FR29671E (fr) Perfectionnements aux radiogoniomètres
FR30309E (fr) Perfectionnements aux radiogoniomètres
FR602364A (fr) Perfectionnements aux radiogoniomètres
FR582145A (fr) Perfectionnements aux isolateurs
FR562034A (fr) Perfectionnements aux pompes
FR30525E (fr) Perfectionnements aux postes radio-récepteurs
FR567774A (fr) Perfectionnements aux ccrsets
FR572615A (fr) Perfectionnements aux biblorhaptes
FR567069A (fr) Perfectionnements aux broyeurs-pulvérisateurs
FR574142A (fr) Perfectionnements aux broyeurs-diviseurs
FR567818A (fr) Perfectionnements apportés aux bluteries
FR566942A (fr) Perfectionnements aux limonières
FR564339A (fr) Perfectionnements apportés aux alandiers