FR798481A - Aériens sans erreur de nuit pour radiogoniomètres - Google Patents

Aériens sans erreur de nuit pour radiogoniomètres

Info

Publication number
FR798481A
FR798481A FR798481DA FR798481A FR 798481 A FR798481 A FR 798481A FR 798481D A FR798481D A FR 798481DA FR 798481 A FR798481 A FR 798481A
Authority
FR
France
Prior art keywords
aerial
night
error
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
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 filed Critical
Application granted granted Critical
Publication of FR798481A publication Critical patent/FR798481A/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
    • G01S3/08—Means for reducing polarisation errors, e.g. by use of Adcock or spaced loop antenna systems

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Support Of Aerials (AREA)
FR798481D 1935-02-15 1935-02-15 Aériens sans erreur de nuit pour radiogoniomètres Expired FR798481A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR666193X 1935-02-15

Publications (1)

Publication Number Publication Date
FR798481A true FR798481A (fr) 1936-05-18

Family

ID=9013735

Family Applications (1)

Application Number Title Priority Date Filing Date
FR798481D Expired FR798481A (fr) 1935-02-15 1935-02-15 Aériens sans erreur de nuit pour radiogoniomètres

Country Status (2)

Country Link
DE (1) DE666193C (fr)
FR (1) FR798481A (fr)

Also Published As

Publication number Publication date
DE666193C (de) 1938-10-13

Similar Documents

Publication Publication Date Title
FR798481A (fr) Aériens sans erreur de nuit pour radiogoniomètres
FR788796A (fr) Dispositif de radiogoniomètre sans erreur de nuit
FR790778A (fr) Viseur télémétrique
FR793957A (fr) Radiogoniomètre sans erreur de nuit
FR805595A (fr) Systèmes d'antennes pour l'atterrissage des avions sans visibilité
FR823759A (fr) Boussole
FR779494A (fr) Compas de repérage
FR808335A (fr) Systèmes de
FR806625A (fr) Voiture de terrain
FR789579A (fr) Indicateur gyroscopique de direction
FR803377A (fr) Engin nautique
CA352040A (fr) Systeme d'antenne
CA348469A (fr) Systeme d'antenne
FR815324A (fr) Enregistreur de route
AU2401335A (en) Rangefinder for cameras
CA328832A (fr) Systeme de signalisation de navigation aerienne
FR825956A (fr) Télémètre pour avions
CA350571A (fr) Systeme de reperage
DK55312C (da) Anlæg til Overføring af Fjernskrift over store Afstande.
FR819366A (fr) Gouvernail pour véhicules aquatiques ou aériens
FR813252A (fr) Indicateur de direction
DK52436C (da) Centrumsfinder.
CA355047A (fr) Systeme de signalisation
CA352388A (fr) Systeme de signalisation
CA353068A (fr) Systeme de signaux