FR994289A - Procédé et dispositifs de radiogoniométrie - Google Patents

Procédé et dispositifs de radiogoniométrie

Info

Publication number
FR994289A
FR994289A FR994289DA FR994289A FR 994289 A FR994289 A FR 994289A FR 994289D A FR994289D A FR 994289DA FR 994289 A FR994289 A FR 994289A
Authority
FR
France
Prior art keywords
devices
direction finding
finding method
finding
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
Fernand-Georges Bac
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 FR994289A publication Critical patent/FR994289A/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S3/00Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02Direction-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
    • G01S3/04Details
    • G01S3/06Means 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
    • G01S3/065Means 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S1/00Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR994289D 1945-01-05 1945-01-05 Procédé et dispositifs de radiogoniométrie Expired FR994289A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR994289T 1945-01-05

Publications (1)

Publication Number Publication Date
FR994289A true FR994289A (fr) 1951-11-14

Family

ID=9556281

Family Applications (1)

Application Number Title Priority Date Filing Date
FR994289D Expired FR994289A (fr) 1945-01-05 1945-01-05 Procédé et dispositifs de radiogoniométrie

Country Status (1)

Country Link
FR (1) FR994289A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10780906B2 (en) 2016-01-28 2020-09-22 Chep Technology Pty Limited Dolly for transporting products

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10780906B2 (en) 2016-01-28 2020-09-22 Chep Technology Pty Limited Dolly for transporting products

Similar Documents

Publication Publication Date Title
FR911430A (fr) Organe de serrage et ses applications
FR920581A (fr) Procédé et dispositifs de réfrigération des véhicules
FR994289A (fr) Procédé et dispositifs de radiogoniométrie
FR907410A (fr) Procédé et dispositifs de locomotion
FR56191E (fr) Procédé et dispositifs de radiogoniométrie
FR910590A (fr) Procédé de construction
FR911678A (fr) Procédé de construction
FR914244A (fr) Procédé, dispositifs et moyens de séchage
FR942751A (fr) Procédé et dispositifs de parachutage
FR915938A (fr) Procédé et dispositifs pour remblayer ou creuser
FR938957A (fr) Dispositifs de capacité négative
FR933717A (fr) Procédé perfectionné de polymérisation
FR918462A (fr) Procédé de nitration
FR993880A (fr) Procédé et installation de radiogoniométrie
FR997303A (fr) Variateur de vitesses
FR921447A (fr) Procédé et dispositifs de modulation à deux canaux sur porteuse unique
FR935569A (fr) Procédé de soudure
FR914551A (fr) Avancon
FR908801A (fr) Ouvre-boîte
FR919564A (fr) Procédé de construction
FR910818A (fr) Procédé de construction
FR998433A (fr) Procédé de construction
FR921851A (fr) Procédé de construction
ES170534A1 (es) Aparato de neumotórax
FR1014356A (fr) Procédé et dispositif de radiogoniométrie