FR34488E - - Google Patents

Info

Publication number
FR34488E
FR34488E FR34488DA FR34488E FR 34488 E FR34488 E FR 34488E FR 34488D A FR34488D A FR 34488DA FR 34488 E FR34488 E FR 34488E
Authority
FR
France
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)
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.)
Publication date
Application granted granted Critical
Publication of FR34488E publication Critical patent/FR34488E/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
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G01S3/143—Systems for determining direction or deviation from predetermined direction by vectorial combination of signals derived from differently oriented antennae
    • 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
    • G01S1/00—Beacons 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
    • G01S1/02—Beacons 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)
FR34488D 1927-03-16 Expired FR34488E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR648804T 1927-03-16

Publications (1)

Publication Number Publication Date
FR34488E true FR34488E (en) 1929-06-19

Family

ID=9002888

Family Applications (2)

Application Number Title Priority Date Filing Date
FR34488D Expired FR34488E (en) 1927-03-16
FR648804D Expired FR648804A (en) 1927-03-16 1927-03-16 Electric indicator, single and double, of direction angle of electric waves or transformable into electricity

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR648804D Expired FR648804A (en) 1927-03-16 1927-03-16 Electric indicator, single and double, of direction angle of electric waves or transformable into electricity

Country Status (1)

Country Link
FR (2) FR648804A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE872581C (en) * 1939-10-16 1953-04-02 Saba Gmbh Method and device for direction finding of electromagnetic waves, in particular radio waves

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE872581C (en) * 1939-10-16 1953-04-02 Saba Gmbh Method and device for direction finding of electromagnetic waves, in particular radio waves

Also Published As

Publication number Publication date
FR648804A (en) 1928-12-14

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