FR772462A - Système de signalisation à haute fréquence - Google Patents

Système de signalisation à haute fréquence

Info

Publication number
FR772462A
FR772462A FR772462DA FR772462A FR 772462 A FR772462 A FR 772462A FR 772462D A FR772462D A FR 772462DA FR 772462 A FR772462 A FR 772462A
Authority
FR
France
Prior art keywords
high frequency
signaling system
frequency signaling
signaling
frequency
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)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR772462A publication Critical patent/FR772462A/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
    • 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
    • G01S1/022—Means for monitoring or calibrating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Details Of Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
FR772462D 1933-04-29 1934-04-26 Système de signalisation à haute fréquence Expired FR772462A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US668595A US2279062A (en) 1933-04-29 1933-04-29 High frequency signaling system

Publications (1)

Publication Number Publication Date
FR772462A true FR772462A (fr) 1934-10-30

Family

ID=24682979

Family Applications (1)

Application Number Title Priority Date Filing Date
FR772462D Expired FR772462A (fr) 1933-04-29 1934-04-26 Système de signalisation à haute fréquence

Country Status (4)

Country Link
US (1) US2279062A (fr)
DE (1) DE614262C (fr)
FR (1) FR772462A (fr)
GB (1) GB442003A (fr)

Also Published As

Publication number Publication date
US2279062A (en) 1942-04-07
GB442003A (en) 1936-01-30
DE614262C (de) 1935-06-11

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