FR49297E - Procédé d'atterrissage des avions sans visibilité - Google Patents

Procédé d'atterrissage des avions sans visibilité

Info

Publication number
FR49297E
FR49297E FR49297DA FR49297E FR 49297 E FR49297 E FR 49297E FR 49297D A FR49297D A FR 49297DA FR 49297 E FR49297 E FR 49297E
Authority
FR
France
Prior art keywords
airplanes
landing
blind
landing blind
blind airplanes
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.)
Telefunken AG
Original Assignee
Telefunken AG
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
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 Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Application granted granted Critical
Publication of FR49297E publication Critical patent/FR49297E/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR49297D 1938-03-08 1938-03-08 Procédé d'atterrissage des avions sans visibilité Expired FR49297E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR49297T 1938-03-08

Publications (1)

Publication Number Publication Date
FR49297E true FR49297E (fr) 1939-02-16

Family

ID=8684494

Family Applications (1)

Application Number Title Priority Date Filing Date
FR49297D Expired FR49297E (fr) 1938-03-08 1938-03-08 Procédé d'atterrissage des avions sans visibilité

Country Status (1)

Country Link
FR (1) FR49297E (fr)

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