FR57291E - Improvements to aircraft landing systems and devices in poor visibility - Google Patents

Improvements to aircraft landing systems and devices in poor visibility

Info

Publication number
FR57291E
FR57291E FR57291DA FR57291E FR 57291 E FR57291 E FR 57291E FR 57291D A FR57291D A FR 57291DA FR 57291 E FR57291 E FR 57291E
Authority
FR
France
Prior art keywords
devices
aircraft landing
poor visibility
landing systems
systems
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
French (fr)
Inventor
Pierre Perilhou
Jean Bouzitat
Claude Ducot
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.)
Office National dEtudes et de Recherches Aerospatiales ONERA
Original Assignee
Office National dEtudes et de Recherches Aerospatiales ONERA
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 Office National dEtudes et de Recherches Aerospatiales ONERA filed Critical Office National dEtudes et de Recherches Aerospatiales ONERA
Application granted granted Critical
Publication of FR57291E publication Critical patent/FR57291E/en
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)
FR57291D 1948-02-19 1948-02-19 Improvements to aircraft landing systems and devices in poor visibility Expired FR57291E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR57292T 1948-02-19

Publications (1)

Publication Number Publication Date
FR57291E true FR57291E (en) 1952-12-31

Family

ID=8691361

Family Applications (2)

Application Number Title Priority Date Filing Date
FR57292D Expired FR57292E (en) 1948-02-19 1948-02-19 Improvements to aircraft landing systems and devices in poor visibility
FR57291D Expired FR57291E (en) 1948-02-19 1948-02-19 Improvements to aircraft landing systems and devices in poor visibility

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR57292D Expired FR57292E (en) 1948-02-19 1948-02-19 Improvements to aircraft landing systems and devices in poor visibility

Country Status (1)

Country Link
FR (2) FR57292E (en)

Also Published As

Publication number Publication date
FR57292E (en) 1952-12-31

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