FR890821A - Method and device for landing blind airplanes - Google Patents

Method and device for landing blind airplanes

Info

Publication number
FR890821A
FR890821A FR890821DA FR890821A FR 890821 A FR890821 A FR 890821A FR 890821D A FR890821D A FR 890821DA FR 890821 A FR890821 A FR 890821A
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
French (fr)
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.)
Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH
Original Assignee
Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten 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 Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH filed Critical Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH
Application granted granted Critical
Publication of FR890821A publication Critical patent/FR890821A/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)
FR890821D 1941-11-17 1943-02-09 Method and device for landing blind airplanes Expired FR890821A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE890821X 1941-11-17

Publications (1)

Publication Number Publication Date
FR890821A true FR890821A (en) 1944-02-18

Family

ID=6840808

Family Applications (1)

Application Number Title Priority Date Filing Date
FR890821D Expired FR890821A (en) 1941-11-17 1943-02-09 Method and device for landing blind airplanes

Country Status (1)

Country Link
FR (1) FR890821A (en)

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