FR54651E - Procédé de repérage des avions, bateaux, etc. - Google Patents

Procédé de repérage des avions, bateaux, etc.

Info

Publication number
FR54651E
FR54651E FR54651DA FR54651E FR 54651 E FR54651 E FR 54651E FR 54651D A FR54651D A FR 54651DA FR 54651 E FR54651 E FR 54651E
Authority
FR
France
Prior art keywords
boats
locating planes
planes
locating
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)
Inventor
Gerard-Jules Lehmann
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.)
Ind Radioelectriques SA Des
Original Assignee
Ind Radioelectriques SA Des
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 Ind Radioelectriques SA Des filed Critical Ind Radioelectriques SA Des
Application granted granted Critical
Publication of FR54651E publication Critical patent/FR54651E/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)
FR54651D 1939-12-18 1939-12-18 Procédé de repérage des avions, bateaux, etc. Expired FR54651E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR54651T 1939-12-18

Publications (1)

Publication Number Publication Date
FR54651E true FR54651E (fr) 1950-07-27

Family

ID=8689087

Family Applications (1)

Application Number Title Priority Date Filing Date
FR54651D Expired FR54651E (fr) 1939-12-18 1939-12-18 Procédé de repérage des avions, bateaux, etc.

Country Status (1)

Country Link
FR (1) FR54651E (fr)

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