FR854152A - Perfectionnements aux appareils correcteurs de repérage des aéronefs - Google Patents

Perfectionnements aux appareils correcteurs de repérage des aéronefs

Info

Publication number
FR854152A
FR854152A FR854152DA FR854152A FR 854152 A FR854152 A FR 854152A FR 854152D A FR854152D A FR 854152DA FR 854152 A FR854152 A FR 854152A
Authority
FR
France
Prior art keywords
corrective
aircraft
spotting devices
spotting
devices
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.)
Anciens Etablissements Barbier Benard and Turenne SA
Original Assignee
Anciens Etablissements Barbier Benard and Turenne 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 Anciens Etablissements Barbier Benard and Turenne SA filed Critical Anciens Etablissements Barbier Benard and Turenne SA
Application granted granted Critical
Publication of FR854152A publication Critical patent/FR854152A/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
    • G01S1/72—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 ultrasonic, sonic or infrasonic 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)
FR854152D 1938-12-16 1938-12-16 Perfectionnements aux appareils correcteurs de repérage des aéronefs Expired FR854152A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR854152T 1938-12-16

Publications (1)

Publication Number Publication Date
FR854152A true FR854152A (fr) 1940-04-06

Family

ID=9327567

Family Applications (1)

Application Number Title Priority Date Filing Date
FR854152D Expired FR854152A (fr) 1938-12-16 1938-12-16 Perfectionnements aux appareils correcteurs de repérage des aéronefs

Country Status (1)

Country Link
FR (1) FR854152A (fr)

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