FR969957A - Perfectionnements aux systèmes de radio-atterrissage - Google Patents

Perfectionnements aux systèmes de radio-atterrissage

Info

Publication number
FR969957A
FR969957A FR969957DA FR969957A FR 969957 A FR969957 A FR 969957A FR 969957D A FR969957D A FR 969957DA FR 969957 A FR969957 A FR 969957A
Authority
FR
France
Prior art keywords
landing systems
radio landing
radio
systems
landing
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
Joseph Aicardi
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.)
Sadir Carpentier SA
Original Assignee
Sadir Carpentier 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 Sadir Carpentier SA filed Critical Sadir Carpentier SA
Application granted granted Critical
Publication of FR969957A publication Critical patent/FR969957A/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
    • G01S1/08—Systems for determining direction or position line
    • G01S1/20—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems
    • G01S1/22—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems the synchronised signals being frequency modulations on carrier waves and the transit times being compared by measuring difference of instantaneous frequencies of received carrier 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)
FR969957D 1948-07-29 1948-07-29 Perfectionnements aux systèmes de radio-atterrissage Expired FR969957A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR969957T 1948-07-29

Publications (1)

Publication Number Publication Date
FR969957A true FR969957A (fr) 1950-12-28

Family

ID=9502330

Family Applications (1)

Application Number Title Priority Date Filing Date
FR969957D Expired FR969957A (fr) 1948-07-29 1948-07-29 Perfectionnements aux systèmes de radio-atterrissage

Country Status (1)

Country Link
FR (1) FR969957A (fr)

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