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FR947099A - Perfectionnement aux procédés de balisage hertzien - Google Patents

Perfectionnement aux procédés de balisage hertzien

Info

Publication number
FR947099A
FR947099A FR947099DA FR947099A FR 947099 A FR947099 A FR 947099A FR 947099D A FR947099D A FR 947099DA FR 947099 A FR947099 A FR 947099A
Authority
FR
France
Prior art keywords
improvement
wireless beaconing
processes
beaconing processes
wireless
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
Claude Bourgonnier
Leon Rubin
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.)
D APP HAUTE FREQUENCE RADIOSCI
Original Assignee
D APP HAUTE FREQUENCE RADIOSCI
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 D APP HAUTE FREQUENCE RADIOSCI filed Critical D APP HAUTE FREQUENCE RADIOSCI
Application granted granted Critical
Publication of FR947099A publication Critical patent/FR947099A/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)
FR947099D 1942-01-22 1942-01-22 Perfectionnement aux procédés de balisage hertzien Expired FR947099A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR947099T 1942-01-22

Publications (1)

Publication Number Publication Date
FR947099A true FR947099A (fr) 1949-06-22

Family

ID=9473303

Family Applications (1)

Application Number Title Priority Date Filing Date
FR947099D Expired FR947099A (fr) 1942-01-22 1942-01-22 Perfectionnement aux procédés de balisage hertzien

Country Status (1)

Country Link
FR (1) FR947099A (fr)

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