FR947112A - Perfectionnements aux radiophares à double modulation - Google Patents

Perfectionnements aux radiophares à double modulation

Info

Publication number
FR947112A
FR947112A FR947112DA FR947112A FR 947112 A FR947112 A FR 947112A FR 947112D A FR947112D A FR 947112DA FR 947112 A FR947112 A FR 947112A
Authority
FR
France
Prior art keywords
radiobeacon
double modulation
modulation
double
radiobeacon improvements
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
Claude Bourgonnier
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.)
SOC IND DES PROCEDES LOTH
Original Assignee
SOC IND DES PROCEDES LOTH
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 SOC IND DES PROCEDES LOTH filed Critical SOC IND DES PROCEDES LOTH
Application granted granted Critical
Publication of FR947112A publication Critical patent/FR947112A/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)
FR947112D 1944-05-02 1944-05-02 Perfectionnements aux radiophares à double modulation Expired FR947112A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR947112T 1944-05-02

Publications (1)

Publication Number Publication Date
FR947112A true FR947112A (fr) 1949-06-23

Family

ID=9473315

Family Applications (1)

Application Number Title Priority Date Filing Date
FR947112D Expired FR947112A (fr) 1944-05-02 1944-05-02 Perfectionnements aux radiophares à double modulation

Country Status (1)

Country Link
FR (1) FR947112A (fr)

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