FR854002A - Improvements to antenna systems for radio beacons - Google Patents

Improvements to antenna systems for radio beacons

Info

Publication number
FR854002A
FR854002A FR854002DA FR854002A FR 854002 A FR854002 A FR 854002A FR 854002D A FR854002D A FR 854002DA FR 854002 A FR854002 A FR 854002A
Authority
FR
France
Prior art keywords
antenna systems
radio beacons
beacons
radio
antenna
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
French (fr)
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 Radio Electr SA Des
Original Assignee
Ind Radio Electr 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 Radio Electr SA Des filed Critical Ind Radio Electr SA Des
Application granted granted Critical
Publication of FR854002A publication Critical patent/FR854002A/en
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)
FR854002D 1938-12-01 1938-12-01 Improvements to antenna systems for radio beacons Expired FR854002A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR854002T 1938-12-01

Publications (1)

Publication Number Publication Date
FR854002A true FR854002A (en) 1940-04-03

Family

ID=9327419

Family Applications (1)

Application Number Title Priority Date Filing Date
FR854002D Expired FR854002A (en) 1938-12-01 1938-12-01 Improvements to antenna systems for radio beacons

Country Status (1)

Country Link
FR (1) FR854002A (en)

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