FR844434A - Radio-electric direction indicator device - Google Patents

Radio-electric direction indicator device

Info

Publication number
FR844434A
FR844434A FR844434DA FR844434A FR 844434 A FR844434 A FR 844434A FR 844434D A FR844434D A FR 844434DA FR 844434 A FR844434 A FR 844434A
Authority
FR
France
Prior art keywords
radio
direction indicator
indicator device
electric direction
electric
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.)
RADIO AIR
Original Assignee
RADIO AIR
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 RADIO AIR filed Critical RADIO AIR
Application granted granted Critical
Publication of FR844434A publication Critical patent/FR844434A/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)
FR844434D 1938-04-01 1938-04-01 Radio-electric direction indicator device Expired FR844434A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR844434T 1938-04-01

Publications (1)

Publication Number Publication Date
FR844434A true FR844434A (en) 1939-07-25

Family

ID=9312396

Family Applications (1)

Application Number Title Priority Date Filing Date
FR844434D Expired FR844434A (en) 1938-04-01 1938-04-01 Radio-electric direction indicator device

Country Status (1)

Country Link
FR (1) FR844434A (en)

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