FR928738A - Perfectionnements aux systèmes de radio-phares - Google Patents

Perfectionnements aux systèmes de radio-phares

Info

Publication number
FR928738A
FR928738A FR928738DA FR928738A FR 928738 A FR928738 A FR 928738A FR 928738D A FR928738D A FR 928738DA FR 928738 A FR928738 A FR 928738A
Authority
FR
France
Prior art keywords
radio
headlight systems
headlight
systems
radio headlight
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)
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.)
Decca Record Co Ltd
Original Assignee
Decca Record Co Ltd
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 Decca Record Co Ltd filed Critical Decca Record Co Ltd
Application granted granted Critical
Publication of FR928738A publication Critical patent/FR928738A/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)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
FR928738D 1942-04-13 1946-04-18 Perfectionnements aux systèmes de radio-phares Expired FR928738A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US604462XA 1942-04-13 1942-04-13

Publications (1)

Publication Number Publication Date
FR928738A true FR928738A (fr) 1947-12-05

Family

ID=22029526

Family Applications (1)

Application Number Title Priority Date Filing Date
FR928738D Expired FR928738A (fr) 1942-04-13 1946-04-18 Perfectionnements aux systèmes de radio-phares

Country Status (4)

Country Link
BE (1) BE466300A (pm)
CH (1) CH257134A (pm)
FR (1) FR928738A (pm)
GB (1) GB604462A (pm)

Also Published As

Publication number Publication date
BE466300A (pm)
GB604462A (en) 1948-07-05
CH257134A (de) 1948-09-30

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