FR948987A - Improvements to direction indicator radio systems - Google Patents

Improvements to direction indicator radio systems

Info

Publication number
FR948987A
FR948987A FR948987DA FR948987A FR 948987 A FR948987 A FR 948987A FR 948987D A FR948987D A FR 948987DA FR 948987 A FR948987 A FR 948987A
Authority
FR
France
Prior art keywords
direction indicator
radio systems
indicator radio
systems
radio
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.)
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 FR948987A publication Critical patent/FR948987A/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)
  • Position Fixing By Use Of Radio Waves (AREA)
FR948987D 1946-02-06 1947-07-04 Improvements to direction indicator radio systems Expired FR948987A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB372446A GB620488A (en) 1946-02-06 1946-02-06 Improvements in or relating to radio direction indicating systems

Publications (1)

Publication Number Publication Date
FR948987A true FR948987A (en) 1949-08-17

Family

ID=9763761

Family Applications (1)

Application Number Title Priority Date Filing Date
FR948987D Expired FR948987A (en) 1946-02-06 1947-07-04 Improvements to direction indicator radio systems

Country Status (2)

Country Link
FR (1) FR948987A (en)
GB (1) GB620488A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2626392A (en) * 1946-02-06 1953-01-20 Decca Record Co Ltd Radio direction indicating system

Also Published As

Publication number Publication date
GB620488A (en) 1949-03-25

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