FR57504E - Système de balises radioélectriques - Google Patents

Système de balises radioélectriques

Info

Publication number
FR57504E
FR57504E FR57504DA FR57504E FR 57504 E FR57504 E FR 57504E FR 57504D A FR57504D A FR 57504DA FR 57504 E FR57504 E FR 57504E
Authority
FR
France
Prior art keywords
radio beacon
beacon system
radio
beacon
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
Andrew Alford
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR57504E publication Critical patent/FR57504E/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)
FR57504D 1947-08-06 1947-08-06 Système de balises radioélectriques Expired FR57504E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR57504T 1947-08-06

Publications (1)

Publication Number Publication Date
FR57504E true FR57504E (fr) 1953-01-29

Family

ID=8691546

Family Applications (1)

Application Number Title Priority Date Filing Date
FR57504D Expired FR57504E (fr) 1947-08-06 1947-08-06 Système de balises radioélectriques

Country Status (1)

Country Link
FR (1) FR57504E (fr)

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