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FR815810A - Secret radio beacon on very short waves - Google Patents

Secret radio beacon on very short waves

Info

Publication number
FR815810A
FR815810A FR815810DA FR815810A FR 815810 A FR815810 A FR 815810A FR 815810D A FR815810D A FR 815810DA FR 815810 A FR815810 A FR 815810A
Authority
FR
France
Prior art keywords
radio beacon
short waves
secret radio
secret
waves
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.)
Societe Francaise Radio Electrique
Original Assignee
Societe Francaise Radio Electrique
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 Societe Francaise Radio Electrique filed Critical Societe Francaise Radio Electrique
Application granted granted Critical
Publication of FR815810A publication Critical patent/FR815810A/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)
  • Radar Systems Or Details Thereof (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
FR815810D 1936-03-30 1936-03-30 Secret radio beacon on very short waves Expired FR815810A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR714409X 1936-03-30

Publications (1)

Publication Number Publication Date
FR815810A true FR815810A (en) 1937-07-23

Family

ID=9087147

Family Applications (1)

Application Number Title Priority Date Filing Date
FR815810D Expired FR815810A (en) 1936-03-30 1936-03-30 Secret radio beacon on very short waves

Country Status (3)

Country Link
DE (1) DE714409C (en)
FR (1) FR815810A (en)
GB (1) GB472155A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE757912C (en) * 1937-06-13 1954-02-08 Gema Ges Fuer Elektroakustisch Navigation system working according to the beacon principle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE757912C (en) * 1937-06-13 1954-02-08 Gema Ges Fuer Elektroakustisch Navigation system working according to the beacon principle

Also Published As

Publication number Publication date
DE714409C (en) 1941-11-28
GB472155A (en) 1937-09-17

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