FR741872A - - Google Patents

Info

Publication number
FR741872A
FR741872A FR741872DA FR741872A FR 741872 A FR741872 A FR 741872A FR 741872D A FR741872D A FR 741872DA FR 741872 A FR741872 A FR 741872A
Authority
FR
France
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)
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.)
Publication date
Application granted granted Critical
Publication of FR741872A publication Critical patent/FR741872A/fr
Priority claimed from DEL90023D external-priority patent/DE659836C/de
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S1/00Beacons 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
    • G01S1/02Beacons 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)
  • Aerials With Secondary Devices (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)
  • Toys (AREA)
  • Circuits Of Receivers In General (AREA)
  • Transmitters (AREA)
FR741872D 1932-04-20 Expired FR741872A (xx)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DEL81003D DE577350C (de) 1932-04-20 1932-04-20 Sendeanordnung zur Erzielung von Kurslinien
DEL85653D DE616026C (de) 1932-04-20 1934-04-07 Sendeanordnung zur Erzielung von Kurslinien gemaess
DE2151922X 1934-10-05
DEL90023D DE659836C (de) 1934-04-07 1936-03-22 Sendeanordnung zur Erzielung von Kurslinien

Publications (1)

Publication Number Publication Date
FR741872A true FR741872A (xx) 1933-02-22

Family

ID=34069174

Family Applications (7)

Application Number Title Priority Date Filing Date
FR741872D Expired FR741872A (xx) 1932-04-20
FR44877D Expired FR44877E (fr) 1932-04-20 1934-05-17 Appareil transmetteur pour les ondes électriques, et en particulier pour les ondes ultra-courtes
FR44879D Expired FR44879E (fr) 1932-04-20 1934-05-18 Appareil transmetteur pour les ondes électriques et en particulier pour les ondes ultra-courtes
FR45994D Expired FR45994E (fr) 1932-04-20 1935-04-02 Appareil transmetteur pour les ondes électriques et en particulier pour les ondes ultra-courtes
FR795983D Expired FR795983A (fr) 1932-04-20 1935-10-05 Appareil récepteur pour déterminer la direction au moyen d'ondes electriques, et en particulier d'ondes ultra-courtes
FR47380D Expired FR47380E (fr) 1932-04-20 1936-05-14 Appareil transmetteur pour les ondes électriques et en particulier pour les ondes ultra-courtes
FR47701D Expired FR47701E (fr) 1932-04-20 1936-10-07 Appareil transmetteur pour les ondes électriques et en particulier pour les ondes ultra-courtes

Family Applications After (6)

Application Number Title Priority Date Filing Date
FR44877D Expired FR44877E (fr) 1932-04-20 1934-05-17 Appareil transmetteur pour les ondes électriques, et en particulier pour les ondes ultra-courtes
FR44879D Expired FR44879E (fr) 1932-04-20 1934-05-18 Appareil transmetteur pour les ondes électriques et en particulier pour les ondes ultra-courtes
FR45994D Expired FR45994E (fr) 1932-04-20 1935-04-02 Appareil transmetteur pour les ondes électriques et en particulier pour les ondes ultra-courtes
FR795983D Expired FR795983A (fr) 1932-04-20 1935-10-05 Appareil récepteur pour déterminer la direction au moyen d'ondes electriques, et en particulier d'ondes ultra-courtes
FR47380D Expired FR47380E (fr) 1932-04-20 1936-05-14 Appareil transmetteur pour les ondes électriques et en particulier pour les ondes ultra-courtes
FR47701D Expired FR47701E (fr) 1932-04-20 1936-10-07 Appareil transmetteur pour les ondes électriques et en particulier pour les ondes ultra-courtes

Country Status (6)

Country Link
US (3) US2028510A (xx)
BE (1) BE414649A (xx)
DE (2) DE577350C (xx)
FR (7) FR44877E (xx)
GB (5) GB405727A (xx)
NL (3) NL38464C (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2229733A (en) * 1938-05-13 1941-01-28 Internat Telephone Dev Co Inc Antenna structure
DE761950C (de) * 1941-05-10 1954-01-18 Lorenz C Ag Verfahren zur Kursweisung mittels frequenzmodulierter Strahlungen
US2439663A (en) * 1942-02-26 1948-04-13 Hazeltine Research Inc System for navigating aircraft
US2492354A (en) * 1945-04-09 1949-12-27 Standard Telephones Cables Ltd Dipole antenna direction finder
US2831189A (en) * 1945-06-23 1958-04-15 Robert J Kemper Wide band homing system

Also Published As

Publication number Publication date
US2028510A (en) 1936-01-21
FR47701E (fr) 1937-06-22
FR795983A (fr) 1936-03-26
US2072268A (en) 1937-03-02
BE414649A (xx)
GB444005A (en) 1936-03-11
GB442193A (en) 1936-02-04
NL41765C (xx)
NL46080C (xx)
GB405727A (en) 1934-02-15
GB438804A (en) 1935-11-25
US2151922A (en) 1939-03-28
NL38464C (xx)
FR47380E (fr) 1937-03-25
DE616026C (de) 1935-07-18
FR45994E (fr) 1936-01-17
FR44877E (fr) 1935-04-24
FR44879E (fr) 1935-04-24
DE577350C (de) 1933-05-30
GB472941A (en) 1937-10-04

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