FR863522A - Dispositifs pour augmenter le rapport des intensités de deux courants de fréquences différentes - Google Patents

Dispositifs pour augmenter le rapport des intensités de deux courants de fréquences différentes

Info

Publication number
FR863522A
FR863522A FR863522DA FR863522A FR 863522 A FR863522 A FR 863522A FR 863522D A FR863522D A FR 863522DA FR 863522 A FR863522 A FR 863522A
Authority
FR
France
Prior art keywords
intensities
currents
increasing
ratio
devices
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR863522A publication Critical patent/FR863522A/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)
  • Arrangements For Transmission Of Measured Signals (AREA)
FR863522D 1939-03-07 1940-02-22 Dispositifs pour augmenter le rapport des intensités de deux courants de fréquences différentes Expired FR863522A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7410/39A GB526055A (en) 1939-03-07 1939-03-07 Improvements in course indicators for radio direction systems

Publications (1)

Publication Number Publication Date
FR863522A true FR863522A (fr) 1941-04-03

Family

ID=9832592

Family Applications (1)

Application Number Title Priority Date Filing Date
FR863522D Expired FR863522A (fr) 1939-03-07 1940-02-22 Dispositifs pour augmenter le rapport des intensités de deux courants de fréquences différentes

Country Status (5)

Country Link
US (1) US2553558A (en:Method)
BE (1) BE478022A (en:Method)
FR (1) FR863522A (en:Method)
GB (1) GB526055A (en:Method)
NL (1) NL59195C (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2553558A (en) * 1939-03-07 1951-05-22 Int Standard Electric Corp Course indicator for radio direction systems

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2793363A (en) * 1953-03-30 1957-05-21 Rca Corp Instrument landing system receiver apparatus
US3020478A (en) * 1957-07-12 1962-02-06 Itt Phase measuring device
US3032715A (en) * 1959-01-02 1962-05-01 Collins Radio Co Means for measuring rate of change of frequency
US3257510A (en) * 1962-10-15 1966-06-21 Industrial Res Prod Inc Feedback control apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1923920A (en) * 1931-07-06 1933-08-22 Us Government Course shift-indicator for the double-modulation type radiobeacons
NL59195C (en:Method) * 1939-03-07

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2553558A (en) * 1939-03-07 1951-05-22 Int Standard Electric Corp Course indicator for radio direction systems

Also Published As

Publication number Publication date
GB526055A (en) 1940-09-10
BE478022A (en:Method)
NL59195C (en:Method)
US2553558A (en) 1951-05-22

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