FR867847A - Directive radio systems - Google Patents

Directive radio systems

Info

Publication number
FR867847A
FR867847A FR867847DA FR867847A FR 867847 A FR867847 A FR 867847A FR 867847D A FR867847D A FR 867847DA FR 867847 A FR867847 A FR 867847A
Authority
FR
France
Prior art keywords
radio systems
directive radio
directive
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.)
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 FR867847A publication Critical patent/FR867847A/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
FR867847D 1939-11-07 1940-11-29 Directive radio systems Expired FR867847A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US303206A US2293694A (en) 1939-11-07 1939-11-07 Directive radio system for guiding arrangements

Publications (1)

Publication Number Publication Date
FR867847A true FR867847A (en) 1941-11-29

Family

ID=23171005

Family Applications (1)

Application Number Title Priority Date Filing Date
FR867847D Expired FR867847A (en) 1939-11-07 1940-11-29 Directive radio systems

Country Status (4)

Country Link
US (1) US2293694A (en)
BE (1) BE442246A (en)
FR (1) FR867847A (en)
GB (1) GB563007A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR962499A (en) * 1942-06-02 1950-06-10
US2434927A (en) * 1942-11-10 1948-01-27 Int Standard Electric Corp Antenna system for defining a blind approach path
BE478008A (en) * 1946-12-12
US2578961A (en) * 1948-01-15 1951-12-18 Fr Sadir Carpentier Soc Radio-guiding system
US2765461A (en) * 1952-08-01 1956-10-02 Alford Andrew Monidirectional range system
GB987470A (en) * 1962-06-13 1965-03-31 Secr Aviation Improvements in or relating to aircraft approach and landing systems

Also Published As

Publication number Publication date
BE442246A (en)
GB563007A (en) 1944-07-26
US2293694A (en) 1942-08-25

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