FR979439A - Improvements to direction finders - Google Patents

Improvements to direction finders

Info

Publication number
FR979439A
FR979439A FR979439DA FR979439A FR 979439 A FR979439 A FR 979439A FR 979439D A FR979439D A FR 979439DA FR 979439 A FR979439 A FR 979439A
Authority
FR
France
Prior art keywords
direction finders
finders
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.)
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
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 Marconis Wireless Telegraph Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Application granted granted Critical
Publication of FR979439A publication Critical patent/FR979439A/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
FR979439D 1948-03-04 1949-01-25 Improvements to direction finders Expired FR979439A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB6817/48A GB648713A (en) 1948-03-04 1948-03-04 Improvements in or relating to radio direction finders

Publications (1)

Publication Number Publication Date
FR979439A true FR979439A (en) 1951-04-26

Family

ID=9821292

Family Applications (1)

Application Number Title Priority Date Filing Date
FR979439D Expired FR979439A (en) 1948-03-04 1949-01-25 Improvements to direction finders

Country Status (4)

Country Link
US (1) US2605465A (en)
DE (1) DE862030C (en)
FR (1) FR979439A (en)
GB (1) GB648713A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2762002A (en) * 1952-05-29 1956-09-04 Bendix Aviat Corp Power amplifier for servo mechanisms
US2724115A (en) * 1952-09-25 1955-11-15 Collins Radio Co Tracking system
US2820963A (en) * 1953-11-27 1958-01-21 Aircraft Specialty Lines Radio direction finding circuit
US2968035A (en) * 1956-01-26 1961-01-10 Janis A Sirons Radio compass
US3534368A (en) * 1968-09-16 1970-10-13 Electro Technical Analysis Cor Dual mode automatic direction finders

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2054160A (en) * 1931-07-16 1936-09-15 Telefunken Gmbh Directional receiver
US2360810A (en) * 1938-03-19 1944-10-17 Rca Corp Self-orienting radio direction finder
US2216708A (en) * 1938-11-19 1940-10-01 Frederick A Kolster Directional radio system
US2276235A (en) * 1939-10-23 1942-03-10 Weston Electrical Instr Corp Radio compass
US2279021A (en) * 1939-11-30 1942-04-07 Rca Corp Directional receiver
US2310052A (en) * 1940-10-16 1943-02-02 Westinghouse Electric & Mfg Co Radio direction finding system

Also Published As

Publication number Publication date
GB648713A (en) 1951-01-10
DE862030C (en) 1953-01-08
US2605465A (en) 1952-07-29

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