BE474943A - - Google Patents

Info

Publication number
BE474943A
BE474943A BE474943DA BE474943A BE 474943 A BE474943 A BE 474943A BE 474943D A BE474943D A BE 474943DA BE 474943 A BE474943 A BE 474943A
Authority
BE
Belgium
Application number
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 of BE474943A publication Critical patent/BE474943A/xx

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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/38—Jamming means, e.g. producing false echoes
    • 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)
BE474943D 1945-10-10 BE474943A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US621577A US2471412A (en) 1945-10-10 1945-10-10 Frequency controlled direction finder

Publications (1)

Publication Number Publication Date
BE474943A true BE474943A (fi)

Family

ID=24490733

Family Applications (1)

Application Number Title Priority Date Filing Date
BE474943D BE474943A (fi) 1945-10-10

Country Status (3)

Country Link
US (1) US2471412A (fi)
BE (1) BE474943A (fi)
ES (1) ES176252A1 (fi)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2730614A (en) * 1950-01-20 1956-01-10 Stromberg Carlson Co Automatic frequency control system
US2858422A (en) * 1953-04-17 1958-10-28 Gen Dynamics Corp Frequency responsive system having two slope-tuned amplifiers with differential control of gain
US3077601A (en) * 1958-01-30 1963-02-12 Westinghouse Electric Corp Signal selector circuit for passive detection apparatus
US3832711A (en) * 1964-04-13 1974-08-27 Raytheon Co Guidance system
FR1605252A (fi) * 1967-03-24 1973-11-02
US3680125A (en) * 1970-06-16 1972-07-25 Itt Angular modulation direction finding receiver
US4071845A (en) * 1975-03-31 1978-01-31 Raytheon Company Harbor radio navigation system
FR2723206B1 (fr) * 1984-12-26 1998-04-17 Dassault Electronique Recepteur de signaux electromagnetiques, avec identification et localisation de ces signaux

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB474771A (en) * 1935-07-13 1937-11-08 Cole E K Ltd Arrangement for automatic tuning of radio receivers or the like
GB469077A (en) * 1936-01-10 1937-07-12 James Robinson Improvements in or relating to wireless and like receivers
GB480289A (en) * 1937-03-09 1938-02-21 Cable & Wireless Ltd Improvements relating to wireless telegraph systems
NL52079C (fi) * 1937-06-11

Also Published As

Publication number Publication date
ES176252A1 (es) 1947-02-01
US2471412A (en) 1949-05-31

Similar Documents

Publication Publication Date Title
AT190006B (fi)
BE464548A (fi)
BE464383A (fi)
BE501695A (fi)
BE460560A (fi)
BE474674A (fi)
BE463403A (fi)
BE472932A (fi)
BE470767A (fi)
BE470086A (fi)
BE465909A (fi)
BE466517A (fi)
BE466558A (fi)
BE469138A (fi)
BE462859A (fi)
BE482840A (fi)
BE482590A (fi)
BE466734A (fi)
BE479415A (fi)
BE474943A (fi)
BE465860A (fi)
BE462813A (fi)
BE476743A (fi)
BE462915A (fi)
BE462945A (fi)