NL137955B - - Google Patents

Info

Publication number
NL137955B
NL137955B NL137955DA NL137955B NL 137955 B NL137955 B NL 137955B NL 137955D A NL137955D A NL 137955DA NL 137955 B NL137955 B NL 137955B
Authority
NL
Netherlands
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 NL137955B publication Critical patent/NL137955B/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
    • 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
NL137955D 1938-09-30 NL137955B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US232558A US2198113A (en) 1938-09-30 1938-09-30 Navigation method and apparatus

Publications (1)

Publication Number Publication Date
NL137955B true NL137955B (de)

Family

ID=22873621

Family Applications (2)

Application Number Title Priority Date Filing Date
NL76023D NL76023C (de) 1938-09-30
NL137955D NL137955B (de) 1938-09-30

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL76023D NL76023C (de) 1938-09-30

Country Status (5)

Country Link
US (1) US2198113A (de)
BE (1) BE481602A (de)
FR (1) FR959092A (de)
GB (2) GB647549A (de)
NL (2) NL137955B (de)

Families Citing this family (69)

* Cited by examiner, † Cited by third party
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US2426440A (en) * 1943-07-19 1947-08-26 Gen Electric Aircraft landing system
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GB620508A (en) * 1945-08-24 1949-03-25 William Joseph O Brien Improvements in or relating to multiple channel radio receivers
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US2483557A (en) * 1945-08-27 1949-10-04 Decca Record Co Ltd Radio beacon system
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GB620493A (en) * 1946-05-17 1949-03-25 Decca Record Co Ltd Improvements in or relating to radio systems for enabling geographical positions to be determined and/or indicated at a receiver
GB621575A (en) * 1946-06-21 1949-04-12 Standard Telephones Cables Ltd Combined radio direction and distance finding system
US2582588A (en) * 1946-08-12 1952-01-15 Fennessy Edward Track control unit
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US2579591A (en) * 1947-04-19 1951-12-25 Westinghouse Electric Corp Relay system
US2533229A (en) * 1947-06-25 1950-12-12 Jr Edward N Dingley Omnidirectional radio beacon
US2537574A (en) * 1947-09-19 1951-01-09 Rca Corp Distance finder with automatic range tracking
US2654884A (en) * 1947-10-21 1953-10-06 Sperry Corp Radio distance measuring system
US3025519A (en) * 1948-11-03 1962-03-13 Carl W Brown Automatic radio navigation system
US2718002A (en) * 1949-02-02 1955-09-13 Int Standard Electric Corp Long range navigation system
US2604622A (en) * 1949-03-30 1952-07-22 Olive S Petty Test device for determining time delay in pulse repeaters
US2811717A (en) * 1949-05-12 1957-10-29 Sperry Rand Corp Automatic phase comparator apparatus
US2592719A (en) * 1949-11-19 1952-04-15 Raytheon Mfg Co Remote direction finder system
US2690558A (en) * 1950-02-04 1954-09-28 Sylvania Electric Prod Radio navigation system
US2748385A (en) * 1950-03-15 1956-05-29 Marconi Wireless Telegraph Co Radio navigation aids for aircraft
US2724114A (en) * 1950-10-16 1955-11-15 Shell Dev Phase-comparison radiolocation system
US2709253A (en) * 1952-01-05 1955-05-24 Hastings Instr Co Inc Radio ranging system
US2710959A (en) * 1952-06-07 1955-06-14 Collins Radio Co Ultra short range altimeter system
US2839749A (en) * 1952-07-08 1958-06-17 Carleton Henry Precision electronic navigation system
BE522524A (de) * 1952-09-02
US2778013A (en) * 1953-04-10 1957-01-15 Seismograph Service Corp Radio surveying apparatus
US2837736A (en) * 1955-02-08 1958-06-03 Marcel J E Golay Radio interferometry
US3025520A (en) * 1955-11-21 1962-03-13 Gen Dynamics Corp Positioning determining device
US2945956A (en) * 1956-05-28 1960-07-19 Sperry Rand Corp Course plotter
US2910683A (en) * 1957-01-24 1959-10-27 Todd William Radio transmission system
US2971189A (en) * 1957-03-22 1961-02-07 Hastings Raydist Inc Radio system
GB845493A (en) * 1957-09-14 1960-08-24 Gasaccumulator Svenska Ab Improvements in combined receiving and transmitting apparatus for receiving and transmitting electro-magnetic signals
US3144645A (en) * 1958-05-12 1964-08-11 Bendix Corp Distance measuring system
US3082419A (en) * 1959-11-04 1963-03-19 Seismograph Service Corp Continuous wave hyperbolic system for landing aircraft
US3150366A (en) * 1960-05-12 1964-09-22 Bendix Corp Distance measuring system
NL295277A (de) * 1962-08-15
US3366957A (en) * 1965-08-31 1968-01-30 Rosemount Eng Co Ltd Distance measurement method and means
US6963301B2 (en) * 2002-08-19 2005-11-08 G-Track Corporation System and method for near-field electromagnetic ranging
US7307595B2 (en) * 2004-12-21 2007-12-11 Q-Track Corporation Near field location system and method
US7298314B2 (en) * 2002-08-19 2007-11-20 Q-Track Corporation Near field electromagnetic positioning system and method
US7414571B2 (en) * 2002-08-19 2008-08-19 Q-Track Corporation Low frequency asset tag tracking system and method
DE102006059623B3 (de) * 2006-12-14 2008-07-24 Universität Rostock Verfahren und System zur Positionsbestimmung
US8774837B2 (en) 2011-04-30 2014-07-08 John Anthony Wright Methods, systems and apparatuses of emergency vehicle locating and the disruption thereof
US10444336B2 (en) * 2017-07-06 2019-10-15 Bose Corporation Determining location/orientation of an audio device

Also Published As

Publication number Publication date
US2198113A (en) 1940-04-23
BE481602A (de)
FR959092A (de) 1950-03-23
GB647549A (en) 1950-12-13
NL76023C (de)
GB647579A (en) 1950-12-13

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