FR956764A - - Google Patents

Info

Publication number
FR956764A
FR956764A FR956764DA FR956764A FR 956764 A FR956764 A FR 956764A FR 956764D A FR956764D A FR 956764DA FR 956764 A FR956764 A FR 956764A
Authority
FR
France
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
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 date
Application granted granted Critical
Publication of FR956764A publication Critical patent/FR956764A/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
    • G01S1/08—Systems for determining direction or position line
    • G01S1/20—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems
    • G01S1/24—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems the synchronised signals being pulses or equivalent modulations on carrier waves and the transit times being compared by measuring the difference in arrival time of a significant part of the modulations, e.g. LORAN systems
FR956764D 1942-08-28 Expired FR956764A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US456499A US2408048A (en) 1942-08-28 1942-08-28 Radio direction method and system

Publications (1)

Publication Number Publication Date
FR956764A true FR956764A (fr) 1950-02-07

Family

ID=23813004

Family Applications (1)

Application Number Title Priority Date Filing Date
FR956764D Expired FR956764A (fr) 1942-08-28

Country Status (2)

Country Link
US (1) US2408048A (fr)
FR (1) FR956764A (fr)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2477485A (en) * 1943-11-12 1949-07-26 Gen Electric Pulse echo beacon transponder
US2470787A (en) * 1944-05-04 1949-05-24 Paul W Nosker System for determining the position or path of an object in space
BE474193A (fr) * 1945-02-24
BE478974A (fr) * 1945-03-15
US2541627A (en) * 1945-05-24 1951-02-13 Williams Frederic Calland Wireless signaling system
US2463476A (en) * 1945-09-26 1949-03-01 Standard Telephones Cables Ltd Radio navigation system
US2677818A (en) * 1945-10-19 1954-05-04 Us Sec War Aircraft identification system
US2597349A (en) * 1945-10-19 1952-05-20 Us Sec War Radio navigational device
US2633570A (en) * 1945-10-19 1953-03-31 Jr Ivan A Greenwood Radio navigation system
US2763857A (en) * 1945-11-15 1956-09-18 Jr George E Valley Two station navigation system
US2901742A (en) * 1945-11-19 1959-08-25 Burnight Thomas Robert Blind landing system
US2644155A (en) * 1945-11-21 1953-06-30 Jr Robert A Emmett Blind landing system
US2821704A (en) * 1945-11-30 1958-01-28 Marcus D O'day Navigation system
US2891246A (en) * 1945-12-10 1959-06-16 Jr John C Reed Beacon system
US2633568A (en) * 1945-12-10 1953-03-31 Jr Benjamin F Greene Craft identification device
US2807798A (en) * 1945-12-18 1957-09-24 Frank G Dunnington Frequency indicator
US2901743A (en) * 1946-01-05 1959-08-25 Andrew B Jacobsen Radar telemetering system
US2578980A (en) * 1946-03-07 1951-12-18 Decca Record Co Ltd Radio-frequency navigation system
US2575340A (en) * 1946-03-07 1951-11-20 Maxwell K Goldstein Determination of ground constants
US2807017A (en) * 1946-03-26 1957-09-17 Richard N Close Radio computer system
US2659883A (en) * 1946-03-29 1953-11-17 Eugene V Haake Radio range tracking system
US2535107A (en) * 1946-04-19 1950-12-26 Panoramic Radio Corp Navigational system
US2606317A (en) * 1946-04-19 1952-08-05 Wallace Marcel Navigational system
US2774036A (en) * 1946-05-06 1956-12-11 Frank G Dunnington Complex wave analyzer
US2958080A (en) * 1946-09-07 1960-10-25 Charles B Aiken Scanning system for detecting a radiant object in a field of like radiation
US2668287A (en) * 1948-06-18 1954-02-02 Luis W Alvarez Radio navigation system
US2514436A (en) * 1948-06-18 1950-07-11 Luis W Alvarez Airway monitoring and control system
US2639422A (en) * 1949-03-08 1953-05-19 Collins Radio Co Forward radar echo-ranging method and system
US2746034A (en) * 1951-06-01 1956-05-15 Olive S Petty Positioning determining system
US3992711A (en) * 1956-10-04 1976-11-16 International Telephone And Telegraph Corporation First and fourth harmonic system
US3246514A (en) * 1964-02-28 1966-04-19 Walter J Gremlitz Single element electronic wind speed and direction sensor
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
US6963301B2 (en) * 2002-08-19 2005-11-08 G-Track Corporation System and method for near-field electromagnetic ranging
US8774837B2 (en) 2011-04-30 2014-07-08 John Anthony Wright Methods, systems and apparatuses of emergency vehicle locating and the disruption thereof

Also Published As

Publication number Publication date
US2408048A (en) 1946-09-24

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