BE410556A - - Google Patents

Info

Publication number
BE410556A
BE410556A BE410556DA BE410556A BE 410556 A BE410556 A BE 410556A BE 410556D A BE410556D A BE 410556DA BE 410556 A BE410556 A BE 410556A
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.)
Family has litigation
Publication of BE410556A publication Critical patent/BE410556A/xx
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9222013&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BE410556(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

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
    • G01S1/30—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 continuous waves or intermittent trains of continuous waves, the intermittency not being for the purpose of determining direction or position line and the transit times being compared by measuring the phase difference
    • G01S1/304—Analogous systems in which a beat frequency, obtained by heterodyning the signals, is compared in phase with a reference signal obtained by heterodyning the signals in a fixed reference point and transmitted therefrom, e.g. LORAC (long range accuracy) or TORAN systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
BE410556D 1934-08-11 BE410556A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR790386T 1934-08-11

Publications (1)

Publication Number Publication Date
BE410556A true BE410556A (fr)

Family

ID=9222013

Family Applications (1)

Application Number Title Priority Date Filing Date
BE410556D BE410556A (fr) 1934-08-11

Country Status (4)

Country Link
US (1) US2148267A (fr)
BE (1) BE410556A (fr)
FR (1) FR790386A (fr)
GB (1) GB452235A (fr)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2479567A (en) * 1941-02-11 1949-08-23 Jr Ludlow B Hallman Radio position determining system
GB578479A (en) * 1942-09-09 1946-07-01 Herbert Fletcher Improvements in or relating to radio navigational systems
US2422100A (en) * 1943-01-06 1947-06-10 Rca Corp Position determining system
FR957296A (fr) * 1943-08-04 1950-02-17
US2549423A (en) * 1943-09-22 1951-04-17 Rca Corp Reduction of selective fading distortion
USRE23050E (en) * 1944-03-02 1948-11-23 Radio beacon
US2436376A (en) * 1944-03-31 1948-02-24 Bell Telephone Labor Inc System for transmitting intelligence
US2527548A (en) * 1945-03-22 1950-10-31 Charles E Hastings Radio velocity and position determining system
US2503836A (en) * 1945-08-27 1950-04-11 Decca Record Co Ltd Radio-frequency navigation system
BE471794A (fr) * 1945-08-27
US2483557A (en) * 1945-08-27 1949-10-04 Decca Record Co Ltd Radio beacon system
US2513315A (en) * 1947-10-09 1950-07-04 Seismograph Service Corp Radio position determining system
US2513316A (en) * 1947-10-09 1950-07-04 Seismograph Service Corp Radio survey system
US2513317A (en) * 1947-10-09 1950-07-04 Seismograph Service Corp Radio position determining system
US2611127A (en) * 1947-10-28 1952-09-16 Sperry Corp Continuous wave navigation system
US2651032A (en) * 1948-03-02 1953-09-01 Torcheux Emile Leon Gabriel Localization system
US2528140A (en) * 1948-06-08 1950-10-31 Hastings Instr Company Inc Navigational aid
US2616079A (en) * 1948-06-08 1952-10-28 Hastings Instr Company Inc Navigation lane identification
US2513318A (en) * 1948-08-05 1950-07-04 Seismograph Service Corp Radio position finding system
US2513319A (en) * 1948-09-22 1950-07-04 Seismograph Service Corp Geophysical prospecting system
US2513320A (en) * 1948-09-22 1950-07-04 Seismograph Service Corp Radio position determining system
US3025519A (en) * 1948-11-03 1962-03-13 Carl W Brown Automatic radio navigation system
US2682049A (en) * 1949-12-14 1954-06-22 Raytheon Mfg Co Beat frequency navigation and guidance system
US2608685A (en) * 1949-12-29 1952-08-26 Hastings Instr Company Inc Radio navigation system
US2748385A (en) * 1950-03-15 1956-05-29 Marconi Wireless Telegraph Co Radio navigation aids for aircraft
US2608686A (en) * 1950-10-11 1952-08-26 Hastings Instr Company Inc Radio navigation system
US2724114A (en) * 1950-10-16 1955-11-15 Shell Dev Phase-comparison radiolocation system
US2652559A (en) * 1950-11-07 1953-09-15 Seismograph Service Corp Radio location system
US2652560A (en) * 1951-09-08 1953-09-15 Seismograph Service Corp Radio location system
US2839749A (en) * 1952-07-08 1958-06-17 Carleton Henry Precision electronic navigation system
US2730714A (en) * 1954-04-23 1956-01-10 Seismograph Service Corp Radio location system
US2828485A (en) * 1954-09-09 1958-03-25 Seismograph Service Corp Radio location system
FR1125163A (fr) * 1955-04-28 1956-10-25 Procédé radio-électrique perfectionné de localisation d'un mobile et installation pour la mise en oeuvre dudit procédé
US2943320A (en) * 1955-10-04 1960-06-28 Seismograph Service Corp Radio location system
US2986732A (en) * 1956-03-26 1961-05-30 Charles E Marshburn Navigation system
US3137851A (en) * 1957-03-07 1964-06-16 Frank J Kirby Gyro verticality interferometer
US2971189A (en) * 1957-03-22 1961-02-07 Hastings Raydist Inc Radio system
US3206751A (en) * 1959-10-06 1965-09-14 David Q Reed Electronic location and guidance system
US3808597A (en) * 1968-03-14 1974-04-30 Teledyne Inc Iso-phase position determining system
EP0047561A1 (fr) * 1980-09-10 1982-03-17 BBC Aktiengesellschaft Brown, Boveri & Cie. Procédé de détermination de la position d'un objet mobile
US5589821A (en) * 1994-12-13 1996-12-31 Secure Technologies, Inc. Distance determination and alarm system
GB2445595A (en) * 2007-01-08 2008-07-16 Turftrax Racing Data Ltd Location system
GB0913367D0 (en) 2009-07-31 2009-09-16 Omnisense Ltd Positioning systems

Also Published As

Publication number Publication date
FR790386A (fr) 1935-11-20
US2148267A (en) 1939-02-21
GB452235A (en) 1936-08-19

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