DK141710B - Modtager til et fasesammenlignende radionavigationsanlæg. - Google Patents

Modtager til et fasesammenlignende radionavigationsanlæg. Download PDF

Info

Publication number
DK141710B
DK141710B DK596874AA DK596874A DK141710B DK 141710 B DK141710 B DK 141710B DK 596874A A DK596874A A DK 596874AA DK 596874 A DK596874 A DK 596874A DK 141710 B DK141710 B DK 141710B
Authority
DK
Denmark
Prior art keywords
frequency
phase
signal
oscillator
signals
Prior art date
Application number
DK596874AA
Other languages
Danish (da)
English (en)
Other versions
DK141710C (OSRAM
DK596874A (OSRAM
Inventor
Derek John Phipps
Original Assignee
Decca 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 Decca Ltd filed Critical Decca Ltd
Publication of DK596874A publication Critical patent/DK596874A/da
Publication of DK141710B publication Critical patent/DK141710B/da
Application granted granted Critical
Publication of DK141710C publication Critical patent/DK141710C/da

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

Landscapes

  • Engineering & Computer Science (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)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Networks Using Active Elements (AREA)
  • Circuits Of Receivers In General (AREA)
DK596874AA 1973-11-16 1974-11-15 Modtager til et fasesammenlignende radionavigationsanlæg. DK141710B (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB5318573 1973-11-16
GB5318573A GB1468017A (en) 1973-11-16 1973-11-16 Phase comparison radio navigation systems

Publications (3)

Publication Number Publication Date
DK596874A DK596874A (OSRAM) 1975-07-07
DK141710B true DK141710B (da) 1980-05-27
DK141710C DK141710C (OSRAM) 1980-11-17

Family

ID=10466926

Family Applications (1)

Application Number Title Priority Date Filing Date
DK596874AA DK141710B (da) 1973-11-16 1974-11-15 Modtager til et fasesammenlignende radionavigationsanlæg.

Country Status (8)

Country Link
US (1) US3974502A (OSRAM)
JP (1) JPS5621107B2 (OSRAM)
DE (1) DE2454305A1 (OSRAM)
DK (1) DK141710B (OSRAM)
FR (1) FR2251826B1 (OSRAM)
GB (1) GB1468017A (OSRAM)
NO (1) NO142322C (OSRAM)
SE (1) SE404967B (OSRAM)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3001014C2 (de) * 1980-01-12 1982-06-24 Južnoe proizvodstvennoe ob"edinenie po morskim geologorazvedočnym rabotam "Južmorgeologija", Gelendžik, Krasnodarskogo kraja Elektronischer Digitalanzeigeempfänger für das Decca-Funknavigationssystem
FR2500171A1 (fr) * 1981-02-13 1982-08-20 Mlr Electronique Procede de radio-localisation par determination de phases d'ondes electromagnetiques et dispsositif recepteur pour la mise en oeuvre de ce procede
US4396918A (en) * 1981-03-06 1983-08-02 The United States Of America As Represented By The Administrator Of The National Aeronautics & Space Administration Low-frequency radio navigation system
GB2475675A (en) * 2009-11-17 2011-06-01 Samsung Electronics Co Ltd Navigation receiver operable with multiple navigation systems

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1308149A (en) * 1969-11-10 1973-02-21 Decca Ltd Receivers for phase comparison radio navigation systems
US3852751A (en) * 1972-12-21 1974-12-03 Rockwell International Corp Data handling receiver and phase tracking

Also Published As

Publication number Publication date
NO142322B (no) 1980-04-21
FR2251826A1 (OSRAM) 1975-06-13
DK141710C (OSRAM) 1980-11-17
SE404967B (sv) 1978-11-06
DE2454305A1 (de) 1975-05-28
NO142322C (no) 1980-07-30
SE7414384L (OSRAM) 1975-05-20
JPS5621107B2 (OSRAM) 1981-05-18
GB1468017A (en) 1977-03-23
JPS50114192A (OSRAM) 1975-09-06
DK596874A (OSRAM) 1975-07-07
US3974502A (en) 1976-08-10
NO744110L (OSRAM) 1975-06-16
FR2251826B1 (OSRAM) 1983-02-25

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Legal Events

Date Code Title Description
PBP Patent lapsed