GB1121096A - Radio navigation system - Google Patents

Radio navigation system

Info

Publication number
GB1121096A
GB1121096A GB4173565A GB4173565A GB1121096A GB 1121096 A GB1121096 A GB 1121096A GB 4173565 A GB4173565 A GB 4173565A GB 4173565 A GB4173565 A GB 4173565A GB 1121096 A GB1121096 A GB 1121096A
Authority
GB
United Kingdom
Prior art keywords
frequency
output
signals
antennμ
filter
Prior art date
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
GB4173565A
Other languages
English (en)
Inventor
Charles William Earp
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB4173565A priority Critical patent/GB1121096A/en
Priority to NL6613723A priority patent/NL6613723A/xx
Priority to DE19661541403 priority patent/DE1541403A1/de
Publication of GB1121096A publication Critical patent/GB1121096A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S1/00Beacons 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
    • G01S1/02Beacons 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
    • G01S1/08Systems for determining direction or position line
    • G01S1/20Systems 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
    • G01S1/22Systems 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 frequency modulations on carrier waves and the transit times being compared by measuring difference of instantaneous frequencies of received carrier 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)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB4173565A 1965-10-01 1965-10-01 Radio navigation system Expired GB1121096A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB4173565A GB1121096A (en) 1965-10-01 1965-10-01 Radio navigation system
NL6613723A NL6613723A (cs) 1965-10-01 1966-09-29
DE19661541403 DE1541403A1 (de) 1965-10-01 1966-09-30 Navigationssystem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4173565A GB1121096A (en) 1965-10-01 1965-10-01 Radio navigation system

Publications (1)

Publication Number Publication Date
GB1121096A true GB1121096A (en) 1968-07-24

Family

ID=10421129

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4173565A Expired GB1121096A (en) 1965-10-01 1965-10-01 Radio navigation system

Country Status (3)

Country Link
DE (1) DE1541403A1 (cs)
GB (1) GB1121096A (cs)
NL (1) NL6613723A (cs)

Also Published As

Publication number Publication date
NL6613723A (cs) 1967-04-03
DE1541403A1 (de) 1969-07-24

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