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
  • G01S1/308—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 particularly adapted to Omega systems

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)
• Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
• Optical Communication System (AREA)

Applications Claiming Priority (1)

Publications (3)

Family

ID=10466916

Family Applications (1)

Country Status (8)

Families Citing this family (5)

Family Cites Families (1)

• 1973
  • 1973-11-16 GB GB5318373A patent/GB1468016A/en not_active Expired
• 1974
  • 1974-11-15 NO NO744109A patent/NO142320C/no unknown
  • 1974-11-15 SE SE7414383A patent/SE404432B/xx not_active IP Right Cessation
  • 1974-11-15 DK DK596774AA patent/DK140269B/da not_active IP Right Cessation
  • 1974-11-15 US US05/524,124 patent/US3981015A/en not_active Expired - Lifetime
  • 1974-11-15 JP JP13122274A patent/JPS5621106B2/ja not_active Expired
  • 1974-11-15 FR FR7437672A patent/FR2251825B1/fr not_active Expired
  • 1974-11-15 DE DE2454360A patent/DE2454360C2/de not_active Expired

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