GB651259A - Navigation aiding radio systems - Google Patents

Navigation aiding radio systems

Info

Publication number
GB651259A
GB651259A GB18195/47A GB1819547A GB651259A GB 651259 A GB651259 A GB 651259A GB 18195/47 A GB18195/47 A GB 18195/47A GB 1819547 A GB1819547 A GB 1819547A GB 651259 A GB651259 A GB 651259A
Authority
GB
United Kingdom
Prior art keywords
pulses
trace
pulse
sweep
circuit
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
GB18195/47A
Other languages
English (en)
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi Co 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 Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Publication of GB651259A publication Critical patent/GB651259A/en
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
    • G01S1/245—Details of receivers cooperating therewith, e.g. determining positive zero crossing of third cycle in LORAN-C

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
GB18195/47A 1946-07-10 1947-07-09 Navigation aiding radio systems Expired GB651259A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US651259XA 1946-07-10 1946-07-10

Publications (1)

Publication Number Publication Date
GB651259A true GB651259A (en) 1951-03-14

Family

ID=22060499

Family Applications (1)

Application Number Title Priority Date Filing Date
GB18195/47A Expired GB651259A (en) 1946-07-10 1947-07-09 Navigation aiding radio systems

Country Status (2)

Country Link
BE (1) BE474400A (ru)
GB (1) GB651259A (ru)

Also Published As

Publication number Publication date
BE474400A (ru)

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