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GB494697A - Improvements in or relating to navigation aiding radio systems - Google Patents

Improvements in or relating to navigation aiding radio systems

Info

Publication number
GB494697A
GB494697A GB1239037A GB1239037A GB494697A GB 494697 A GB494697 A GB 494697A GB 1239037 A GB1239037 A GB 1239037A GB 1239037 A GB1239037 A GB 1239037A GB 494697 A GB494697 A GB 494697A
Authority
GB
United Kingdom
Prior art keywords
audible
wave
amplitude
direct wave
frequency
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
GB1239037A
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
Priority to GB1239037A priority Critical patent/GB494697A/en
Priority to FR837201D priority patent/FR837201A/fr
Publication of GB494697A publication Critical patent/GB494697A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Transceivers (AREA)
GB1239037A 1937-04-30 1937-04-30 Improvements in or relating to navigation aiding radio systems Expired GB494697A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1239037A GB494697A (en) 1937-04-30 1937-04-30 Improvements in or relating to navigation aiding radio systems
FR837201D FR837201A (fr) 1937-04-30 1938-04-27 Perfectionnements aux dispositifs radioélectriques auxiliaires de navigation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1239037A GB494697A (en) 1937-04-30 1937-04-30 Improvements in or relating to navigation aiding radio systems

Publications (1)

Publication Number Publication Date
GB494697A true GB494697A (en) 1938-10-31

Family

ID=10003683

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1239037A Expired GB494697A (en) 1937-04-30 1937-04-30 Improvements in or relating to navigation aiding radio systems

Country Status (2)

Country Link
FR (1) FR837201A (fr)
GB (1) GB494697A (fr)

Also Published As

Publication number Publication date
FR837201A (fr) 1939-02-06

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