CA949178A - Radio navigation system - Google Patents

Radio navigation system

Info

Publication number
CA949178A
CA949178A CA112,832A CA112832A CA949178A CA 949178 A CA949178 A CA 949178A CA 112832 A CA112832 A CA 112832A CA 949178 A CA949178 A CA 949178A
Authority
CA
Canada
Prior art keywords
navigation system
radio navigation
radio
navigation
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
CA112,832A
Other versions
CA112832S (en
Inventor
Charles W. 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.)
ITT Canada Ltd
Original Assignee
ITT Canada 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 ITT Canada Ltd filed Critical ITT Canada Ltd
Application granted granted Critical
Publication of CA949178A publication Critical patent/CA949178A/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
    • G01S1/38—Systems for determining direction or position line using comparison of [1] the phase of the envelope of the change of frequency, due to Doppler effect, of the signal transmitted by an antenna moving, or appearing to move, in a cyclic path with [2] the phase of a reference signal, the frequency of this reference signal being synchronised with that of the cyclic movement, or apparent cyclic movement, of the antenna
    • G01S1/40—Systems for determining direction or position line using comparison of [1] the phase of the envelope of the change of frequency, due to Doppler effect, of the signal transmitted by an antenna moving, or appearing to move, in a cyclic path with [2] the phase of a reference signal, the frequency of this reference signal being synchronised with that of the cyclic movement, or apparent cyclic movement, of the antenna the apparent movement of the antenna being produced by cyclic sequential energisation of fixed antennas

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)
  • Navigation (AREA)
CA112,832A 1970-05-12 1971-05-12 Radio navigation system Expired CA949178A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2298470 1970-05-12

Publications (1)

Publication Number Publication Date
CA949178A true CA949178A (en) 1974-06-11

Family

ID=10188215

Family Applications (1)

Application Number Title Priority Date Filing Date
CA112,832A Expired CA949178A (en) 1970-05-12 1971-05-12 Radio navigation system

Country Status (7)

Country Link
JP (1) JPS5145440B1 (en)
CA (1) CA949178A (en)
CH (1) CH524146A (en)
DE (1) DE2123029C3 (en)
FR (1) FR2088516B1 (en)
GB (1) GB1327585A (en)
SE (1) SE369966B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5235748U (en) * 1975-09-04 1977-03-14
GB201223159D0 (en) 2012-12-21 2013-02-06 British American Tobacco Co Insertable filter unit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1038275A (en) * 1950-06-09 1953-09-28 Int Standard Electric Corp Rotating radio beacons
GB1236141A (en) * 1969-03-07 1971-06-23 Standard Telephones Cables Ltd Radio navigation system

Also Published As

Publication number Publication date
DE2123029C3 (en) 1980-07-10
FR2088516A1 (en) 1972-01-07
GB1327585A (en) 1973-08-22
SE369966B (en) 1974-09-23
FR2088516B1 (en) 1976-12-03
DE2123029B2 (en) 1979-10-18
JPS5145440B1 (en) 1976-12-03
CH524146A (en) 1972-06-15
DE2123029A1 (en) 1971-11-25

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