GB1334485A - Aircraft navigation means - Google Patents

Aircraft navigation means

Info

Publication number
GB1334485A
GB1334485A GB1448972A GB1448972A GB1334485A GB 1334485 A GB1334485 A GB 1334485A GB 1448972 A GB1448972 A GB 1448972A GB 1448972 A GB1448972 A GB 1448972A GB 1334485 A GB1334485 A GB 1334485A
Authority
GB
United Kingdom
Prior art keywords
transmitter
sin
signal
amplitude modulation
vor
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
GB1448972A
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.)
Unisys Corp
Original Assignee
Sperry Rand Corp
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 Sperry Rand Corp filed Critical Sperry Rand Corp
Publication of GB1334485A publication Critical patent/GB1334485A/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
    • 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)
  • Radar Systems Or Details Thereof (AREA)
GB1448972A 1971-04-05 1972-03-28 Aircraft navigation means Expired GB1334485A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13101371A 1971-04-05 1971-04-05

Publications (1)

Publication Number Publication Date
GB1334485A true GB1334485A (en) 1973-10-17

Family

ID=22447478

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1448972A Expired GB1334485A (en) 1971-04-05 1972-03-28 Aircraft navigation means

Country Status (7)

Country Link
US (1) US3781880A (https=)
JP (1) JPS4862200A (https=)
CA (1) CA998459A (https=)
DE (1) DE2216455A1 (https=)
FR (1) FR2132311B1 (https=)
GB (1) GB1334485A (https=)
IT (1) IT952478B (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4060809A (en) * 1975-04-09 1977-11-29 Baghdady Elie J Tracking and position determination system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2664560A (en) * 1949-12-01 1953-12-29 Sperry Corp Radio aid to navigation
US3075190A (en) * 1956-12-27 1963-01-22 North American Aviation Inc Position indicator system
US3173140A (en) * 1959-02-20 1965-03-09 Servo Corp Of America Doppler omnirange navigational system
DE1237647B (de) * 1963-03-09 1967-03-30 Standard Elektrik Lorenz Ag Allrichtungs-Funkortungsverfahren nach dem Dopplerprinzip
US3430243A (en) * 1966-04-04 1969-02-25 Robley D Evans Method of and apparatus for determining the distance and/or angles between objects with the aid of radiant energy
US3453624A (en) * 1968-02-20 1969-07-01 Hughes Aircraft Co System for determining craft position

Also Published As

Publication number Publication date
CA998459A (en) 1976-10-12
DE2216455A1 (de) 1972-10-26
JPS4862200A (https=) 1973-08-30
FR2132311B1 (https=) 1978-05-26
IT952478B (it) 1973-07-20
FR2132311A1 (https=) 1972-11-17
US3781880A (en) 1973-12-25

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee