FR2130525A1 - - Google Patents

Info

Publication number
FR2130525A1
FR2130525A1 FR7209961A FR7209961A FR2130525A1 FR 2130525 A1 FR2130525 A1 FR 2130525A1 FR 7209961 A FR7209961 A FR 7209961A FR 7209961 A FR7209961 A FR 7209961A FR 2130525 A1 FR2130525 A1 FR 2130525A1
Authority
FR
France
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.)
Granted
Application number
FR7209961A
Other languages
French (fr)
Other versions
FR2130525B1 (enrdf_load_stackoverflow
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric 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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of FR2130525A1 publication Critical patent/FR2130525A1/fr
Application granted granted Critical
Publication of FR2130525B1 publication Critical patent/FR2130525B1/fr
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)
FR7209961A 1971-03-23 1972-03-22 Expired FR2130525B1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB754771 1971-03-23

Publications (2)

Publication Number Publication Date
FR2130525A1 true FR2130525A1 (enrdf_load_stackoverflow) 1972-11-03
FR2130525B1 FR2130525B1 (enrdf_load_stackoverflow) 1977-09-02

Family

ID=9835231

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7209961A Expired FR2130525B1 (enrdf_load_stackoverflow) 1971-03-23 1972-03-22

Country Status (4)

Country Link
DE (1) DE2213527A1 (enrdf_load_stackoverflow)
FR (1) FR2130525B1 (enrdf_load_stackoverflow)
GB (1) GB1317396A (enrdf_load_stackoverflow)
IT (1) IT950403B (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1408026A (en) * 1970-12-29 1975-10-01 Standard Telephones Cables Ltd Radio navigation beacon

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2026086A6 (enrdf_load_stackoverflow) * 1968-12-13 1970-09-11 Int Standard Electric Corp

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2026086A6 (enrdf_load_stackoverflow) * 1968-12-13 1970-09-11 Int Standard Electric Corp

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
(REVUE ALLEMANDE:"SEL NACHRICHTEN"VOL.6,NO.4, 1958 ARTICLE:"GROBBASISPEILER NACH DEM DOPPLERPRINZIP" PAGES 167-175 ) *
DOPPLERPRINZIP" PAGES 167-175 ) *
REVUE ALLEMANDE:"SEL NACHRICHTEN"VOL.6,NO.4, 1958 ARTICLE:"GROBBASISPEILER NACH DEM *

Also Published As

Publication number Publication date
GB1317396A (en) 1973-05-16
IT950403B (it) 1973-06-20
DE2213527A1 (de) 1972-10-05
FR2130525B1 (enrdf_load_stackoverflow) 1977-09-02

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Legal Events

Date Code Title Description
ST Notification of lapse