FR2072303A5 - - Google Patents

Info

Publication number
FR2072303A5
FR2072303A5 FR7042139A FR7042139A FR2072303A5 FR 2072303 A5 FR2072303 A5 FR 2072303A5 FR 7042139 A FR7042139 A FR 7042139A FR 7042139 A FR7042139 A FR 7042139A FR 2072303 A5 FR2072303 A5 FR 2072303A5
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.)
Expired
Application number
FR7042139A
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
Priority claimed from DE19691958932 external-priority patent/DE1958932B2/de
Priority claimed from DE19691958931 external-priority patent/DE1958931A1/de
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR2072303A5 publication Critical patent/FR2072303A5/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)
  • Radar Systems Or Details Thereof (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
FR7042139A 1969-11-24 1970-11-24 Expired FR2072303A5 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19691958932 DE1958932B2 (de) 1969-11-24 1969-11-24 Verfahren zur messung des elevationswinkels in bordanlagen im zusammenarbeiten mit einem doppler funkfeuer
DE19691958931 DE1958931A1 (de) 1969-11-24 1969-11-24 Verfahren zur Frequenzmessung

Publications (1)

Publication Number Publication Date
FR2072303A5 true FR2072303A5 (fr) 1971-09-24

Family

ID=25758150

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7042139A Expired FR2072303A5 (fr) 1969-11-24 1970-11-24

Country Status (3)

Country Link
US (1) US3774212A (fr)
BE (1) BE759259A (fr)
FR (1) FR2072303A5 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2181553A1 (fr) * 1972-04-28 1973-12-07 Labo Cent Telecommunicat

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1347309A (en) * 1971-10-08 1974-02-27 Marconi Co Ltd Position locating arrangements
US3866227A (en) * 1973-03-15 1975-02-11 Rca Corp Doppler tracker receiver
GB1436786A (en) * 1973-11-27 1976-05-26 Standard Telephones Cables Ltd Radio navigatin receiver
US7495611B2 (en) * 2007-07-03 2009-02-24 The United States Of America As Represented By The Secretary Of The Navy Method for determining signal direction using artificial doppler shifts

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3094666A (en) * 1961-05-01 1963-06-18 Lab For Electronics Inc Quadrature axis-crossing counter
NL285388A (fr) * 1961-11-10
DE1237647B (de) * 1963-03-09 1967-03-30 Standard Elektrik Lorenz Ag Allrichtungs-Funkortungsverfahren nach dem Dopplerprinzip
US3524131A (en) * 1967-09-25 1970-08-11 John A Mcwaid High speed frequency computing apparatus
GB1236141A (en) * 1969-03-07 1971-06-23 Standard Telephones Cables Ltd Radio navigation system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2181553A1 (fr) * 1972-04-28 1973-12-07 Labo Cent Telecommunicat

Also Published As

Publication number Publication date
US3774212A (en) 1973-11-20
BE759259A (fr) 1971-05-24

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Legal Events

Date Code Title Description
ST Notification of lapse