PT87924A - Processo de radiolocalizacao de um veiculo portador de um dispositivo receptor, por medicao das diferencas de tempos de recepcao de sinais de radiofrequencia e dispositivo receptor para a realizacao deste processo - Google Patents

Processo de radiolocalizacao de um veiculo portador de um dispositivo receptor, por medicao das diferencas de tempos de recepcao de sinais de radiofrequencia e dispositivo receptor para a realizacao deste processo

Info

Publication number
PT87924A
PT87924A PT87924A PT8792488A PT87924A PT 87924 A PT87924 A PT 87924A PT 87924 A PT87924 A PT 87924A PT 8792488 A PT8792488 A PT 8792488A PT 87924 A PT87924 A PT 87924A
Authority
PT
Portugal
Prior art keywords
receiving
radiolocalizing
radiofrequency
signs
realization
Prior art date
Application number
PT87924A
Other languages
English (en)
Other versions
PT87924B (pt
Inventor
Christian Jean Lamiraux
Original Assignee
Mlr Electronique
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 Mlr Electronique filed Critical Mlr Electronique
Publication of PT87924A publication Critical patent/PT87924A/pt
Publication of PT87924B publication Critical patent/PT87924B/pt

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
    • G01S1/20—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems
    • G01S1/24—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems the synchronised signals being pulses or equivalent modulations on carrier waves and the transit times being compared by measuring the difference in arrival time of a significant part of the modulations, e.g. LORAN systems
    • G01S1/245—Details of receivers cooperating therewith, e.g. determining positive zero crossing of third cycle in LORAN-C

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Circuits Of Receivers In General (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Electric Clocks (AREA)
  • Burglar Alarm Systems (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
PT87924A 1987-07-06 1988-07-06 Processo de radiolocalizacao de um veiculo portador de um dispositivo receptor, por medicao das diferencas de tempos de recepcao de sinais de radiofrequencia e dispositivo receptor para a realizacao deste processo PT87924B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8709556A FR2617980B1 (fr) 1987-07-06 1987-07-06 Procede de radiolocalisation d'un vehicule porteur d'un dispositif recepteur, par mesure des differences de temps de reception de signaux de radiofrequence et dispositif recepteur pour la mise en oeuvre de ce procede

Publications (2)

Publication Number Publication Date
PT87924A true PT87924A (pt) 1989-06-30
PT87924B PT87924B (pt) 1993-09-30

Family

ID=9352907

Family Applications (1)

Application Number Title Priority Date Filing Date
PT87924A PT87924B (pt) 1987-07-06 1988-07-06 Processo de radiolocalizacao de um veiculo portador de um dispositivo receptor, por medicao das diferencas de tempos de recepcao de sinais de radiofrequencia e dispositivo receptor para a realizacao deste processo

Country Status (13)

Country Link
US (1) US4959655A (pt)
EP (1) EP0299848B1 (pt)
AT (1) ATE96549T1 (pt)
CA (1) CA1294692C (pt)
DE (1) DE3885173T2 (pt)
DK (1) DK168926B1 (pt)
ES (1) ES2051877T3 (pt)
FR (1) FR2617980B1 (pt)
HK (1) HK1007600A1 (pt)
IE (1) IE882035L (pt)
IS (1) IS1473B6 (pt)
NO (1) NO172612C (pt)
PT (1) PT87924B (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1221684B1 (en) 2000-12-05 2006-05-03 Siemens Aktiengesellschaft A method, system and portable device for locating a vehicle
US9348799B2 (en) * 2005-12-09 2016-05-24 Adobe Systems Incorporated Forming a master page for an electronic document
US8902102B2 (en) * 2011-11-01 2014-12-02 The Boeing Company Passive bistatic radar for vehicle sense and avoid

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3493970A (en) * 1967-07-03 1970-02-03 Berthold A Knauth Loran relay system
US3701018A (en) * 1971-02-22 1972-10-24 Motorola Inc Acquisition method for multi-transmission position locating or navigating systems
US3947849A (en) * 1974-06-20 1976-03-30 The Johns Hopkins University Loran receiver-navigator
FR2518758A1 (fr) * 1981-12-18 1983-06-24 Tech Electro Cie Indle Dispositif recepteur d'au moins deux systemes de radio-navigation
JPS59197876A (ja) * 1983-04-26 1984-11-09 Nissan Motor Co Ltd ロランｃ信号の自動検出装置

Also Published As

Publication number Publication date
US4959655A (en) 1990-09-25
DK373388D0 (da) 1988-07-05
DE3885173D1 (de) 1993-12-02
EP0299848A1 (fr) 1989-01-18
IS1473B6 (is) 1991-09-24
ATE96549T1 (de) 1993-11-15
IE882035L (en) 1989-01-06
NO172612C (no) 1993-08-11
FR2617980B1 (fr) 1990-03-23
CA1294692C (en) 1992-01-21
DK373388A (da) 1989-02-14
DK168926B1 (da) 1994-07-11
HK1007600A1 (en) 1999-04-16
ES2051877T3 (es) 1994-07-01
IS3368A7 (is) 1989-01-07
EP0299848B1 (fr) 1993-10-27
NO172612B (no) 1993-05-03
PT87924B (pt) 1993-09-30
FR2617980A1 (fr) 1989-01-13
DE3885173T2 (de) 1994-04-07
NO882988D0 (no) 1988-07-05
NO882988L (no) 1989-01-09

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Legal Events

Date Code Title Description
FG3A Patent granted, date of granting

Effective date: 19930324

MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 20000930