FR2655174B1 - Dispositif et procede pour indiquer la position d'un transpondeur par rapport a une position de reference. - Google Patents

Dispositif et procede pour indiquer la position d'un transpondeur par rapport a une position de reference.

Info

Publication number
FR2655174B1
FR2655174B1 FR8915656A FR8915656A FR2655174B1 FR 2655174 B1 FR2655174 B1 FR 2655174B1 FR 8915656 A FR8915656 A FR 8915656A FR 8915656 A FR8915656 A FR 8915656A FR 2655174 B1 FR2655174 B1 FR 2655174B1
Authority
FR
France
Prior art keywords
transponder
relation
indicating
reference position
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 - Fee Related
Application number
FR8915656A
Other languages
English (en)
Other versions
FR2655174A1 (fr
Inventor
George B. Litchford
Burton L. Hulland
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.)
Litchstreet Co
Original Assignee
Litchstreet Co
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 Litchstreet Co filed Critical Litchstreet Co
Publication of FR2655174A1 publication Critical patent/FR2655174A1/fr
Application granted granted Critical
Publication of FR2655174B1 publication Critical patent/FR2655174B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
    • G01S13/78—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted discriminating between different kinds of targets, e.g. IFF-radar, i.e. identification of friend or foe
    • G01S13/781—Secondary Surveillance Radar [SSR] in general
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/87—Combinations of radar systems, e.g. primary radar and secondary radar
    • 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
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/06—Position of source determined by co-ordinating a plurality of position lines defined by path-difference measurements

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar Systems Or Details Thereof (AREA)
FR8915656A 1989-07-13 1989-11-28 Dispositif et procede pour indiquer la position d'un transpondeur par rapport a une position de reference. Expired - Fee Related FR2655174B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/379,651 US4899156A (en) 1989-07-13 1989-07-13 Virtual ATCRBS using signals of remote SSR

Publications (2)

Publication Number Publication Date
FR2655174A1 FR2655174A1 (fr) 1991-05-31
FR2655174B1 true FR2655174B1 (fr) 1993-11-26

Family

ID=23498120

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8915656A Expired - Fee Related FR2655174B1 (fr) 1989-07-13 1989-11-28 Dispositif et procede pour indiquer la position d'un transpondeur par rapport a une position de reference.

Country Status (4)

Country Link
US (1) US4899156A (fr)
DE (1) DE3938340C2 (fr)
FR (1) FR2655174B1 (fr)
GB (1) GB2238200B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5388047A (en) * 1990-01-09 1995-02-07 Ryan International Corp. Aircraft traffic alert and collision avoidance device
US5140328A (en) * 1991-01-07 1992-08-18 Litchstreet Company Virtual secondary surveillance radar using signals of remote ssr
US6809679B2 (en) * 2002-09-05 2004-10-26 Massachusetts Institute Of Technology Surveillance system and method for aircraft approach and landing
US8358677B2 (en) * 2008-06-24 2013-01-22 Honeywell International Inc. Virtual or remote transponder

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1017835A (en) * 1972-12-22 1977-09-20 George B. Litchford Collison avoidance/proximity warning system using secondary radar
US3875570A (en) * 1973-03-27 1975-04-01 Litchstreet Co Adaptive proximity indicating system
US4115771A (en) * 1976-05-11 1978-09-19 Litchstreet Co. Passive ATCRBS using signals of remote SSR
JPS5338288A (en) * 1976-09-20 1978-04-08 Toyo Communication Equip System for measuring distance for aircraft collision preventive device using radar beacon
GB1566390A (en) * 1977-05-17 1980-04-30 Litchstreet Co Radio location
US4642648A (en) * 1982-02-22 1987-02-10 Litchstreet Co. Simple passive/active proximity warning system
US4486755A (en) * 1982-02-22 1984-12-04 Litchstreet Co. Collision avoidance system
FR2614455B1 (fr) * 1985-12-20 1994-12-02 Litchstreet Co Procede et appareil anti-collision et de mesure de gisement pour aeronefs
US4789865A (en) * 1987-10-21 1988-12-06 Litchstreet Co. Collision avoidance system

Also Published As

Publication number Publication date
GB2238200A (en) 1991-05-22
DE3938340C2 (de) 1994-10-20
GB2238200B (en) 1993-12-22
DE3938340A1 (de) 1991-05-23
US4899156A (en) 1990-02-06
FR2655174A1 (fr) 1991-05-31
GB8925914D0 (en) 1990-01-04

Similar Documents

Publication Publication Date Title
FR2653875B1 (fr) Procede de determination de la position d'un engin par acquisition et identification d'etoiles.
FR2503201B1 (fr) Procede et dispositif pour regler et agir sur la forme d'une couture
FR2549525B1 (fr) Procede et dispositif pour determiner l'orientation d'un instrument de topographie dans un trou de sondage
FR2668408B1 (fr) Dispositif de repere pour une face plane et systeme d'usinage le mettant en óoeuvre.
FR2600778B1 (fr) Dispositif radar pour mesurer la distance qui le separe d'une surface
FR2615616B1 (fr) Procede et dispositif pour determiner le passage a l'apogee
FR2584670B1 (fr) Dispositif autolubrifiant pour attelage d'engins semi-remorques
FR2654989B1 (fr) Dispositif d'anneau pour roulage a plat.
FR2650095B1 (fr) Procede et dispositif d'information pour fournir sur place des informations a une personne portant sur elle-meme le dispositif, par exemple un passager dans un aeroport
FR2580800B1 (fr) Procede et dispositif pour la representation de l'horizon a bord des aeronefs
FR2652072B1 (fr) Dispositif pour le deplacxement d'un objet parallelement a la courbure et a proximite d'une surface a profil variable.
FR2626504B1 (fr) Procede et dispositif pour l'adressage a un destinataire
FR2655174B1 (fr) Dispositif et procede pour indiquer la position d'un transpondeur par rapport a une position de reference.
FR2578530B1 (fr) Dispositif de transvasement d'un liquide
FR2649370B1 (fr) Dispositif d'essuie-glace pour vehicules
FR2683036B1 (fr) Procede et dispositif de determination de l'orientation d'un solide.
FR2743175B1 (fr) Procede et dispositif pour distinguer le type d'un vehicule
FR2730436B1 (fr) Procede et dispositif pour le dessablage d'une piece de fonderie
FR2670306B1 (fr) Procede et dispositif de positionnement automatique d'une surface reflechissante.
FR2658302B1 (fr) Procede, et dispositif, de mesure unique pour visualiser et qualifier la linearite d'une chaine de transmission.
FR2593599B1 (fr) Procede et dispositif de determination sans contact du relief d'une surface
FR2597382B1 (fr) Dispositif de positionnement pour le vissage et le devissage d'un ecrou.
FR2589232B1 (fr) Dispositif de detection d'etoile pour un satellite
FR2647068B1 (fr) Dispositif de marquage d'un vehicule
FR2582389B1 (fr) Procede et dispositif pour porter sur une carte la position d'un observateur

Legal Events

Date Code Title Description
ST Notification of lapse