HK34397A - Method and device for determining an orientation related to a mobile system particularly the line of sight in a helmet sighting - Google Patents

Method and device for determining an orientation related to a mobile system particularly the line of sight in a helmet sighting

Info

Publication number
HK34397A
HK34397A HK34397A HK34397A HK34397A HK 34397 A HK34397 A HK 34397A HK 34397 A HK34397 A HK 34397A HK 34397 A HK34397 A HK 34397A HK 34397 A HK34397 A HK 34397A
Authority
HK
Hong Kong
Prior art keywords
sight
line
cockpit
sensor
transmitter
Prior art date
Application number
HK34397A
Inventor
Pierre Zimmer
Alain Cordonnier
Original Assignee
Sextant Avionique
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 Sextant Avionique filed Critical Sextant Avionique
Publication of HK34397A publication Critical patent/HK34397A/en

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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G01S3/143—Systems for determining direction or deviation from predetermined direction by vectorial combination of signals derived from differently oriented antennae
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G3/00—Aiming or laying means
    • F41G3/22—Aiming or laying means for vehicle-borne armament, e.g. on aircraft
    • F41G3/225—Helmet sighting systems
    • 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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/023—Monitoring or calibrating

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Helmets And Other Head Coverings (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Measuring Magnetic Variables (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)

Abstract

A method for determining a line of sight from a sighting device mounted on a helmet provided with a sensor (2) with three orthogonal magnetic coils, in relation to a reference attached to an aircraft and having the form of a transmitter (1) having three orthogonal magnetic coils. According to the method, the cockpit is first magnetically mapped. For this purpose, sets of field measurements detected by the sensor for the fields successively produced by the transmitter's three coils for various known positions and attitudes of the sensor in the cockpit are established and memorized. Then, the cockpit is magnetically modelled on the basis of said measurements. In flight, the matrix of measurements, combined with a transmitter transmission cycle initiated when the pilot confirms a directional line of sight determined in relation to his helmet, allows the orientation of said line of sight in the aircraft reference to be accurately calculated on the basis of the model previously made. The method can be used for sighting from helicopters where the cockpit causes disturbances because of field reflexions from metal components.
HK34397A 1990-06-29 1997-03-20 Method and device for determining an orientation related to a mobile system particularly the line of sight in a helmet sighting HK34397A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9008230A FR2664044B1 (en) 1990-06-29 1990-06-29 METHOD AND DEVICE FOR DETERMINING AN ORIENTATION LINKED TO A MOBILE SYSTEM, IN PARTICULAR OF THE SIGHT LINE IN A HELMET VIEWFINDER.
PCT/FR1991/000478 WO1992000529A1 (en) 1990-06-29 1991-06-14 Method and device for determining an orientation related to a mobile system, particularly the line of sight in a helmet sighting

Publications (1)

Publication Number Publication Date
HK34397A true HK34397A (en) 1997-03-27

Family

ID=9398165

Family Applications (1)

Application Number Title Priority Date Filing Date
HK34397A HK34397A (en) 1990-06-29 1997-03-20 Method and device for determining an orientation related to a mobile system particularly the line of sight in a helmet sighting

Country Status (9)

Country Link
EP (1) EP0536184B1 (en)
JP (1) JP2994463B2 (en)
AT (1) ATE109897T1 (en)
CA (1) CA2086234A1 (en)
DE (1) DE69103422T2 (en)
ES (1) ES2057902T3 (en)
FR (1) FR2664044B1 (en)
HK (1) HK34397A (en)
WO (1) WO1992000529A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5307072A (en) * 1992-07-09 1994-04-26 Polhemus Incorporated Non-concentricity compensation in position and orientation measurement systems
FR2722299B1 (en) * 1994-07-05 1996-08-14 Sextant Avionique METHOD FOR COMPENSATING FOR ELETROMAGNETIC DISTURBANCES DUE TO MAGNETIC ELEMENTS AND MOBILE CONDUCTORS, APPLIED IN PARTICULAR TO A HELMET VIEWFINDER
US6154024A (en) * 1998-05-22 2000-11-28 Honeywell, Inc. Metal immune magnetic tracker
IL137520A (en) 2000-07-25 2010-06-16 Elbit Systems Ltd Estimating position and orientation in electromagnetic systems
CA2507639C (en) 2002-11-29 2013-08-06 Rhodia Organique Fine Limited Chiller refrigerants
JP4577196B2 (en) * 2005-11-30 2010-11-10 株式会社島津製作所 Magnetic mapping apparatus and its mounting position correction method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2458838A1 (en) * 1979-06-06 1981-01-02 Thomson Csf DEVICE FOR MEASURING THE RELATIVE ORIENTATION OF TWO BODIES AND CORRESPONDING STEERING SYSTEM
US4287809A (en) * 1979-08-20 1981-09-08 Honeywell Inc. Helmet-mounted sighting system
US4688037A (en) * 1980-08-18 1987-08-18 Mcdonnell Douglas Corporation Electromagnetic communications and switching system
DE3326254A1 (en) * 1983-07-21 1985-01-31 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Direction-finding receiver with several direction-finding channels
GB2173079B (en) * 1985-03-29 1988-05-18 Ferranti Plc Cursor display control apparatus
DE3834331A1 (en) * 1988-10-08 1990-04-12 Rohde & Schwarz HIGH-FREQUENCY DIARING PROCESS FOR MOBILE USE, IN PARTICULAR IN MOTOR VEHICLES

Also Published As

Publication number Publication date
CA2086234A1 (en) 1991-12-30
EP0536184A1 (en) 1993-04-14
EP0536184B1 (en) 1994-08-10
DE69103422T2 (en) 1994-12-01
FR2664044B1 (en) 1993-05-14
ATE109897T1 (en) 1994-08-15
ES2057902T3 (en) 1994-10-16
DE69103422D1 (en) 1994-09-15
FR2664044A1 (en) 1992-01-03
JP2994463B2 (en) 1999-12-27
JPH06501543A (en) 1994-02-17
WO1992000529A1 (en) 1992-01-09

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)