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AU1686101A - Device for locating a person or an object in a liquid environment - Google Patents

Device for locating a person or an object in a liquid environment

Info

Publication number
AU1686101A
AU1686101A AU16861/01A AU1686101A AU1686101A AU 1686101 A AU1686101 A AU 1686101A AU 16861/01 A AU16861/01 A AU 16861/01A AU 1686101 A AU1686101 A AU 1686101A AU 1686101 A AU1686101 A AU 1686101A
Authority
AU
Australia
Prior art keywords
locating
person
liquid environment
environment
liquid
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.)
Abandoned
Application number
AU16861/01A
Other languages
English (en)
Inventor
Michel Declercq
Patrick Favre
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.)
Ecole Polytechnique Federale de Lausanne EPFL
Original Assignee
ECOLE POLYTECH
Ecole Polytechnique Federale de Lausanne EPFL
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 ECOLE POLYTECH, Ecole Polytechnique Federale de Lausanne EPFL filed Critical ECOLE POLYTECH
Publication of AU1686101A publication Critical patent/AU1686101A/en
Abandoned 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
    • 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
    • G01S3/52—Systems for determining direction or deviation from predetermined direction using a receiving antenna moving, or appearing to move, in a cyclic path to produce a Doppler variation of frequency of the received signal
    • G01S3/54—Systems for determining direction or deviation from predetermined direction using a receiving antenna moving, or appearing to move, in a cyclic path to produce a Doppler variation of frequency of the received signal the apparent movement of the antenna being produced by coupling the receiver cyclically and sequentially to each of several fixed spaced antennas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C9/00—Life-saving in water
    • B63C9/0005—Life-saving in water by means of alarm devices for persons falling into the water, e.g. by signalling, by controlling the propulsion or manoeuvring means of the boat

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
AU16861/01A 1999-12-16 2000-12-15 Device for locating a person or an object in a liquid environment Abandoned AU1686101A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9915859A FR2802651B1 (fr) 1999-12-16 1999-12-16 Dispositif de reperage d'un homme ou d'un objet dans un milieu liquide
FR9915859 1999-12-16
PCT/CH2000/000665 WO2001044830A1 (fr) 1999-12-16 2000-12-15 Dispositif de reperage d'un homme ou d'un objet dans un milieu liquide

Publications (1)

Publication Number Publication Date
AU1686101A true AU1686101A (en) 2001-06-25

Family

ID=9553316

Family Applications (1)

Application Number Title Priority Date Filing Date
AU16861/01A Abandoned AU1686101A (en) 1999-12-16 2000-12-15 Device for locating a person or an object in a liquid environment

Country Status (3)

Country Link
AU (1) AU1686101A (fr)
FR (1) FR2802651B1 (fr)
WO (1) WO2001044830A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2392032B (en) * 2002-08-15 2006-08-23 Kiddielink Ltd Locating system, device and method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4053883A (en) * 1976-04-14 1977-10-11 Safe Flight Instrument Corporation Fixed dual beam range scanning and tracking radar with digital display
NL186344C (nl) * 1978-04-18 1990-11-01 Mitsubishi Electric Corp Radarbaken.
GB8901344D0 (en) * 1989-01-21 1989-03-15 Beacham Allan Emergency rescue system
DE4311473A1 (de) * 1993-04-07 1994-10-13 Deutsche Aerospace Rettungsverfahren für eine über Bord eines Schiffes gegangene Person und Anordnung zur Durchführung des Verfahrens
US5945947A (en) * 1998-06-25 1999-08-31 Doppler Systems, Inc. Synthetic doppler direction finder for use with FSK encoded transmitters

Also Published As

Publication number Publication date
FR2802651A1 (fr) 2001-06-22
WO2001044830A1 (fr) 2001-06-21
FR2802651B1 (fr) 2004-09-03

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase