DK2850452T3 - Akustisk afstandsmåling til et trawl - Google Patents

Akustisk afstandsmåling til et trawl Download PDF

Info

Publication number
DK2850452T3
DK2850452T3 DK13782827.3T DK13782827T DK2850452T3 DK 2850452 T3 DK2850452 T3 DK 2850452T3 DK 13782827 T DK13782827 T DK 13782827T DK 2850452 T3 DK2850452 T3 DK 2850452T3
Authority
DK
Denmark
Prior art keywords
trawl
distance measurement
acoustic distance
acoustic
measurement
Prior art date
Application number
DK13782827.3T
Other languages
English (en)
Inventor
Henning Skjold-Larsen
Original Assignee
Scantrawl A S
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 Scantrawl A S filed Critical Scantrawl A S
Application granted granted Critical
Publication of DK2850452T3 publication Critical patent/DK2850452T3/da

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K73/00—Drawn nets
    • A01K73/02—Trawling nets
    • A01K73/04—Devices for spreading or positioning, e.g. control thereof
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K73/00—Drawn nets
    • A01K73/02—Trawling nets
    • A01K73/04—Devices for spreading or positioning, e.g. control thereof
    • A01K73/045—Devices for spreading or positioning, e.g. control thereof for lateral sheering, e.g. trawl boards
    • 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
    • G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
    • G01S11/14—Systems for determining distance or velocity not using reflection or reradiation using ultrasonic, sonic or infrasonic waves

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
DK13782827.3T 2012-05-16 2013-05-15 Akustisk afstandsmåling til et trawl DK2850452T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20120576A NO337136B1 (no) 2012-05-16 2012-05-16 Akustisk avstandsmåling til trål
PCT/IB2013/053961 WO2013171686A2 (en) 2012-05-16 2013-05-15 Acoustic distance measuring for a trawl

Publications (1)

Publication Number Publication Date
DK2850452T3 true DK2850452T3 (da) 2020-06-02

Family

ID=49485753

Family Applications (1)

Application Number Title Priority Date Filing Date
DK13782827.3T DK2850452T3 (da) 2012-05-16 2013-05-15 Akustisk afstandsmåling til et trawl

Country Status (6)

Country Link
US (1) US20150138921A1 (da)
EP (1) EP2850452B1 (da)
DK (1) DK2850452T3 (da)
ES (1) ES2792109T3 (da)
NO (1) NO337136B1 (da)
WO (1) WO2013171686A2 (da)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150156998A1 (en) * 2013-12-09 2015-06-11 Smart Catch LLC System, method, and platform for remote sensing and device manipulation in fishing environments
WO2017046821A1 (en) * 2015-09-14 2017-03-23 Ny Toghlerahonnun Ehf. Trawl door and novel connection therefor
WO2017046820A1 (en) * 2015-09-14 2017-03-23 Ny Toghlerahonnun Ehf. Hollow trawl door and water trap therefor
EP3349576B1 (en) * 2015-09-14 2021-05-05 NY Toghlerahonnun Ehf. Hollow trawl door and weights therefor
EP3349575B1 (en) 2015-09-14 2021-05-26 NY Toghlerahonnun Ehf. Airfoil shaped trawl door
US12571912B2 (en) 2023-04-19 2026-03-10 Airmar Technology Corporation System and method for underwater distance determination

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1086481B (de) * 1959-04-14 1960-08-04 Atlas Werke Ag Vorrichtung an Echographen fuer Fischereifahrzeuge
FR1597534A (da) * 1968-09-02 1970-06-29
US3824464A (en) * 1973-07-16 1974-07-16 Honeywell Inc Pulse detection systems
US5214617A (en) * 1990-02-21 1993-05-25 The Laitram Corporation Hydroacoustic ranging system
FR2659451B1 (fr) * 1990-03-06 1992-08-07 Thomson Csf Procede et dispositif de positionnement acoustique pour objet sous-marin et application a un chalut.
JPH10197623A (ja) * 1997-01-14 1998-07-31 Masanobu Yatsugi 海中測距離安全システム
NZ333002A (en) * 1997-11-26 2000-07-28 Ricoh Microelectronics Company Ultrasonic Doppler speed measurement
GB9814093D0 (en) * 1998-07-01 1998-08-26 Coda Technologies Ltd Subsea positioning system and apparatus
FR2833359B1 (fr) * 2001-12-10 2004-04-23 Inst Francais Du Petrole Systeme d'acquisition de donnees sismiques utilisant des stations d'acquisition posees sur le fond marin
JP4290646B2 (ja) * 2002-05-23 2009-07-08 インプット／アウトプット インコーポレイテッド Ｇｐｓ方式の水中ケーブル位置決めシステム
NO331379B1 (no) * 2009-02-03 2011-12-12 Henning Skjold-Larsen System og metode for a oppna okt noyaktighet ved maling av avstander under vann
NO331380B1 (no) * 2009-02-03 2011-12-12 Henning Skjold-Larsen Fremgangsmate for a bestemme forskjell i avstand
WO2011145140A1 (ja) * 2010-05-19 2011-11-24 三菱電機株式会社 障害物検知装置

Also Published As

Publication number Publication date
NO20120576A1 (no) 2013-11-18
NO337136B1 (no) 2016-01-25
WO2013171686A2 (en) 2013-11-21
US20150138921A1 (en) 2015-05-21
EP2850452B1 (en) 2020-04-15
WO2013171686A3 (en) 2014-03-06
EP2850452A2 (en) 2015-03-25
ES2792109T3 (es) 2020-11-10

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