GB2268266B - Fish farm cage security system - Google Patents

Fish farm cage security system

Info

Publication number
GB2268266B
GB2268266B GB9311899A GB9311899A GB2268266B GB 2268266 B GB2268266 B GB 2268266B GB 9311899 A GB9311899 A GB 9311899A GB 9311899 A GB9311899 A GB 9311899A GB 2268266 B GB2268266 B GB 2268266B
Authority
GB
United Kingdom
Prior art keywords
security system
fish farm
farm cage
cage security
fish
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
GB9311899A
Other versions
GB9311899D0 (en
GB2268266A (en
Inventor
John Mansel Ace-Hopkins
Stephen Edward Jackman
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.)
SEACALM Ltd
Thales Underwater Systems Ltd
Original Assignee
SEACALM Ltd
Ferranti Thomson Sonar Systems UK Ltd
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 SEACALM Ltd, Ferranti Thomson Sonar Systems UK Ltd filed Critical SEACALM Ltd
Publication of GB9311899D0 publication Critical patent/GB9311899D0/en
Publication of GB2268266A publication Critical patent/GB2268266A/en
Application granted granted Critical
Publication of GB2268266B publication Critical patent/GB2268266B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/16—Actuation by interference with mechanical vibrations in air or other fluid
    • G08B13/1654—Actuation by interference with mechanical vibrations in air or other fluid using passive vibration detection systems
    • G08B13/1672—Actuation by interference with mechanical vibrations in air or other fluid using passive vibration detection systems using sonic detecting means, e.g. a microphone operating in the audio frequency range
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00—Culture of aquatic animals
    • A01K61/60—Floating cultivation devices, e.g. rafts or floating fish-farms
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81—Aquaculture, e.g. of fish
GB9311899A 1992-06-27 1993-06-09 Fish farm cage security system Expired - Fee Related GB2268266B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB929213715A GB9213715D0 (en) 1992-06-27 1992-06-27 Fish farm cage security system

Publications (3)

Publication Number Publication Date
GB9311899D0 GB9311899D0 (en) 1993-07-28
GB2268266A GB2268266A (en) 1994-01-05
GB2268266B true GB2268266B (en) 1996-03-20

Family

ID=10717857

Family Applications (2)

Application Number Title Priority Date Filing Date
GB929213715A Pending GB9213715D0 (en) 1992-06-27 1992-06-27 Fish farm cage security system
GB9311899A Expired - Fee Related GB2268266B (en) 1992-06-27 1993-06-09 Fish farm cage security system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB929213715A Pending GB9213715D0 (en) 1992-06-27 1992-06-27 Fish farm cage security system

Country Status (5)

Country Link
JP (1) JPH08501445A (en)
AU (1) AU4349893A (en)
CA (1) CA2139101A1 (en)
GB (2) GB9213715D0 (en)
WO (1) WO1994000007A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2369025B (en) * 2000-11-18 2002-10-16 John Mansel Ace-Hopkins Scaring devices
ES2239493B1 (en) * 2003-01-23 2006-11-16 Fundacion Internacional Para La Proteccion Y Difusion Del Arte CONTROL AND SURVEILLANCE SYSTEM OF UNDERWATER ARCHAEOLOGICAL REMAINS AND WATER QUALITY.
GB0707204D0 (en) * 2007-04-14 2007-05-23 Gray Douglas Otter predation defence system
FR2996722A1 (en) * 2012-10-17 2014-04-18 Serge Menard AQUACULTURE INSTALLATION OF HIGH SEA
CN104304114B (en) * 2014-10-14 2016-07-06 浙江海洋学院 A kind of method that deep water net cage net clothing based on ultra-short baseline is monitored and device
WO2018059674A1 (en) * 2016-09-28 2018-04-05 Helgi Larsen A method for farming fish and an artificial barrier used for the method
FI127510B (en) 2017-12-22 2018-08-15 Raisioagro Oy System comprising alarm devices
FI127467B (en) 2017-12-22 2018-06-29 Raisioagro Oy Measuring waves travelling fish cage
CN112640821A (en) * 2020-12-23 2021-04-13 浙江海洋大学 Sound domestication method and effect test method for large yellow croaker cultured in seawater net cage

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990001758A1 (en) * 1988-08-11 1990-02-22 Robert Jones Security system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3803548A (en) * 1971-08-18 1974-04-09 Us Army Fence tampering alarm system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990001758A1 (en) * 1988-08-11 1990-02-22 Robert Jones Security system

Also Published As

Publication number Publication date
CA2139101A1 (en) 1994-01-06
GB9213715D0 (en) 1992-08-12
WO1994000007A1 (en) 1994-01-06
JPH08501445A (en) 1996-02-20
GB9311899D0 (en) 1993-07-28
GB2268266A (en) 1994-01-05
AU4349893A (en) 1994-01-24

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19990609