GB2222805B - Improvements in or relating to underwater communication devices - Google Patents

Improvements in or relating to underwater communication devices

Info

Publication number
GB2222805B
GB2222805B GB8820719A GB8820719A GB2222805B GB 2222805 B GB2222805 B GB 2222805B GB 8820719 A GB8820719 A GB 8820719A GB 8820719 A GB8820719 A GB 8820719A GB 2222805 B GB2222805 B GB 2222805B
Authority
GB
United Kingdom
Prior art keywords
relating
communication devices
underwater communication
underwater
devices
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
GB8820719A
Other versions
GB8820719D0 (en
GB2222805A (en
Inventor
Christopher Daniel Dowl Hickey
Bernhard Dollman Parker
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.)
Lawborough Consultants Ltd
Original Assignee
Lawborough Consultants 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 Lawborough Consultants Ltd filed Critical Lawborough Consultants Ltd
Priority to GB8820719A priority Critical patent/GB2222805B/en
Publication of GB8820719D0 publication Critical patent/GB8820719D0/en
Priority to DE1989610620 priority patent/DE68910620T2/en
Priority to EP19890308857 priority patent/EP0357441B1/en
Priority to DK436489A priority patent/DK436489A/en
Publication of GB2222805A publication Critical patent/GB2222805A/en
Application granted granted Critical
Publication of GB2222805B publication Critical patent/GB2222805B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/04—Adaptation for subterranean or subaqueous use
GB8820719A 1988-09-02 1988-09-02 Improvements in or relating to underwater communication devices Expired - Fee Related GB2222805B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB8820719A GB2222805B (en) 1988-09-02 1988-09-02 Improvements in or relating to underwater communication devices
DE1989610620 DE68910620T2 (en) 1988-09-02 1989-09-01 Underwater communication devices.
EP19890308857 EP0357441B1 (en) 1988-09-02 1989-09-01 Improvements in or relating to underwater communication devices
DK436489A DK436489A (en) 1988-09-02 1989-09-04 UNDERGROUND COMMUNICATION EQUIPMENT

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8820719A GB2222805B (en) 1988-09-02 1988-09-02 Improvements in or relating to underwater communication devices

Publications (3)

Publication Number Publication Date
GB8820719D0 GB8820719D0 (en) 1989-03-30
GB2222805A GB2222805A (en) 1990-03-21
GB2222805B true GB2222805B (en) 1992-04-29

Family

ID=10643043

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8820719A Expired - Fee Related GB2222805B (en) 1988-09-02 1988-09-02 Improvements in or relating to underwater communication devices

Country Status (4)

Country Link
EP (1) EP0357441B1 (en)
DE (1) DE68910620T2 (en)
DK (1) DK436489A (en)
GB (1) GB2222805B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6779460B2 (en) 2000-11-03 2004-08-24 Lawborough International Limited Support vessel for self-burying mines

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6130642A (en) * 1997-03-04 2000-10-10 The United States Of America As Represented By The Secretary Of The Navy Method and system to improve GPS navigation
GB9924246D0 (en) * 1999-10-13 2000-09-06 Lawborough Consultants Improvements in or relating to enclosures for installations on the seabed
RU184783U1 (en) * 2018-01-31 2018-11-08 Федеральное Государственное Казенное Военное Образовательное Учреждение Высшего Образования "Тихоокеанское Высшее Военно-Морское Училище Имени С.О. Макарова" Министерства Обороны Российской Федерации (Г. Владивосток) Microcontroller sonar buoy

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2148798A (en) * 1983-08-15 1985-06-05 Cochrane Subsea Acoustics Inc Subsea accoustic relocation system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3460058A (en) * 1960-10-25 1969-08-05 Itt Radio sonobuoy
US4189786A (en) * 1962-06-29 1980-02-19 Adler Ronald E Radio buoy assembly
GB1534852A (en) * 1967-11-23 1978-12-06 Ultra Electronics Ltd Underwater detection equipment
DE2209544A1 (en) * 1972-02-29 1973-09-13 Dynamit Nobel Ag SIGNAL DEVICE FOR SHIPS IN EMERGENCY
DE3380273D1 (en) * 1982-10-28 1989-08-31 Underwater Storage Ltd Underwater weapon systems
WO1986004873A1 (en) * 1985-02-19 1986-08-28 Cochrane Subsea Acoustics, Inc. Subsea acoustic relocation system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2148798A (en) * 1983-08-15 1985-06-05 Cochrane Subsea Acoustics Inc Subsea accoustic relocation system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6779460B2 (en) 2000-11-03 2004-08-24 Lawborough International Limited Support vessel for self-burying mines

Also Published As

Publication number Publication date
EP0357441B1 (en) 1993-11-10
DK436489D0 (en) 1989-09-04
GB8820719D0 (en) 1989-03-30
EP0357441A1 (en) 1990-03-07
GB2222805A (en) 1990-03-21
DK436489A (en) 1990-03-03
DE68910620T2 (en) 1994-03-03
DE68910620D1 (en) 1993-12-16

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Legal Events

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

Effective date: 20050902

728V Application for restoration filed (sect. 28/1977)
728Y Application for restoration allowed (sect. 28/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20070902