GB9715513D0 - Underwater communications systems - Google Patents

Underwater communications systems

Info

Publication number
GB9715513D0
GB9715513D0 GBGB9715513.9A GB9715513A GB9715513D0 GB 9715513 D0 GB9715513 D0 GB 9715513D0 GB 9715513 A GB9715513 A GB 9715513A GB 9715513 D0 GB9715513 D0 GB 9715513D0
Authority
GB
United Kingdom
Prior art keywords
communications systems
underwater communications
underwater
systems
communications
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.)
Withdrawn
Application number
GBGB9715513.9A
Other versions
GB2323253A (en
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB9715513D0 publication Critical patent/GB9715513D0/en
Publication of GB2323253A publication Critical patent/GB2323253A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
    • B63C11/02—Divers' equipment
    • B63C11/26—Communication means, e.g. means for signalling the presence of divers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B13/00—Transmission systems characterised by the medium used for transmission, not provided for in groups H04B3/00 - H04B11/00
    • H04B13/02—Transmission systems in which the medium consists of the earth or a large mass of water thereon, e.g. earth telegraphy
GB9715513A 1997-02-11 1997-07-24 Underwater communication systems Withdrawn GB2323253A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9702767.6A GB9702767D0 (en) 1997-02-11 1997-02-11 Underwater communication systems

Publications (2)

Publication Number Publication Date
GB9715513D0 true GB9715513D0 (en) 1997-10-01
GB2323253A GB2323253A (en) 1998-09-16

Family

ID=10807425

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9702767.6A Pending GB9702767D0 (en) 1997-02-11 1997-02-11 Underwater communication systems
GB9715513A Withdrawn GB2323253A (en) 1997-02-11 1997-07-24 Underwater communication systems

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9702767.6A Pending GB9702767D0 (en) 1997-02-11 1997-02-11 Underwater communication systems

Country Status (1)

Country Link
GB (2) GB9702767D0 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3268854A (en) * 1963-02-11 1966-08-23 Sato Masayoshi Submarine communication system
GB1015295A (en) * 1963-06-25 1965-12-31 Ml Aviation Co Ltd Improvements relating to underwater communication systems
US5136555A (en) * 1991-07-05 1992-08-04 Divecomm, Inc. Integrated diver face mask and ultrasound underwater voice communication apparatus
US5209226A (en) * 1992-01-17 1993-05-11 Goodley Mark D Underwater respiratory device
US5579284A (en) * 1995-07-21 1996-11-26 May; David F. Scuba diving voice and communication system using bone conducted sound

Also Published As

Publication number Publication date
GB9702767D0 (en) 1997-04-02
GB2323253A (en) 1998-09-16

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)