GB1015295A - Improvements relating to underwater communication systems - Google Patents

Improvements relating to underwater communication systems

Info

Publication number
GB1015295A
GB1015295A GB2527263A GB2527263A GB1015295A GB 1015295 A GB1015295 A GB 1015295A GB 2527263 A GB2527263 A GB 2527263A GB 2527263 A GB2527263 A GB 2527263A GB 1015295 A GB1015295 A GB 1015295A
Authority
GB
United Kingdom
Prior art keywords
amplifier
input
underwater communication
electrodes
communication systems
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
Application number
GB2527263A
Inventor
Marcel Jules Odilon Lobelle
Raymond Ernest Sellwood
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.)
ML Aviation Ltd
Original Assignee
ML Aviation 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 ML Aviation Ltd filed Critical ML Aviation Ltd
Priority to GB2527263A priority Critical patent/GB1015295A/en
Publication of GB1015295A publication Critical patent/GB1015295A/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Abstract

1,015,295. Leakage signalling. M.L. AVIATION CO. Ltd. June 24, 1964 [June 25, 1963], No. 25272/63. Heading H4U. Underwater communication equipment comprises a pair of spaced electrodes which are secured to a diver's suit, an amplifier with its battery carried in a cannister on the front of the suit, and a microphone and earphones mounted in the head piece, a selector switch connecting the microphone to the input of the amplifier and the electrodes to the output in one position, and the electrodes to the input of the amplifier and the earphones to the output in another position. A filter may be provided at the input of the amplifier to exclude undesired signals.
GB2527263A 1963-06-25 1963-06-25 Improvements relating to underwater communication systems Expired GB1015295A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2527263A GB1015295A (en) 1963-06-25 1963-06-25 Improvements relating to underwater communication systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2527263A GB1015295A (en) 1963-06-25 1963-06-25 Improvements relating to underwater communication systems

Publications (1)

Publication Number Publication Date
GB1015295A true GB1015295A (en) 1965-12-31

Family

ID=10225029

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2527263A Expired GB1015295A (en) 1963-06-25 1963-06-25 Improvements relating to underwater communication systems

Country Status (1)

Country Link
GB (1) GB1015295A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2185364A (en) * 1985-12-13 1987-07-15 Terence Henry Leather Communication system
GB2323253A (en) * 1997-02-11 1998-09-16 Sean Justin Campbell Underwater communication systems

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2185364A (en) * 1985-12-13 1987-07-15 Terence Henry Leather Communication system
GB2185364B (en) * 1985-12-13 1990-05-16 Terence Henry Leather Communication system
GB2323253A (en) * 1997-02-11 1998-09-16 Sean Justin Campbell Underwater communication systems

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