GB8427744D0 - Improvements in or relating to hydrophones - Google Patents

Improvements in or relating to hydrophones

Info

Publication number
GB8427744D0
GB8427744D0 GBGB8427744.1A GB8427744A GB8427744D0 GB 8427744 D0 GB8427744 D0 GB 8427744D0 GB 8427744 A GB8427744 A GB 8427744A GB 8427744 D0 GB8427744 D0 GB 8427744D0
Authority
GB
United Kingdom
Prior art keywords
hydrophones
relating
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.)
Pending
Application number
GBGB8427744.1A
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.)
Plessey Co Ltd
Original Assignee
Plessey Co 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 Plessey Co Ltd filed Critical Plessey Co Ltd
Priority to GBGB8427744.1A priority Critical patent/GB8427744D0/en
Priority to GBGB8525646.9A priority patent/GB8525646D0/en
Priority to AU49290/85A priority patent/AU672577B1/en
Priority to SE8505130A priority patent/SE8505130D0/en
Priority to FR8516285A priority patent/FR2749473A1/en
Priority to IT8548745A priority patent/IT8548745A0/en
Publication of GB8427744D0 publication Critical patent/GB8427744D0/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
    • G01V1/20—Arrangements of receiving elements, e.g. geophone pattern
    • G01V1/201—Constructional details of seismic cables, e.g. streamers
    • G01V1/208—Constructional details of seismic cables, e.g. streamers having a continuous structure
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/44—Special adaptations for subaqueous use, e.g. for hydrophone
GBGB8427744.1A 1984-11-02 1984-11-02 Improvements in or relating to hydrophones Pending GB8427744D0 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GBGB8427744.1A GB8427744D0 (en) 1984-11-02 1984-11-02 Improvements in or relating to hydrophones
GBGB8525646.9A GB8525646D0 (en) 1984-11-02 1985-10-17 Hydrophones
AU49290/85A AU672577B1 (en) 1984-11-02 1985-10-30 Hydrophones
SE8505130A SE8505130D0 (en) 1984-11-02 1985-10-30 HYDRO PHONES
FR8516285A FR2749473A1 (en) 1984-11-02 1985-10-31 Optical fibre hydrophone array for detecting acoustic noise and pressure change
IT8548745A IT8548745A0 (en) 1984-11-02 1985-11-04 IMPROVEMENTS IN, OR RELATING TO, HYDROPHONES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB8427744.1A GB8427744D0 (en) 1984-11-02 1984-11-02 Improvements in or relating to hydrophones

Publications (1)

Publication Number Publication Date
GB8427744D0 true GB8427744D0 (en) 1996-11-13

Family

ID=10569146

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB8427744.1A Pending GB8427744D0 (en) 1984-11-02 1984-11-02 Improvements in or relating to hydrophones

Country Status (5)

Country Link
AU (1) AU672577B1 (en)
FR (1) FR2749473A1 (en)
GB (1) GB8427744D0 (en)
IT (1) IT8548745A0 (en)
SE (1) SE8505130D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7733497B2 (en) * 2003-10-27 2010-06-08 The General Hospital Corporation Method and apparatus for performing optical imaging using frequency-domain interferometry
GB2475823B (en) * 2008-09-30 2013-01-02 Shell Int Research Method for monitoring waterbottom subsidence
GB202103374D0 (en) * 2021-03-11 2021-04-28 Thales Holdings Uk Plc An acoustic sensor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1544483A (en) * 1976-07-01 1979-04-19 Standard Telephones Cables Ltd Strain measurement using optical fibres
DE3311524C2 (en) * 1983-03-30 1985-11-14 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Fiber optic sensor for force and pressure measurements as well as for monitoring and protection purposes
US4577100A (en) * 1983-12-27 1986-03-18 United Technologies Corporation Temperature compensated optical pressure sensor

Also Published As

Publication number Publication date
SE8505130D0 (en) 1985-10-30
IT8548745A0 (en) 1985-11-04
AU672577B1 (en) 1996-10-10
FR2749473A1 (en) 1997-12-05

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