GB2340227B - Apparatus for acoustic sensing - Google Patents

Apparatus for acoustic sensing

Info

Publication number
GB2340227B
GB2340227B GB9916876A GB9916876A GB2340227B GB 2340227 B GB2340227 B GB 2340227B GB 9916876 A GB9916876 A GB 9916876A GB 9916876 A GB9916876 A GB 9916876A GB 2340227 B GB2340227 B GB 2340227B
Authority
GB
United Kingdom
Prior art keywords
acoustic sensing
acoustic
sensing
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
GB9916876A
Other versions
GB9916876D0 (en
GB2340227A (en
Inventor
Erhard Lothar Edgar Kluth
Malcolm Paul Varnham
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.)
Sensor Dynamics Ltd
Original Assignee
Sensor Dynamics 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
Priority claimed from GBGB9605144.6A external-priority patent/GB9605144D0/en
Application filed by Sensor Dynamics Ltd filed Critical Sensor Dynamics Ltd
Publication of GB9916876D0 publication Critical patent/GB9916876D0/en
Publication of GB2340227A publication Critical patent/GB2340227A/en
Application granted granted Critical
Publication of GB2340227B publication Critical patent/GB2340227B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
    • G01D5/35383—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using multiple sensor devices using multiplexing techniques

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
GB9916876A 1996-03-11 1997-03-07 Apparatus for acoustic sensing Expired - Fee Related GB2340227B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9605144.6A GB9605144D0 (en) 1996-03-11 1996-03-11 Apparatus for sensing one or more parameters
GB9704784A GB2311131B (en) 1996-03-11 1997-03-07 Apparatus for sensing one or more parameters

Publications (3)

Publication Number Publication Date
GB9916876D0 GB9916876D0 (en) 1999-09-22
GB2340227A GB2340227A (en) 2000-02-16
GB2340227B true GB2340227B (en) 2000-08-30

Family

ID=26308908

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9916876A Expired - Fee Related GB2340227B (en) 1996-03-11 1997-03-07 Apparatus for acoustic sensing

Country Status (1)

Country Link
GB (1) GB2340227B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2537974C (en) 2003-09-04 2009-07-07 Luna Energy, Llc Fiber optic sensor system
AU2005225034B2 (en) * 2005-10-18 2011-08-11 The Australian National University Interferometric sensor
EP2131159B1 (en) 2008-06-04 2016-04-13 Sercel Fiber optic Interferometric sensor array with increased multiplexing density
CN107449471A (en) * 2017-09-29 2017-12-08 中国计量大学 A kind of magnetic field and temperature simultaneously measuring device based on highly doped germanium fibre-optical probe
CN112197938B (en) * 2020-09-29 2023-02-28 上海传输线研究所（中国电子科技集团公司第二十三研究所） Optical fiber hydrophone array optical path difference testing device and method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2284256A (en) * 1993-11-26 1995-05-31 Sensor Dynamics Ltd Wavelength addressed network of fibre optic interferometric sensors

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2284256A (en) * 1993-11-26 1995-05-31 Sensor Dynamics Ltd Wavelength addressed network of fibre optic interferometric sensors

Also Published As

Publication number Publication date
GB9916876D0 (en) 1999-09-22
GB2340227A (en) 2000-02-16

Similar Documents

Publication Publication Date Title
GB2309779B (en) Apparatus for measuring displacement
GB9603251D0 (en) Apparatus for sensing one or more parameters
GB2311131B (en) Apparatus for sensing one or more parameters
GB2329960B (en) Distributed sensing apparatus
EP0786672A4 (en) Object detection apparatus
EP0865364A4 (en) Low-paper sensing apparatus
GB2319312B (en) Position detecting apparatus
GB2289331B (en) Distributed sensing apparatus
GB9419031D0 (en) Apparatus for sensor location
GB2324604B (en) Measuring apparatus
GB9403147D0 (en) Sensor apparatus
GB9513852D0 (en) Object sensing apparatus
GB2340227B (en) Apparatus for acoustic sensing
GB9608368D0 (en) Object detecting apparatus
EP0756793A4 (en) Complexity determining apparatus
HU9701577D0 (en) Measuring apparatus
EP0756789A4 (en) Complexity determining apparatus
AU124022S (en) Sensing apparatus
AU126158S (en) Sensing apparatus
GB9708451D0 (en) An acoustic apparatus
GB9721149D0 (en) Apparatus for detecting sound
AU126159S (en) Sensing apparatus
GB2302155B (en) Apparatus for in-pipe use
GB2320382B (en) Infrared-transmitted apparatus
GB9605479D0 (en) Measuring apparatus

Legal Events

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

Effective date: 20080307