GB9916876D0 - Apparatus for sensing one or more parameters - Google Patents

Apparatus for sensing one or more parameters

Info

Publication number
GB9916876D0
GB9916876D0 GBGB9916876.7A GB9916876A GB9916876D0 GB 9916876 D0 GB9916876 D0 GB 9916876D0 GB 9916876 A GB9916876 A GB 9916876A GB 9916876 D0 GB9916876 D0 GB 9916876D0
Authority
GB
United Kingdom
Prior art keywords
sensing
parameters
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.)
Granted
Application number
GBGB9916876.7A
Other versions
GB2340227B (en
GB2340227A (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.)
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 true GB9916876D0 (en) 1999-09-22
GB2340227A GB2340227A (en) 2000-02-16
GB2340227B 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)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN112197938A (en) * 2020-09-29 2021-01-08 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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7433551B2 (en) 2003-09-04 2008-10-07 Baker Hughes Incorporated Fiber optic sensors 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

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9324333D0 (en) * 1993-11-26 1994-01-12 Sensor Dynamics Ltd Measurement of one or more physical parameters

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN112197938A (en) * 2020-09-29 2021-01-08 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
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

Also Published As

Publication number Publication date
GB2340227B (en) 2000-08-30
GB2340227A (en) 2000-02-16

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Legal Events

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

Effective date: 20080307