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GB201118839D0 - Passive fluid detector - Google Patents

Passive fluid detector

Info

Publication number
GB201118839D0
GB201118839D0 GBGB1118839.8A GB201118839A GB201118839D0 GB 201118839 D0 GB201118839 D0 GB 201118839D0 GB 201118839 A GB201118839 A GB 201118839A GB 201118839 D0 GB201118839 D0 GB 201118839D0
Authority
GB
United Kingdom
Prior art keywords
fluid detector
passive fluid
passive
detector
fluid
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Withdrawn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
GBGB1118839.8A
Other versions
GB2496136A (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.)
Oxford University Innovation Ltd
Original Assignee
Oxford University Innovation 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 Oxford University Innovation Ltd filed Critical Oxford University Innovation Ltd
Priority to GB1118839.8A priority Critical patent/GB2496136A/en
Publication of GB201118839D0 publication Critical patent/GB201118839D0/en
Priority to PCT/GB2012/052721 priority patent/WO2013064829A2/en
Publication of GB2496136A publication Critical patent/GB2496136A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
    • G01N27/223—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
    • G01M3/18—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/24—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations
    • G01M3/243—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations for pipes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
    • G01N27/228—Circuits therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electrochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
GB1118839.8A 2011-11-01 2011-11-01 Passive capacitive moisture detector Withdrawn GB2496136A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1118839.8A GB2496136A (en) 2011-11-01 2011-11-01 Passive capacitive moisture detector
PCT/GB2012/052721 WO2013064829A2 (en) 2011-11-01 2012-11-01 Passive fluid detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1118839.8A GB2496136A (en) 2011-11-01 2011-11-01 Passive capacitive moisture detector

Publications (2)

Publication Number Publication Date
GB201118839D0 true GB201118839D0 (en) 2011-12-14
GB2496136A GB2496136A (en) 2013-05-08

Family

ID=45375632

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1118839.8A Withdrawn GB2496136A (en) 2011-11-01 2011-11-01 Passive capacitive moisture detector

Country Status (2)

Country Link
GB (1) GB2496136A (en)
WO (1) WO2013064829A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019205085A1 (en) 2018-04-27 2019-10-31 Texas Instruments Incorporated Target material sensing using resonant circuit with sensing capacitor and electrical isolation

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4491784A (en) * 1982-08-31 1985-01-01 The Babcock & Wilcox Company Piezoelectric moisture measuring device
US5106175A (en) * 1989-12-28 1992-04-21 At&T Bell Laboratories Locatable object suitable for underground use and methods of locating same
DE19934881A1 (en) * 1999-07-24 2001-01-25 Deere & Co Device for measuring the moisture of crops
US6975245B1 (en) * 2000-09-18 2005-12-13 Battelle Energy Alliance, Llc Real-time data acquisition and telemetry based irrigation control system
JP3717068B2 (en) * 2002-08-23 2005-11-16 松下電器産業株式会社 Liquid detection sensor and liquid detection device
US8089287B2 (en) * 2007-01-10 2012-01-03 Alain Izadnegahdar Soil humidity evaluation with contact free coupling
GB0802729D0 (en) 2008-02-14 2008-03-26 Isis Innovation Resonant reflector assembly and method
US8542025B2 (en) * 2008-10-14 2013-09-24 Donald J. Geisel Embeddable moisture sensor, measurement device and method of use thereof
EP2275805A1 (en) * 2009-07-16 2011-01-19 Acreo AB Moister sensor
GB0921872D0 (en) * 2009-12-15 2010-01-27 Isis Innovation Asset detection apparatus and method

Also Published As

Publication number Publication date
GB2496136A (en) 2013-05-08
WO2013064829A3 (en) 2013-10-03
WO2013064829A2 (en) 2013-05-10

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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)