WO2001018535A3 - Sensor for detecting the presence of moisture - Google Patents

Sensor for detecting the presence of moisture Download PDF

Info

Publication number
WO2001018535A3
WO2001018535A3 PCT/NL2000/000639 NL0000639W WO0118535A3 WO 2001018535 A3 WO2001018535 A3 WO 2001018535A3 NL 0000639 W NL0000639 W NL 0000639W WO 0118535 A3 WO0118535 A3 WO 0118535A3
Authority
WO
WIPO (PCT)
Prior art keywords
detecting
moisture
sensor
icps
electric circuit
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.)
Ceased
Application number
PCT/NL2000/000639
Other languages
French (fr)
Dutch (nl)
Other versions
WO2001018535A2 (en
Inventor
Haan Peter Hillebrand De
De Leur Roland Henri Marie Van
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.)
Telesensing Holding BV
Original Assignee
Telesensing Holding BV
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 Telesensing Holding BV filed Critical Telesensing Holding BV
Priority to EP00964769A priority Critical patent/EP1238267A2/en
Priority to AU75604/00A priority patent/AU7560400A/en
Publication of WO2001018535A2 publication Critical patent/WO2001018535A2/en
Publication of WO2001018535A3 publication Critical patent/WO2001018535A3/en
Anticipated expiration legal-status Critical
Ceased 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
    • G01N27/225—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 by using hygroscopic materials
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/42—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators with wetness indicator or alarm
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/42—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators with wetness indicator or alarm
    • A61F2013/424—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators with wetness indicator or alarm having an electronic device

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Electrochemistry (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Epidemiology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Vascular Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

The invention relates to a sensor for detecting the presence of moisture. The sensor comprises an electric circuit and ICPs. Electric properties of the ICPs are dependent on the amount of moisture with which they come into contact. The electric circuit is arranged for detecting a change of the electric properties of the ICPs for detecting moisture. The ICPs form part of a capacity, the electric circuit being arranged for detecting a change of the capacity for detecting moisture.
PCT/NL2000/000639 1999-09-09 2000-09-11 Sensor for detecting the presence of moisture Ceased WO2001018535A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP00964769A EP1238267A2 (en) 1999-09-09 2000-09-11 Sensor for detecting the presence of moisture
AU75604/00A AU7560400A (en) 1999-09-09 2000-09-11 Sensor for detecting the presence of moisture

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1013012A NL1013012C2 (en) 1999-09-09 1999-09-09 Sensor for detecting the presence of moisture.
NL1013012 1999-09-09

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US10070576 A-371-Of-International 2002-08-27
US10/701,840 Division US20040089058A1 (en) 1999-09-09 2003-11-04 Sensor for detecting the presence of moisture

Publications (2)

Publication Number Publication Date
WO2001018535A2 WO2001018535A2 (en) 2001-03-15
WO2001018535A3 true WO2001018535A3 (en) 2001-05-10

Family

ID=19769851

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL2000/000639 Ceased WO2001018535A2 (en) 1999-09-09 2000-09-11 Sensor for detecting the presence of moisture

Country Status (4)

Country Link
EP (1) EP1238267A2 (en)
AU (1) AU7560400A (en)
NL (1) NL1013012C2 (en)
WO (1) WO2001018535A2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6894512B2 (en) * 2003-03-24 2005-05-17 Israel Aircraft Industries Ltd. Method for detecting hidden corrosion and a sensor for use in the same
GB2408204B (en) * 2003-11-21 2005-11-23 Ucl Biomedica Plc Mattress protection
US7456744B2 (en) 2006-05-16 2008-11-25 3M Innovative Properties Company Systems and methods for remote sensing using inductively coupled transducers
US7948380B2 (en) 2006-09-06 2011-05-24 3M Innovative Properties Company Spatially distributed remote sensor
US8866624B2 (en) * 2008-12-31 2014-10-21 Kimberly-Clark Worldwide, Inc. Conductor-less detection system for an absorbent article
DE202009003677U1 (en) * 2009-03-17 2010-04-29 Porextherm-Dämmstoffe Gmbh Indicator for detecting the ingress of air and / or moisture into a vacuum, pressure or protective gas packaging
KR102262777B1 (en) * 2013-03-05 2021-06-10 제이피 테크놀로지스, 인크. Wireless sensor systems and methods
CN116773619B (en) * 2023-06-27 2026-03-10 哈尔滨工程大学 High-precision humidity sensor based on high-order non-early circuit

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2845269A1 (en) * 1978-10-18 1980-04-30 Messerschmitt Boelkow Blohm Reinforced laminated plastic check for moisture penetration - by embedded capacitive pick=ups
DE3437950A1 (en) * 1984-10-17 1985-04-18 Arno H. Dipl.-Ing. 7141 Beilstein Taruttis Device for determining the moisture content in babies' nappies while they are being worn
DE3500284A1 (en) * 1985-01-07 1986-07-10 Karl Ing.(grad.) 8000 München Speidel Method for moisture determination by electrochemical means
GB2203553A (en) * 1987-04-06 1988-10-19 Cogent Ltd Gas sensor
DE19509518A1 (en) * 1995-03-20 1996-09-26 Inst Chemo Biosensorik Sensitive materials and devices for the detection of organic components and solvent vapors in the air
WO1997019349A1 (en) * 1995-11-17 1997-05-29 Aromascan Plc Gas analysis
WO1999031494A1 (en) * 1997-12-12 1999-06-24 Osmetech Plc Conducting organic polymers

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2845269A1 (en) * 1978-10-18 1980-04-30 Messerschmitt Boelkow Blohm Reinforced laminated plastic check for moisture penetration - by embedded capacitive pick=ups
DE3437950A1 (en) * 1984-10-17 1985-04-18 Arno H. Dipl.-Ing. 7141 Beilstein Taruttis Device for determining the moisture content in babies' nappies while they are being worn
DE3500284A1 (en) * 1985-01-07 1986-07-10 Karl Ing.(grad.) 8000 München Speidel Method for moisture determination by electrochemical means
GB2203553A (en) * 1987-04-06 1988-10-19 Cogent Ltd Gas sensor
DE19509518A1 (en) * 1995-03-20 1996-09-26 Inst Chemo Biosensorik Sensitive materials and devices for the detection of organic components and solvent vapors in the air
WO1997019349A1 (en) * 1995-11-17 1997-05-29 Aromascan Plc Gas analysis
WO1999031494A1 (en) * 1997-12-12 1999-06-24 Osmetech Plc Conducting organic polymers

Also Published As

Publication number Publication date
AU7560400A (en) 2001-04-10
WO2001018535A2 (en) 2001-03-15
NL1013012C2 (en) 2001-03-12
EP1238267A2 (en) 2002-09-11

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