DE69320053T2 - Vorrichtung und verfahren zur identifizierung und quantifizierung von geschichteten substanzen - Google Patents

Vorrichtung und verfahren zur identifizierung und quantifizierung von geschichteten substanzen

Info

Publication number
DE69320053T2
DE69320053T2 DE69320053T DE69320053T DE69320053T2 DE 69320053 T2 DE69320053 T2 DE 69320053T2 DE 69320053 T DE69320053 T DE 69320053T DE 69320053 T DE69320053 T DE 69320053T DE 69320053 T2 DE69320053 T2 DE 69320053T2
Authority
DE
Germany
Prior art keywords
quantifying
identifying
layered substances
layered
substances
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
DE69320053T
Other languages
English (en)
Other versions
DE69320053D1 (de
Inventor
Stuart Inkpen
John Hall
Chris Brobeck
Chris Nolan
Chris Marshall
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.)
Instrumar Ltd
Original Assignee
Instrumar 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 CA002080067A external-priority patent/CA2080067C/en
Application filed by Instrumar Ltd filed Critical Instrumar Ltd
Application granted granted Critical
Publication of DE69320053D1 publication Critical patent/DE69320053D1/de
Publication of DE69320053T2 publication Critical patent/DE69320053T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D15/00—De-icing or preventing icing on exterior surfaces of aircraft
    • B64D15/20—Means for detecting icing or initiating de-icing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
    • G01B7/08—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using capacitive means
    • G01B7/085—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using capacitive means for measuring thickness of coating
    • 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
    • G01N27/221—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance by investigating the dielectric properties
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
    • G01R27/2617—Measuring dielectric properties, e.g. constants
    • G01R27/2635—Sample holders, electrodes or excitation arrangements, e.g. sensors or measuring cells
    • G01R27/2647—Sample holders, electrodes or excitation arrangements, e.g. sensors or measuring cells of coaxial or concentric type, e.g. with the sample in a coaxial line
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01W—METEOROLOGY
    • G01W1/00—Meteorology
DE69320053T 1992-10-07 1993-10-07 Vorrichtung und verfahren zur identifizierung und quantifizierung von geschichteten substanzen Expired - Fee Related DE69320053T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CA002080067A CA2080067C (en) 1992-10-07 1992-10-07 Device and method for identifying and quantifying layered substances
US07/977,833 US5394340A (en) 1992-10-07 1992-11-17 Device and method for identifying and quantifying layered substances
PCT/CA1993/000416 WO1994008233A1 (en) 1992-10-07 1993-10-07 Device and method for identifying and quantifying layered substances

Publications (2)

Publication Number Publication Date
DE69320053D1 DE69320053D1 (de) 1998-09-03
DE69320053T2 true DE69320053T2 (de) 1999-04-29

Family

ID=25675575

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69320053T Expired - Fee Related DE69320053T2 (de) 1992-10-07 1993-10-07 Vorrichtung und verfahren zur identifizierung und quantifizierung von geschichteten substanzen

Country Status (3)

Country Link
EP (1) EP0665952B1 (de)
DE (1) DE69320053T2 (de)
WO (1) WO1994008233A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19949612C2 (de) * 1999-10-14 2003-04-03 Infineon Technologies Ag Kapazitiv messender Sensor und Anordnung

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5398547A (en) * 1989-01-10 1995-03-21 Innovative Dynamics, Inc. Apparatus for measuring ice distribution profiles
US5569850A (en) * 1995-05-08 1996-10-29 The B.F. Goodrich Company Ice detector
CA2193598A1 (en) * 1995-12-22 1997-06-23 Allen D. Reich Impedance type ice detector
US6384611B1 (en) * 1996-11-18 2002-05-07 The B. F. Goodrich Company Ice thickness detector
NL1015691C2 (nl) * 2000-07-12 2002-01-15 Tno Systeem voor het detecteren van afzetting op een oppervlak.
FR2859021B1 (fr) * 2003-08-22 2005-12-23 Meteo Omnium Procede de mesure de l'etat de surface d'une chaussee et dispositif pour sa mise en oeuvre
CA2472865C (en) * 2004-06-29 2015-11-17 Instrumar Limited Fibre monitoring apparatus and method
EP1980863A4 (de) * 2006-01-20 2010-10-20 Avk Lab Ltd Einrichtung zum kontaktlosen detektieren brennbarer und explosiver flüssigkeiten
GB201404462D0 (en) 2014-03-13 2014-04-30 Rolls Royce Plc Ice thickness measurement sensor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3873927A (en) * 1973-11-05 1975-03-25 Surface Systems System for detecting wet and icy surface conditions
US4766369A (en) * 1986-03-31 1988-08-23 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Ice detector
GB2196129A (en) * 1986-10-10 1988-04-20 Mineral Control Instr Pty Capacitive moisture sensor
US4814690A (en) * 1987-10-02 1989-03-21 Massachusetts Institute Of Technology Apparatus and methods for measuring permittivity in materials
US4996493A (en) * 1989-08-21 1991-02-26 Monat Seymour M Instantaneous ice detection system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19949612C2 (de) * 1999-10-14 2003-04-03 Infineon Technologies Ag Kapazitiv messender Sensor und Anordnung

Also Published As

Publication number Publication date
EP0665952B1 (de) 1998-07-29
EP0665952A1 (de) 1995-08-09
WO1994008233A1 (en) 1994-04-14
DE69320053D1 (de) 1998-09-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee