ES2040808T3 - Dispositivo para determinar la humedad superficial. - Google Patents

Dispositivo para determinar la humedad superficial.

Info

Publication number
ES2040808T3
ES2040808T3 ES198888117077T ES88117077T ES2040808T3 ES 2040808 T3 ES2040808 T3 ES 2040808T3 ES 198888117077 T ES198888117077 T ES 198888117077T ES 88117077 T ES88117077 T ES 88117077T ES 2040808 T3 ES2040808 T3 ES 2040808T3
Authority
ES
Spain
Prior art keywords
cathete
surface moisture
light
determine surface
hypothense
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 - Lifetime
Application number
ES198888117077T
Other languages
English (en)
Inventor
Helmut Lask
Arno Dr. Holst
Kurt Dryczynski
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.)
Hoechst AG
Original Assignee
Hoechst AG
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 Hoechst AG filed Critical Hoechst AG
Application granted granted Critical
Publication of ES2040808T3 publication Critical patent/ES2040808T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/43—Refractivity; Phase-affecting properties, e.g. optical path length by measuring critical angle
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N2021/8405—Application to two-phase or mixed materials, e.g. gas dissolved in liquids
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S250/00—Radiant energy
    • Y10S250/90—Optical liquid level sensors
    • Y10S250/901—Optical liquid level sensors with gap between light guide elements, includes open light path preset
    • Y10S250/902—Optical liquid level sensors with gap between light guide elements, includes open light path preset with closed light path preset
    • Y10S250/903—Optical liquid level sensors with gap between light guide elements, includes open light path preset with closed light path preset with prism contacting liquid

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Absorbent Articles And Supports Therefor (AREA)

Abstract

DISPOSITIVO PARA LA DETERMINACION DE LA HJUMEDAD SUPERFICIAL, PARTICULARMENTE DE MATERIALES CON EL PODER ABSORBENTE, MARCADO A TRAVES DE UN PRISMA DE REFLEXION A DOBLE, UNA FUENTE DE RADIACION, QUE ESTA CONECTADA ASI, QUE SUS RAYOS DIRIGIDOS PARALELOS CHOCAN VERTICALMENTE A UNA DE LAS DOS SUPERFICIES DE CATETOS DEL PRIMA, UNA TRAMPA DE LUZ, QUE INTERCEPTA LOS RAYOS DE LUZ QUE SALEN DE LA OTRA SUPERFICIE DEL CATETO, Y UN TRANSFORMADOR FOTOELECTRICO QUE SE ENCUENTRA EN EL NANGULO FORMADO DE LAS DOS SUPERFICIES DE CATETOS Y QUE ESTA DISPUESTO ASI QUE SU SUPERFICIE DE MEDIDA ESTA OPUESTO A LA SUPERFICIE DE HIPOTENSA.
ES198888117077T 1987-10-17 1988-10-14 Dispositivo para determinar la humedad superficial. Expired - Lifetime ES2040808T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873735269 DE3735269A1 (de) 1987-10-17 1987-10-17 Vorrichtung zur bestimmung der oberflaechenfeuchtigkeit

Publications (1)

Publication Number Publication Date
ES2040808T3 true ES2040808T3 (es) 1993-11-01

Family

ID=6338590

Family Applications (1)

Application Number Title Priority Date Filing Date
ES198888117077T Expired - Lifetime ES2040808T3 (es) 1987-10-17 1988-10-14 Dispositivo para determinar la humedad superficial.

Country Status (5)

Country Link
US (1) US4924084A (es)
EP (1) EP0312919B1 (es)
JP (1) JP2812440B2 (es)
DE (2) DE3735269A1 (es)
ES (1) ES2040808T3 (es)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4008486A1 (de) * 1990-03-16 1991-09-19 Bellino Metallwerke Feuchtigkeitssensor zum ermitteln eines geringfuegigen wassergehaltes, vorzugsweise im ppm-bereich, in einem kaeltemittel
DE4028883A1 (de) * 1990-09-12 1992-03-19 Rheinhuette Gmbh & Co Verfahren und einrichtung zur anzeige eines ungewoehnlichen betriebszustandes einer maschine oder betriebseinrichtung, insbesondere leckanzeige bzw. leckmelder
DE4030836A1 (de) * 1990-09-28 1992-04-02 Kim Yoon Ok Vorrichtung zur qualitativen und/oder quantitativen bestimmung der zusammensetzung einer zu analysierenden probe
US5838504A (en) * 1993-04-27 1998-11-17 Asahi Kogaku Kogyo Kabushiki Kaisha Prism and real image type view finder
US5483346A (en) * 1994-04-11 1996-01-09 Butzer; Dane C. Polarization based optical sensor utilizing total internal reflection
US5702377A (en) * 1994-09-01 1997-12-30 Kimberly-Clark Worldwide, Inc. Wet liner for child toilet training aid
US5681298A (en) * 1994-12-22 1997-10-28 Kimberly-Clark Worldwide, Inc. Toilet training aid creating a temperature change
US5649914A (en) * 1994-12-22 1997-07-22 Kimberly-Clark Corporation Toilet training aid
DE19538145C2 (de) * 1995-10-13 1998-11-05 Engler Winfried Dipl Ing Fh Verfahren zur Bestimmung der Materialfeuchte eines rieselfähigen Materials (z.B. Erdboden, Torf, Kompost, Sand usw.) im Hochfeuchtebereich
US5658268A (en) * 1995-10-31 1997-08-19 Kimberly-Clark Worldwide, Inc. Enhanced wet signal response in absorbent articles
DE19614265A1 (de) * 1996-04-11 1997-10-16 Hoechst Ag Vorrichtung zur Bestimmung der Oberflächenfeuchtigkeit
DE19701904C2 (de) * 1997-01-21 2002-02-14 Michael Tummuscheit Vorrichtung zur quantitativen Bestimmung der Oberflächenfeuchte mit Hilfe eines kombinierten Verfahrens
JPH11264795A (ja) * 1998-03-19 1999-09-28 Sanyo Electric Co Ltd 被検体の水分検出装置
EP1328187A1 (en) * 2000-10-27 2003-07-23 The Procter & Gamble Company Device and method for estimating body fluid discharge
US6610391B2 (en) 2001-05-15 2003-08-26 Paragon Trade Brands, Inc. Absorbent product with reduced rewet properties
US20030097113A1 (en) * 2001-10-05 2003-05-22 Molee Kenneth John Absorbent product with reduced rewet properties under load
US7296381B1 (en) 2003-12-01 2007-11-20 Kolbe & Kolbe Millwork Co., Inc. Double-hung window with uniform wood interior
JP4354860B2 (ja) * 2004-03-30 2009-10-28 株式会社山武 水分検出装置
US7718844B2 (en) * 2004-06-30 2010-05-18 Kimberly-Clark Worldwide, Inc. Absorbent article having an interior graphic
US20060069360A1 (en) * 2004-09-29 2006-03-30 Kimberly-Clark Worldwide, Inc. Absorbent article with insult indicators
DE202005015397U1 (de) * 2005-09-29 2007-02-08 Testo Ag Vorrichtung zur Bestimmung der Oberflächenfeuchte eines Messobjekts
CN100401133C (zh) * 2006-09-12 2008-07-09 中国科学院上海光学精密机械研究所 平行光栅对的调节方法
JP4932568B2 (ja) * 2007-03-30 2012-05-16 サンダイヤポリマー株式会社 水分測定装置
US8292863B2 (en) 2009-10-21 2012-10-23 Donoho Christopher D Disposable diaper with pouches
DE102009054097A1 (de) 2009-11-12 2011-05-19 Paul Hartmann Aktiengesellschaft Verfahren zum Bestimmen der Feuchtigkeit bei einem absorbierenden Hygienartikel und Vorrichtung zur Durchführung des Verfahrens

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7605224U1 (es) * Hoechst Ag, 6000 Frankfurt
US3120125A (en) * 1960-08-03 1964-02-04 American Pyrotector Inc Liquid level determining devices and method
US3487069A (en) * 1965-05-11 1969-12-30 Mario Maselli Refractometer with compensating photocells
US3540025A (en) * 1967-01-20 1970-11-10 Sierracin Corp Ice detector
GB1151301A (en) * 1967-05-10 1969-05-07 Mario Maselli Refractometer
CA1008146A (en) * 1973-02-26 1977-04-05 Andre Rekai Optical self-checking level detector
DE2420594A1 (de) * 1974-04-27 1975-11-06 Bernd Ing Grad Korndoerfer Vollautomatische scheibenwischersteuerung fuer kraftfahrzeuge
JPS51132887A (en) * 1975-05-13 1976-11-18 Keiki Wada Device for measuring moisture
JPS601573B2 (ja) * 1979-07-16 1985-01-16 オムロン株式会社 路面状態検知方法
US4490618A (en) * 1982-04-12 1984-12-25 Canadian Patents & Development Limited Optical system for analyzing the surface of a fibrous web
US4676638A (en) * 1983-03-31 1987-06-30 Kabushiki Kaisha Tokai Rika Denki Seisakusho Light-transmissible foreign object sensor
US4699516A (en) * 1984-10-29 1987-10-13 The Dow Chemical Company Apparatus and methods for determining cell size
EP0228217A1 (en) * 1985-12-18 1987-07-08 LUCAS INDUSTRIES public limited company Liquid level detection

Also Published As

Publication number Publication date
EP0312919A3 (en) 1989-12-13
EP0312919A2 (de) 1989-04-26
JPH01134231A (ja) 1989-05-26
DE3879362D1 (de) 1993-04-22
DE3735269A1 (de) 1989-04-27
US4924084A (en) 1990-05-08
EP0312919B1 (de) 1993-03-17
JP2812440B2 (ja) 1998-10-22

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