DE3003941A1 - Vorrichtung zur quantitativen bestimmung der sebumabsonderung der haut - Google Patents

Vorrichtung zur quantitativen bestimmung der sebumabsonderung der haut

Info

Publication number
DE3003941A1
DE3003941A1 DE19803003941 DE3003941A DE3003941A1 DE 3003941 A1 DE3003941 A1 DE 3003941A1 DE 19803003941 DE19803003941 DE 19803003941 DE 3003941 A DE3003941 A DE 3003941A DE 3003941 A1 DE3003941 A1 DE 3003941A1
Authority
DE
Germany
Prior art keywords
voltage
luminous flux
phototransistor
emitting device
measurement
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
DE19803003941
Other languages
German (de)
English (en)
Inventor
Gilbert Gras
Jean Luc Leveque
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.)
LOreal SA
Original Assignee
LOreal SA
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 LOreal SA filed Critical LOreal SA
Publication of DE3003941A1 publication Critical patent/DE3003941A1/de
Ceased 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
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
    • G01N21/274—Calibration, base line adjustment, drift correction

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Spectroscopy & Molecular Physics (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)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
DE19803003941 1979-02-05 1980-02-04 Vorrichtung zur quantitativen bestimmung der sebumabsonderung der haut Ceased DE3003941A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7902935A FR2448145A2 (fr) 1979-02-05 1979-02-05 Appareil destine a reperer la quantite de sebum secretee par une peau

Publications (1)

Publication Number Publication Date
DE3003941A1 true DE3003941A1 (de) 1980-08-07

Family

ID=9221621

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19803003941 Ceased DE3003941A1 (de) 1979-02-05 1980-02-04 Vorrichtung zur quantitativen bestimmung der sebumabsonderung der haut

Country Status (12)

Country Link
US (2) US4483619A ( )
JP (1) JPS55104741A ( )
BE (1) BE881516A ( )
BR (1) BR8000673A ( )
CA (1) CA1129553A ( )
CH (1) CH634921A5 ( )
DE (1) DE3003941A1 ( )
ES (1) ES488246A1 ( )
FR (1) FR2448145A2 ( )
GB (1) GB2043886B ( )
IT (1) IT1128014B ( )
NL (1) NL184242C ( )

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3844651A1 (de) * 1988-07-26 1990-08-30 Kessler Manfred Vorrichtung zum ermitteln von groessenveraenderungen an gewebepartikeln
US5284137A (en) * 1988-07-26 1994-02-08 Manfred Kessler Process and device for the determination of local dye concentrations and of scattering parameters in animal and human tissues
US5645061A (en) * 1988-07-26 1997-07-08 Kessler; Manfred Process and device for the determination of local dye concentration and of scattering parameters in animal and human tissues

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5927449U (ja) * 1982-08-11 1984-02-20 花王株式会社 皮脂量測定装置
FR2581191B1 (fr) * 1985-04-29 1988-04-22 Oreal Procede pour mesurer une quantite de produit gras se trouvant a la surface d'un element a etudier, appareillage pour sa mise en oeuvre et lame de prelevement dudit produit gras.
JPS63200153U ( ) * 1987-06-08 1988-12-23
US5094248A (en) * 1987-06-10 1992-03-10 The Gillette Company Device and method for simple visual measurement of the amount of sebum present on human skin
DE4130677C2 (de) * 1991-09-14 1995-11-23 Roland Man Druckmasch Vorrichtung zur lichtelektrischen Überwachung des Laufes von Bahnen in Rotationsdruckmaschinen
JP2801106B2 (ja) * 1992-03-06 1998-09-21 花王株式会社 簡易細胞数測定方法及び測定装置
US5383373A (en) * 1992-12-08 1995-01-24 Littlepoint Corporation Method for measuring topical dosage dispensed
DE29503080U1 (de) * 1995-02-24 1995-04-13 Courage + Khazaka Electronic GmbH, 50829 Köln Meßsystem zur Bestimmung der Fettausscheidung der Haut
US6475144B1 (en) * 2001-06-19 2002-11-05 Unilever Home & Personal Care Usa, Division Of Conopco, Inc. Non-contact method for measuring amount of skin sebum or oil in real time using fiber optic probe
US6524242B2 (en) * 2001-06-19 2003-02-25 Unilever Home & Personal Care Usa, Division Of Conopco, Inc. Non-contact method for measuring amount of sebum or oil on substrate in real time using fluorescence dye
US20060243524A1 (en) * 2005-04-29 2006-11-02 Raymond Jarrell Collapsible hanging scaffold bracket
KR100862287B1 (ko) * 2006-08-18 2008-10-13 삼성전자주식회사 피부 수화도 측정 장치 및 그 방법
KR100823304B1 (ko) * 2006-08-22 2008-04-18 삼성전자주식회사 피부 수화도 측정 장치 및 그 방법
US8388534B2 (en) * 2006-10-11 2013-03-05 Samsung Electronics Co., Ltd. Apparatus for providing skin care information by measuring skin moisture content and method and medium for the same
US9581723B2 (en) 2008-04-10 2017-02-28 Schlumberger Technology Corporation Method for characterizing a geological formation traversed by a borehole
US8725477B2 (en) * 2008-04-10 2014-05-13 Schlumberger Technology Corporation Method to generate numerical pseudocores using borehole images, digital rock samples, and multi-point statistics
US20110004447A1 (en) * 2009-07-01 2011-01-06 Schlumberger Technology Corporation Method to build 3D digital models of porous media using transmitted laser scanning confocal mircoscopy and multi-point statistics
US8311788B2 (en) 2009-07-01 2012-11-13 Schlumberger Technology Corporation Method to quantify discrete pore shapes, volumes, and surface areas using confocal profilometry
DE102017202856A1 (de) 2017-02-22 2018-08-23 Henkel Ag & Co. Kgaa Verfahren und Vorrichtung zum Ermitteln eines Hautfettgehalts
CN109406461B (zh) * 2018-09-30 2021-05-14 山东泰利信医疗科技有限公司 血小板聚集率测量结果判定方法及血小板聚集仪的标定方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3013467A (en) * 1957-11-07 1961-12-19 Minsky Marvin Microscopy apparatus
DE1959612A1 (de) * 1969-11-27 1971-06-03 Eppendorf Geraetebau Netheler Vorrichtung zur fotometrischen Messung
JPS5540809B1 ( ) * 1970-03-31 1980-10-20
NL7106648A ( ) * 1970-05-18 1971-11-22 Kyoto Daiichi Kagaku Kk
US3711210A (en) * 1971-07-06 1973-01-16 R Krukowski Smoke meter
US3927317A (en) * 1972-04-07 1975-12-16 Coulter Electronics Blank value storing photometer circuitry
DE2220204C2 (de) * 1972-04-25 1974-05-16 Labtronic Ag Gesellschaft Fuer Klinische Labortechnik, Zuerich (Schweiz) Photometer zur digitalen Anzeige der Konzentration einer Meßprobe in einer Küvette
US3817632A (en) * 1972-09-21 1974-06-18 Union Carbide Corp Digital subtraction circuit for a centrifugal chemical analyzer of the rotating spectrophotometer type
GB1459777A (en) * 1972-12-20 1976-12-31 Varian Techtron Pty Ltd Spectrophotometer
JPS4991490A ( ) * 1972-12-29 1974-08-31
AT330481B (de) * 1974-10-14 1976-07-12 Reichert Optische Werke Ag Wechsellicht-photometer, insbesondere einstrahlphotometer
US4035087A (en) * 1974-12-26 1977-07-12 Nippon Kogaku K.K. Chemical reaction velocity measuring apparatus
FR2297415A1 (fr) * 1975-01-08 1976-08-06 Paquelet Jean Appareil destine au dosage chimique par colorimetrie, opacimetrie ou nephelemetrie
DE2520197C2 (de) * 1975-05-06 1983-11-17 Siemens AG, 1000 Berlin und 8000 München Anordnung zur Driftkompensierung eines Gasanalysators
FR2368708A1 (fr) * 1976-10-20 1978-05-19 Oreal Appareil destine a mesurer une caracteristique optique d'un echantillon

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3844651A1 (de) * 1988-07-26 1990-08-30 Kessler Manfred Vorrichtung zum ermitteln von groessenveraenderungen an gewebepartikeln
US5284137A (en) * 1988-07-26 1994-02-08 Manfred Kessler Process and device for the determination of local dye concentrations and of scattering parameters in animal and human tissues
US5645061A (en) * 1988-07-26 1997-07-08 Kessler; Manfred Process and device for the determination of local dye concentration and of scattering parameters in animal and human tissues

Also Published As

Publication number Publication date
NL184242C (nl) 1989-05-16
BR8000673A (pt) 1980-10-21
JPS55104741A (en) 1980-08-11
ES488246A1 (es) 1980-09-16
CA1129553A (fr) 1982-08-10
NL8000574A (nl) 1980-08-07
CH634921A5 (fr) 1983-02-28
NL184242B (nl) 1988-12-16
US4483619A (en) 1984-11-20
IT8067164A0 (it) 1980-02-04
FR2448145B2 ( ) 1981-11-20
US4480921A (en) 1984-11-06
GB2043886B (en) 1983-05-25
FR2448145A2 (fr) 1980-08-29
GB2043886A (en) 1980-10-08
IT1128014B (it) 1986-05-28
BE881516A (fr) 1980-08-04

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Legal Events

Date Code Title Description
OD Request for examination
8125 Change of the main classification

Ipc: G01B 11/02

8126 Change of the secondary classification

Ipc: G01N 21/00

8131 Rejection