DE2746994C2 - - Google Patents

Info

Publication number
DE2746994C2
DE2746994C2 DE19772746994 DE2746994A DE2746994C2 DE 2746994 C2 DE2746994 C2 DE 2746994C2 DE 19772746994 DE19772746994 DE 19772746994 DE 2746994 A DE2746994 A DE 2746994A DE 2746994 C2 DE2746994 C2 DE 2746994C2
Authority
DE
Germany
Prior art keywords
light
light source
receiver
translucent
stage
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
DE19772746994
Other languages
German (de)
English (en)
Other versions
DE2746994A1 (de
Inventor
Jean-Luc Montfermeil Fr Leveque
Gilbert Aulnay Sous Bois Fr Gras
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
Priority claimed from FR7631524A external-priority patent/FR2368708A1/fr
Priority claimed from FR7729193A external-priority patent/FR2404845A2/fr
Application filed by LOreal SA filed Critical LOreal SA
Publication of DE2746994A1 publication Critical patent/DE2746994A1/de
Application granted granted Critical
Publication of DE2746994C2 publication Critical patent/DE2746994C2/de
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • 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
    • G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
DE19772746994 1976-10-20 1977-10-19 Vorrichtung zur quantitativen bestimmung der talgabsonderung der haut Granted DE2746994A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7631524A FR2368708A1 (fr) 1976-10-20 1976-10-20 Appareil destine a mesurer une caracteristique optique d'un echantillon
FR7729193A FR2404845A2 (fr) 1977-09-28 1977-09-28 Appareil destine a reperer la quantite de sebum secretee par une peau

Publications (2)

Publication Number Publication Date
DE2746994A1 DE2746994A1 (de) 1978-06-08
DE2746994C2 true DE2746994C2 ( ) 1992-01-09

Family

ID=26219682

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772746994 Granted DE2746994A1 (de) 1976-10-20 1977-10-19 Vorrichtung zur quantitativen bestimmung der talgabsonderung der haut

Country Status (3)

Country Link
DE (1) DE2746994A1 ( )
GB (1) GB1590598A ( )
IT (1) IT1093016B ( )

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2480461B1 (fr) * 1980-04-09 1986-09-26 Oreal Appareil destine au reperage par classes de la quantite de produits gras se trouvant a la surface d'une peau
FR2890310B1 (fr) 2005-09-06 2009-04-03 Sederma Soc Par Actions Simpli Utilisation des protoberberines comme agents regulant l'activite de l'unite pilosebacee

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2102628A5 ( ) * 1970-08-12 1972-04-07 Compteurs Comp D
US3746451A (en) * 1971-11-26 1973-07-17 Ibm Highly reliable strip width gauge
DE2353224A1 (de) * 1973-10-24 1975-05-07 Karlheinz Schrader Verfahren und vorrichtung zur bestimmung des fettgehaltes der oberflaeche menschlicher haut
DE2535686A1 (de) * 1975-08-09 1977-02-10 Freudenberg Carl Fa Verfahren zur lichtspaltpruefung von lippendichtungen aus elastomeren

Also Published As

Publication number Publication date
DE2746994A1 (de) 1978-06-08
GB1590598A (en) 1981-06-03
IT1093016B (it) 1985-07-19

Similar Documents

Publication Publication Date Title
DE2739585C2 (de) Spektrophotometer
DE2351339C3 (de) Digital-Spektralfotometer
DE3034544C2 ( )
DE4434168A1 (de) Vorrichtung und Verfahren zur Messung und Auswertung von spektralen Strahlungen und insbesondere zur Messung und Auswertung von Farbeigenschaften
DE3536245A1 (de) Vorrichtung zur messung der optischen dichte/des rasterpunkt-flaechenanteils
DE2408197A1 (de) Spektrometer
DE2915423A1 (de) Messanordnung zum nachweis einer fluoreszierenden markierung auf einem papierbogen
DE1939034B1 (de) Photometer zum Durchfuehren von Messungen bei unterschiedlichen Wellenlaengen
DE3418839A1 (de) Geraet zur kolorimetrie/photometrie
DE2649746A1 (de) Vorrichtung zur messung des durch ein material durchgelassenen lichts
DE1572706B2 (de) Lichtimpuls photometer
DE3037771C2 ( )
DE2746994C2 ( )
DE3244286A1 (de) Elektro-optische vorrichtung zum erkennen von farben
DE2713396A1 (de) Verfahren und vorrichtung zur kennzeichnung oder identifizierung eines leuchtmaterial enthaltenden oder tragenden koerpers
DE2036214B2 (de) Infrarotspektrometer
DE1797327C2 (de) Gerät zur Messung des optischen Reflexionsvermögens bzw. der Durchlässigkeit. Ausscheidung aus: 1622484
DE2537089A1 (de) Anordnung zur messung des farborts einer probenflaeche nach dem helligkeitsverfahren
DE2819979C2 (de) Verfahren zur Messung der Dämpfung von Lichtleitfasern
DE3247262A1 (de) Entfernungsmesseinrichtung
DE2904984C3 (de) Meßanordnung zum Bestimmen der spektralen Empfindlichkeit von Photodetektoren
DD203632A1 (de) Schnellverfahren und einrichtung zur fotometrischen blutuntersuchung
DE3743584A1 (de) Optisches spektrometer
DE1547136B2 ( )
DE69907338T2 (de) Verfahren zum Vorwählen der Spannung einer für Assays bestimmten Blitzlampe

Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition