FR2372449A1 - - Google Patents

Info

Publication number
FR2372449A1
FR2372449A1 FR7726841A FR7726841A FR2372449A1 FR 2372449 A1 FR2372449 A1 FR 2372449A1 FR 7726841 A FR7726841 A FR 7726841A FR 7726841 A FR7726841 A FR 7726841A FR 2372449 A1 FR2372449 A1 FR 2372449A1
Authority
FR
France
Prior art keywords
same
light source
beams
colorimeter
light
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.)
Withdrawn
Application number
FR7726841A
Other languages
English (en)
French (fr)
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.)
Sterndent Corp
Original Assignee
Sterndent Corp
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 Sterndent Corp filed Critical Sterndent Corp
Publication of FR2372449A1 publication Critical patent/FR2372449A1/fr
Withdrawn legal-status Critical Current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
    • G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems

Landscapes

  • Physics & Mathematics (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)
  • Spectrometry And Color Measurement (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
FR7726841A 1976-09-07 1977-09-05 Withdrawn FR2372449A1 (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/721,107 US4123172A (en) 1976-09-07 1976-09-07 Comparison type colorimeter

Publications (1)

Publication Number Publication Date
FR2372449A1 true FR2372449A1 (OSRAM) 1978-06-23

Family

ID=24896571

Family Applications (2)

Application Number Title Priority Date Filing Date
FR7726841A Withdrawn FR2372449A1 (OSRAM) 1976-09-07 1977-09-05
FR7801644A Withdrawn FR2372448A1 (fr) 1976-09-07 1978-01-20 Dispositif d'eclairage pour systeme de mesure optique

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR7801644A Withdrawn FR2372448A1 (fr) 1976-09-07 1978-01-20 Dispositif d'eclairage pour systeme de mesure optique

Country Status (5)

Country Link
US (1) US4123172A (OSRAM)
JP (1) JPS5351784A (OSRAM)
CA (1) CA1086522A (OSRAM)
DE (1) DE2739793A1 (OSRAM)
FR (2) FR2372449A1 (OSRAM)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4454568A (en) * 1982-03-15 1984-06-12 Interactive Entertainment Corp. Light pattern generator
US4616657A (en) * 1982-07-19 1986-10-14 The First National Bank Of Boston Diaphanoscopy apparatus
US4495949A (en) * 1982-07-19 1985-01-29 Spectrascan, Inc. Transillumination method
US4651743A (en) * 1982-07-19 1987-03-24 Spectrascan, Inc. Diaphanoscopy method
US4467812A (en) * 1982-07-19 1984-08-28 Spectrascan, Inc. Transillumination apparatus
US5140989A (en) * 1983-10-14 1992-08-25 Somanetics Corporation Examination instrument for optical-response diagnostic apparatus
US5139025A (en) * 1983-10-14 1992-08-18 Somanetics Corporation Method and apparatus for in vivo optical spectroscopic examination
US4817623A (en) 1983-10-14 1989-04-04 Somanetics Corporation Method and apparatus for interpreting optical response data
US4570638A (en) * 1983-10-14 1986-02-18 Somanetics Corporation Method and apparatus for spectral transmissibility examination and analysis
JPS60160820A (ja) * 1984-01-31 1985-08-22 森　敬 光源装置
US4659229A (en) * 1984-10-10 1987-04-21 Miles Laboratories, Inc. Readhead with reduced height sensitivity
US4933816A (en) * 1987-03-02 1990-06-12 Hug William F Inspection/detection system with a light module for use in forensic applications
DE3809160A1 (de) * 1988-03-18 1989-09-28 Leybold Ag Infrarot-strahlungsquelle, insbesondere fuer ein mehrkanaliges gasanalysegeraet
JPH0724608B2 (ja) * 1991-11-05 1995-03-22 三洋電機株式会社 枠体の脚装置
US5341275A (en) * 1992-01-22 1994-08-23 Abbas Ghandehari Compact light source for fiber optics illumination
US5613752A (en) * 1994-07-22 1997-03-25 Instruments Sa, Inc. Tunable high intensity forensic light
WO1996008710A1 (en) * 1994-09-14 1996-03-21 X-Rite Incorporated Compact spectrophotometer
US5963333A (en) * 1996-09-12 1999-10-05 Color Savvy Systems Limited Color sensor
US6862093B2 (en) 2000-12-29 2005-03-01 Horiba Jobin Yvon Inc. Ruggedized forensic light source
US20050111233A1 (en) * 2003-11-26 2005-05-26 Nicolas Vezard Tunable compact forensic light source
US8390810B2 (en) * 2007-12-20 2013-03-05 Hewlett-Packard Development Company, L.P. Color sensing device
FI128285B (en) * 2014-06-27 2020-02-28 Metso Automation Oy Multichannel optical measurement unit, multichannel optical detector unit and related measurement method
US10883925B2 (en) * 2018-09-24 2021-01-05 Hf Scientific, Inc. Spectrophotometer for use in explosive atmospheres

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB661425A (en) * 1949-05-16 1951-11-21 Edison Swan Electric Co Ltd Improvements relating to light energy comparators
FR1329190A (fr) * 1961-07-21 1963-06-07 Dispositif de mesure au moyen de deux faisceaux lumineux
FR1389955A (fr) * 1964-04-09 1965-02-19 Hartmann & Braun Ag Photomètre à diffusion
DE2033183A1 (de) * 1970-07-04 1972-01-13 Licentia Gmbh Vorrichtung zum lichtelektrischen Abtasten von Markierungen an oder auf bahnförmigem Gut
FR2117821A1 (OSRAM) * 1970-12-18 1972-07-28 Grillot Marius
US3940623A (en) * 1973-07-20 1976-02-24 Uranit, Uran-Isotopentrennungs-Gesellschaft M.B.H. Apparatus for measuring the proportion or quantity of a component in a radiation-transparent mixture

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2892378A (en) * 1955-04-26 1959-06-30 Gen Electric Indicating turbidimeter
US3332313A (en) * 1962-04-02 1967-07-25 Du Pont Apparatus for absorption spectra analysis
DE1212743B (de) * 1963-05-20 1966-03-17 Hartmann & Braun Ag Photometer mit Strahlenaufteilung
GB1054767A (OSRAM) * 1963-10-11 1900-01-01
US3455622A (en) * 1964-06-29 1969-07-15 George D Cooper Lighting device for transmitting visible radiant energies to inaccessible places
FR1431406A (fr) * 1965-04-09 1966-03-11 Quarzlampen Gmbh Dispositif pour diriger une lumière dans un faisceau de fils de verre
US3461856A (en) * 1965-10-23 1969-08-19 American Optical Corp Oximeters
GB1197568A (en) * 1966-09-27 1970-07-08 British Petroleum Co Detector for Detecting the End Point in Cloud Point Determination and an Apparatus Comprising It
US3638008A (en) * 1969-04-29 1972-01-25 Amp Inc Multiple light transmission from a single light source
JPS4939017B1 (OSRAM) * 1970-10-20 1974-10-22
FR2118317A5 (OSRAM) * 1970-12-17 1972-07-28 Sagem
US3758784A (en) * 1971-10-29 1973-09-11 G Vischulis Optical detecting head
NO141283L (OSRAM) * 1973-07-03 1900-01-01
US3976891A (en) * 1975-02-18 1976-08-24 Electra-Tronics, Inc. Photoelectric detector for smoke or the like
US3973849A (en) * 1975-06-16 1976-08-10 International Business Machines Corporation Self-calibratable spectrum analyzer

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB661425A (en) * 1949-05-16 1951-11-21 Edison Swan Electric Co Ltd Improvements relating to light energy comparators
FR1329190A (fr) * 1961-07-21 1963-06-07 Dispositif de mesure au moyen de deux faisceaux lumineux
FR1389955A (fr) * 1964-04-09 1965-02-19 Hartmann & Braun Ag Photomètre à diffusion
DE2033183A1 (de) * 1970-07-04 1972-01-13 Licentia Gmbh Vorrichtung zum lichtelektrischen Abtasten von Markierungen an oder auf bahnförmigem Gut
FR2117821A1 (OSRAM) * 1970-12-18 1972-07-28 Grillot Marius
US3940623A (en) * 1973-07-20 1976-02-24 Uranit, Uran-Isotopentrennungs-Gesellschaft M.B.H. Apparatus for measuring the proportion or quantity of a component in a radiation-transparent mixture

Also Published As

Publication number Publication date
DE2739793A1 (de) 1978-03-09
FR2372448A1 (fr) 1978-06-23
JPS5351784A (en) 1978-05-11
CA1086522A (en) 1980-09-30
US4123172A (en) 1978-10-31

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Legal Events

Date Code Title Description
ST Notification of lapse