NL8006918A - Directe uitleesinrichting voor het meten van door een vloeistof overgedragen licht. - Google Patents

Directe uitleesinrichting voor het meten van door een vloeistof overgedragen licht. Download PDF

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Publication number
NL8006918A
NL8006918A NL8006918A NL8006918A NL8006918A NL 8006918 A NL8006918 A NL 8006918A NL 8006918 A NL8006918 A NL 8006918A NL 8006918 A NL8006918 A NL 8006918A NL 8006918 A NL8006918 A NL 8006918A
Authority
NL
Netherlands
Prior art keywords
circuit
signal
light
light source
electrically connected
Prior art date
Application number
NL8006918A
Other languages
English (en)
Dutch (nl)
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of NL8006918A publication Critical patent/NL8006918A/nl

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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
    • G01N21/251—Colorimeters; Construction thereof
    • 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
NL8006918A 1979-12-21 1980-12-19 Directe uitleesinrichting voor het meten van door een vloeistof overgedragen licht. NL8006918A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10625279 1979-12-21
US06/106,252 US4312593A (en) 1979-12-21 1979-12-21 Direct readout apparatus for measuring light transmitted through liquids

Publications (1)

Publication Number Publication Date
NL8006918A true NL8006918A (nl) 1981-07-16

Family

ID=22310371

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8006918A NL8006918A (nl) 1979-12-21 1980-12-19 Directe uitleesinrichting voor het meten van door een vloeistof overgedragen licht.

Country Status (16)

Country Link
US (1) US4312593A (es)
JP (1) JPS5698640A (es)
KR (1) KR830004602A (es)
AR (1) AR224290A1 (es)
AU (1) AU6560780A (es)
BE (1) BE886777A (es)
BR (1) BR8008250A (es)
CA (1) CA1144389A (es)
DE (1) DE3048153A1 (es)
ES (1) ES498015A0 (es)
FR (1) FR2472184A1 (es)
GB (1) GB2065878A (es)
IT (1) IT1134835B (es)
NL (1) NL8006918A (es)
PT (1) PT72250B (es)
SE (1) SE8008990L (es)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58223040A (ja) * 1982-06-22 1983-12-24 Nippon Koden Corp 呼吸気ガス濃度測定装置
FR2569475B3 (fr) * 1984-08-24 1986-09-05 Sacilor Procede et dispositif de mesure de la pollution d'un fluide
IT1177253B (it) * 1984-11-19 1987-08-26 Instrumentation Lab Spa Fotometro analitico, in particolare multicanale applicato ad un sistema centrifugo atto alla determinazione praticamente simultanea della presenza di differenti sostanze in un certo numero di campioni
US4700059A (en) * 1986-03-13 1987-10-13 Dionex Corporation Chromatographic optical detector with logarithmic calibration circuit
US4986665A (en) * 1987-08-06 1991-01-22 Minolta Camera Kabushiki Kaisha Optical density detector
JPH02257929A (ja) * 1989-03-09 1990-10-18 Makutaa Kk 生体透過率測定器
US5066132A (en) * 1989-08-09 1991-11-19 Sunstar Engineering, Inc. Method of and apparatus for inspecting paint coating
EP1010975A1 (en) * 1998-12-14 2000-06-21 SCITEX DIGITAL PRINTING, Inc. Liquid concentration optical sensor
DE19943733C1 (de) * 1999-09-03 2001-06-13 Otto Hoff Verfahren und Anordnung zur optoelektronischen Identifikation strömender Flüssigkeiten
US7491366B2 (en) * 2005-03-03 2009-02-17 Ecolab Inc. Portable multi-channel device for optically testing a liquid sample
US8766191B2 (en) * 2009-10-06 2014-07-01 The Curators Of The University Of Missouri External/internal optical adapter for FTIR spectrophotometer
US20230160003A1 (en) * 2017-06-09 2023-05-25 University Of Houston System Force-modulated hybridization for visualizing nucleic acid length and function

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4066412A (en) * 1966-04-26 1978-01-03 E. I. Du Pont De Nemours And Company Automatic clinical analyzer
US4066362A (en) * 1968-08-16 1978-01-03 E. I. Du Pont De Nemours And Company Apparatus and method for performing photometric analysis
US3580683A (en) * 1969-01-14 1971-05-25 Photovolt Corp Computing colorimeter
US3582659A (en) * 1969-06-17 1971-06-01 Manuel S Dekker Spectrophotometer circuit with linear response to absorbance
US3833864A (en) * 1972-11-30 1974-09-03 R Kiess Digital direct reading colorimeter
US4053235A (en) * 1973-04-27 1977-10-11 Cosar Corporation Digital reflection densitometer system
US3840305A (en) * 1973-07-20 1974-10-08 Itt Electro-optical apparatus with temperature compensation
US3942898A (en) * 1974-07-25 1976-03-09 Beckman Instruments, Inc. Densitometer for measuring the density of an optical element such as a film badge

Also Published As

Publication number Publication date
AU6560780A (en) 1981-06-25
PT72250B (en) 1983-01-10
BE886777A (fr) 1981-06-19
AR224290A1 (es) 1981-11-13
IT8026839A0 (it) 1980-12-19
JPS5698640A (en) 1981-08-08
BR8008250A (pt) 1981-07-07
PT72250A (en) 1981-01-01
ES8205314A1 (es) 1982-06-01
ES498015A0 (es) 1982-06-01
IT1134835B (it) 1986-08-20
DE3048153A1 (de) 1981-09-03
US4312593A (en) 1982-01-26
CA1144389A (en) 1983-04-12
GB2065878A (en) 1981-07-01
KR830004602A (ko) 1983-07-16
SE8008990L (sv) 1981-06-22
FR2472184A1 (fr) 1981-06-26

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Legal Events

Date Code Title Description
BT A notification was added to the application dossier and made available to the public
BV The patent application has lapsed