PT72250B - Direct readout apparatus for measuring light transmitted through liquids - Google Patents
Direct readout apparatus for measuring light transmitted through liquidsInfo
- Publication number
- PT72250B PT72250B PT72250A PT7225080A PT72250B PT 72250 B PT72250 B PT 72250B PT 72250 A PT72250 A PT 72250A PT 7225080 A PT7225080 A PT 7225080A PT 72250 B PT72250 B PT 72250B
- Authority
- PT
- Portugal
- Prior art keywords
- liquids
- light transmitted
- measuring light
- readout apparatus
- direct readout
- Prior art date
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
- G01N21/251—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
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)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Spectrometry And Color Measurement (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/106,252 US4312593A (en) | 1979-12-21 | 1979-12-21 | Direct readout apparatus for measuring light transmitted through liquids |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PT72250A PT72250A (en) | 1981-01-01 |
| PT72250B true PT72250B (en) | 1983-01-10 |
Family
ID=22310371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT72250A PT72250B (en) | 1979-12-21 | 1980-12-19 | Direct readout apparatus for measuring light transmitted through liquids |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US4312593A ( ) |
| JP (1) | JPS5698640A ( ) |
| KR (1) | KR830004602A ( ) |
| AR (1) | AR224290A1 ( ) |
| AU (1) | AU6560780A ( ) |
| BE (1) | BE886777A ( ) |
| BR (1) | BR8008250A ( ) |
| CA (1) | CA1144389A ( ) |
| DE (1) | DE3048153A1 ( ) |
| ES (1) | ES498015A0 ( ) |
| FR (1) | FR2472184A1 ( ) |
| GB (1) | GB2065878A ( ) |
| IT (1) | IT1134835B ( ) |
| NL (1) | NL8006918A ( ) |
| PT (1) | PT72250B ( ) |
| SE (1) | SE8008990L ( ) |
Families Citing this family (12)
| 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 |
| WO2011044215A1 (en) * | 2009-10-06 | 2011-04-14 | The Curators Of The University Of Missouri | External/internal optical adapter for ftir spectrophotometer |
| US12006542B2 (en) | 2017-06-09 | 2024-06-11 | University Of Houston System | Force-modulated hybridization for visualizing nucleic acid length and function |
Family Cites Families (8)
| 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 |
-
1979
- 1979-12-21 US US06/106,252 patent/US4312593A/en not_active Expired - Lifetime
-
1980
- 1980-12-17 BR BR8008250A patent/BR8008250A/pt unknown
- 1980-12-18 CA CA000367116A patent/CA1144389A/en not_active Expired
- 1980-12-19 AU AU65607/80A patent/AU6560780A/en not_active Abandoned
- 1980-12-19 AR AR283731A patent/AR224290A1/es active
- 1980-12-19 PT PT72250A patent/PT72250B/pt unknown
- 1980-12-19 NL NL8006918A patent/NL8006918A/nl not_active Application Discontinuation
- 1980-12-19 FR FR8027050A patent/FR2472184A1/fr not_active Withdrawn
- 1980-12-19 GB GB8040802A patent/GB2065878A/en not_active Withdrawn
- 1980-12-19 IT IT26839/80A patent/IT1134835B/it active
- 1980-12-19 BE BE0/203253A patent/BE886777A/fr unknown
- 1980-12-19 KR KR1019800004856A patent/KR830004602A/ko unknown
- 1980-12-19 DE DE19803048153 patent/DE3048153A1/de not_active Withdrawn
- 1980-12-19 ES ES498015A patent/ES498015A0/es active Granted
- 1980-12-19 SE SE8008990A patent/SE8008990L/ not_active Application Discontinuation
- 1980-12-20 JP JP18182380A patent/JPS5698640A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| IT1134835B (it) | 1986-08-20 |
| JPS5698640A (en) | 1981-08-08 |
| PT72250A (en) | 1981-01-01 |
| FR2472184A1 (fr) | 1981-06-26 |
| GB2065878A (en) | 1981-07-01 |
| NL8006918A (nl) | 1981-07-16 |
| ES8205314A1 (es) | 1982-06-01 |
| US4312593A (en) | 1982-01-26 |
| ES498015A0 (es) | 1982-06-01 |
| DE3048153A1 (de) | 1981-09-03 |
| AU6560780A (en) | 1981-06-25 |
| AR224290A1 (es) | 1981-11-13 |
| IT8026839A0 (it) | 1980-12-19 |
| KR830004602A (ko) | 1983-07-16 |
| SE8008990L (sv) | 1981-06-22 |
| BE886777A (fr) | 1981-06-19 |
| BR8008250A (pt) | 1981-07-07 |
| CA1144389A (en) | 1983-04-12 |
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