FR2189723A1 - - Google Patents
Info
- Publication number
- FR2189723A1 FR2189723A1 FR7322910A FR7322910A FR2189723A1 FR 2189723 A1 FR2189723 A1 FR 2189723A1 FR 7322910 A FR7322910 A FR 7322910A FR 7322910 A FR7322910 A FR 7322910A FR 2189723 A1 FR2189723 A1 FR 2189723A1
- Authority
- FR
- France
- 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.)
- Granted
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
-
- 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)
- 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)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722230731 DE2230731C3 (de) | 1972-06-23 | Selbstabgleichendes Betriebsphotometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2189723A1 true FR2189723A1 (US20020095090A1-20020718-M00002.png) | 1974-01-25 |
| FR2189723B1 FR2189723B1 (US20020095090A1-20020718-M00002.png) | 1977-02-18 |
Family
ID=5848569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7322910A Expired FR2189723B1 (US20020095090A1-20020718-M00002.png) | 1972-06-23 | 1973-06-22 |
Country Status (6)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2329999A1 (fr) * | 1975-10-30 | 1977-05-27 | Innotec Oy | Analyseur a infra-rouge |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1006007A (en) * | 1974-08-01 | 1977-03-01 | Majesty (Her) In Right Of Canada As Represented By Atomic Energy Of Canada Limited | Vapour concentration monitor using a modulated beam |
| US4583859A (en) * | 1984-03-30 | 1986-04-22 | The Babcock & Wilcox Company | Filter cleaning system for opacity monitor |
| US4692621A (en) * | 1985-10-11 | 1987-09-08 | Andros Anlayzers Incorporated | Digital anesthetic agent analyzer |
| JPS6378053A (ja) * | 1986-09-20 | 1988-04-08 | Horiba Ltd | ガス分析計 |
| DE3633931A1 (de) * | 1986-10-04 | 1988-04-07 | Kernforschungsz Karlsruhe | Verfahren und einrichtung zur kontinuierlichen messung der konzentration eines gasbestandteiles |
| US5009794A (en) * | 1989-05-16 | 1991-04-23 | Wedgewood Technology, Inc. | System and method for controlling butterfat content in standardized milk product |
| DE19746862A1 (de) * | 1997-10-23 | 1999-04-29 | Huels Chemische Werke Ag | Vorrichtung und Verfahren für Probenahme und IR-spektroskopische Analyse von hochreinen, hygroskopischen Flüssigkeiten |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3622795A (en) * | 1968-10-10 | 1971-11-23 | Coulter Electronics | Colorimetric fluid test apparatus having plural fluid sequential control |
-
1973
- 1973-06-20 US US05/371,903 patent/US3932040A/en not_active Expired - Lifetime
- 1973-06-20 GB GB2929773A patent/GB1423460A/en not_active Expired
- 1973-06-20 IT IT25666/73A patent/IT989347B/it active
- 1973-06-21 CH CH905973A patent/CH565997A5/xx not_active IP Right Cessation
- 1973-06-21 JP JP48069266A patent/JPS4965264A/ja active Pending
- 1973-06-22 FR FR7322910A patent/FR2189723B1/fr not_active Expired
Non-Patent Citations (1)
| Title |
|---|
| NEANT * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2329999A1 (fr) * | 1975-10-30 | 1977-05-27 | Innotec Oy | Analyseur a infra-rouge |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2230731A1 (de) | 1974-01-10 |
| GB1423460A (en) | 1976-02-04 |
| JPS4965264A (US20020095090A1-20020718-M00002.png) | 1974-06-25 |
| US3932040A (en) | 1976-01-13 |
| IT989347B (it) | 1975-05-20 |
| CH565997A5 (US20020095090A1-20020718-M00002.png) | 1975-08-29 |
| FR2189723B1 (US20020095090A1-20020718-M00002.png) | 1977-02-18 |
| DE2230731B2 (de) | 1976-12-09 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |