CA1035184A - Systeme optique a double faisceau - Google Patents
Systeme optique a double faisceauInfo
- Publication number
- CA1035184A CA1035184A CA250,615A CA250615A CA1035184A CA 1035184 A CA1035184 A CA 1035184A CA 250615 A CA250615 A CA 250615A CA 1035184 A CA1035184 A CA 1035184A
- Authority
- CA
- Canada
- Prior art keywords
- optical system
- beam optical
- dual beam
- dual
- optical
- 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
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)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/585,190 US3989948A (en) | 1975-06-09 | 1975-06-09 | Dual beam optical system |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1035184A true CA1035184A (fr) | 1978-07-25 |
Family
ID=24340394
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA250,615A Expired CA1035184A (fr) | 1975-06-09 | 1976-04-21 | Systeme optique a double faisceau |
Country Status (4)
Country | Link |
---|---|
US (1) | US3989948A (fr) |
CA (1) | CA1035184A (fr) |
DE (1) | DE2621331C3 (fr) |
GB (1) | GB1555992A (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4536091A (en) * | 1979-06-01 | 1985-08-20 | Isco, Inc. | Absorbance monitor |
US4348115A (en) * | 1980-02-15 | 1982-09-07 | Phillips Petroleum Company | Chromatographic analyzer detector and method |
US4870264A (en) * | 1988-07-26 | 1989-09-26 | Christian Beha | Device for optically measuring the shading of translucent panes |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1118868A (en) * | 1913-09-08 | 1914-11-24 | Frederich Kerschbaum | Metallic-vapor lamp. |
US2411672A (en) * | 1941-09-02 | 1946-11-26 | Paper Chemistry Inst | Electrical control system |
US2551542A (en) * | 1948-11-10 | 1951-05-01 | Charles R Marsh | Fluorophotometer |
US3490875A (en) * | 1966-02-24 | 1970-01-20 | Bausch & Lomb | Photoelectric measuring system including two controlled radiation attenuators |
US3463927A (en) * | 1966-08-02 | 1969-08-26 | Robert W Allington | Apparatus for measuring absorbance differences |
US3552863A (en) * | 1967-07-28 | 1971-01-05 | Beckman Instruments Inc | Method and apparatus for comparing the transmittance of a sample and a standard |
US3783276A (en) * | 1972-06-05 | 1974-01-01 | Instrumentation Specialties Co | Dual beam optical system |
-
1975
- 1975-06-09 US US05/585,190 patent/US3989948A/en not_active Expired - Lifetime
-
1976
- 1976-04-21 CA CA250,615A patent/CA1035184A/fr not_active Expired
- 1976-05-14 DE DE2621331A patent/DE2621331C3/de not_active Expired
- 1976-06-09 GB GB23912/76A patent/GB1555992A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3989948A (en) | 1976-11-02 |
DE2621331A1 (de) | 1976-12-16 |
GB1555992A (en) | 1979-11-14 |
DE2621331B2 (de) | 1980-04-10 |
DE2621331C3 (de) | 1980-12-11 |
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