BE634382A - - Google Patents
Info
- Publication number
- BE634382A BE634382A BE634382DA BE634382A BE 634382 A BE634382 A BE 634382A BE 634382D A BE634382D A BE 634382DA BE 634382 A BE634382 A BE 634382A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
- G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
- G01J1/18—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors using comparison with a reference electric value
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
- G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Biochemistry (AREA)
- Theoretical Computer Science (AREA)
- Engineering & Computer Science (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US207653A US3167377A (en) | 1962-07-05 | 1962-07-05 | Digital read-out apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE634382A true BE634382A (US07122603-20061017-C00294.png) |
Family
ID=22771460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE634382D BE634382A (US07122603-20061017-C00294.png) | 1962-07-05 |
Country Status (6)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3315065A (en) * | 1962-12-12 | 1967-04-18 | Gen Signal Corp | Apparatus for measuring and recording vehicular traffic parameters |
| BE758210A (fr) * | 1969-10-29 | 1971-04-01 | Sherwood Medical Ind Inc | Systeme de lecture |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2960910A (en) * | 1957-06-07 | 1960-11-22 | Technicon Instr | Apparatus for visually indicating or recording numerical values of constituents of fluids under analysis |
-
0
- BE BE634382D patent/BE634382A/xx unknown
- GB GB1051885D patent/GB1051885A/en active Active
-
1962
- 1962-07-05 US US207653A patent/US3167377A/en not_active Expired - Lifetime
-
1963
- 1963-07-02 SE SE7356/63A patent/SE305761B/xx unknown
- 1963-07-03 DE DE1673109A patent/DE1673109C3/de not_active Expired
- 1963-07-04 CH CH829563A patent/CH426315A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH426315A (de) | 1966-12-15 |
| SE305761B (US07122603-20061017-C00294.png) | 1968-11-04 |
| US3167377A (en) | 1965-01-26 |
| GB1051885A (US07122603-20061017-C00294.png) | |
| DE1673109C3 (de) | 1974-01-24 |
| DE1673109B2 (US07122603-20061017-C00294.png) | 1972-11-30 |
| DE1673109A1 (de) | 1970-09-10 |
