BE705885A - - Google Patents
Info
- Publication number
- BE705885A BE705885A BE705885DA BE705885A BE 705885 A BE705885 A BE 705885A BE 705885D A BE705885D A BE 705885DA BE 705885 A BE705885 A BE 705885A
- 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
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/4228—Photometry, e.g. photographic exposure meter using electric radiation detectors arrangements with two or more detectors, e.g. for sensitivity compensation
-
- 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
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/44—Electric circuits
-
- 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)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6616304A NL6616304A (fr) | 1966-11-18 | 1966-11-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE705885A true BE705885A (fr) | 1968-03-01 |
Family
ID=19798231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE705885D BE705885A (fr) | 1966-11-18 | 1967-10-30 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE705885A (fr) |
| CH (1) | CH499773A (fr) |
| DE (1) | DE1572695A1 (fr) |
| FR (1) | FR1583727A (fr) |
| GB (1) | GB1191719A (fr) |
| NL (1) | NL6616304A (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3676686A (en) * | 1970-07-24 | 1972-07-11 | Instrumentation Specialties In | High sensitivity light absorbance apparatus |
| CN116429250B (zh) * | 2023-06-14 | 2023-10-13 | 深圳深浦电气有限公司 | 光电检测电路、光电检测方法和光电传感器 |
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1966
- 1966-11-18 NL NL6616304A patent/NL6616304A/xx unknown
-
1967
- 1967-10-17 FR FR1583727D patent/FR1583727A/fr not_active Expired
- 1967-10-17 DE DE19671572695 patent/DE1572695A1/de active Pending
- 1967-10-30 BE BE705885D patent/BE705885A/xx unknown
- 1967-10-31 GB GB4943267A patent/GB1191719A/en not_active Expired
- 1967-11-17 CH CH1633167A patent/CH499773A/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| GB1191719A (en) | 1970-05-13 |
| DE1572695A1 (de) | 1970-05-14 |
| NL6616304A (fr) | 1968-05-20 |
| FR1583727A (fr) | 1969-12-05 |
| CH499773A (de) | 1970-11-30 |