BE765128A - Densitometre - Google Patents
DensitometreInfo
- Publication number
- BE765128A BE765128A BE765128A BE765128A BE765128A BE 765128 A BE765128 A BE 765128A BE 765128 A BE765128 A BE 765128A BE 765128 A BE765128 A BE 765128A BE 765128 A BE765128 A BE 765128A
- Authority
- BE
- Belgium
- Prior art keywords
- densitometer
- Prior art date
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
-
- 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
- G01J1/20—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle
- G01J1/22—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using a variable element in the light-path, e.g. filter, polarising means
- G01J1/24—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using a variable element in the light-path, e.g. filter, polarising means using electric radiation detectors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH488670A CH522219A (de) | 1970-04-02 | 1970-04-02 | Densitometer |
Publications (1)
Publication Number | Publication Date |
---|---|
BE765128A true BE765128A (fr) | 1971-10-01 |
Family
ID=4284253
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE765128A BE765128A (fr) | 1970-04-02 | 1971-04-01 | Densitometre |
Country Status (8)
Country | Link |
---|---|
US (1) | US3711208A (de) |
BE (1) | BE765128A (de) |
CA (1) | CA932550A (de) |
CH (1) | CH522219A (de) |
DE (1) | DE2116035A1 (de) |
FR (1) | FR2089058A5 (de) |
GB (1) | GB1327709A (de) |
SE (1) | SE358236B (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1434304A (en) * | 1973-05-16 | 1976-05-05 | Ciba Geigy Ag | Optical apparatus |
FR2455751A1 (fr) * | 1979-05-02 | 1980-11-28 | Thomson Csf | Systeme recepteur optoelectrique multispectral a haute dynamique |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2146904A (en) * | 1936-05-07 | 1939-02-14 | Eastman Kodak Co | Reflection and transmission densitometer |
FR1356426A (fr) * | 1963-02-14 | 1964-03-27 | Compteurs Comp D | Perfectionnements aux dispositifs de comparaison de flux lumineux |
US3528749A (en) * | 1966-12-09 | 1970-09-15 | Itek Corp | Apparatus for measuring optical density |
US3623817A (en) * | 1970-02-24 | 1971-11-30 | Ciba Ltd | Comparison densitometer including means to maintain the detector output at a means valve |
US3600099A (en) * | 1970-04-07 | 1971-08-17 | Schoeffel Instrument Corp | Thin layer chromatographic apparatus for comparing a sample and a reference |
-
1970
- 1970-04-02 CH CH488670A patent/CH522219A/de not_active IP Right Cessation
-
1971
- 1971-03-29 CA CA108913A patent/CA932550A/en not_active Expired
- 1971-03-30 US US00129540A patent/US3711208A/en not_active Expired - Lifetime
- 1971-03-31 SE SE04185/71A patent/SE358236B/xx unknown
- 1971-04-01 BE BE765128A patent/BE765128A/xx unknown
- 1971-04-01 DE DE19712116035 patent/DE2116035A1/de active Pending
- 1971-04-01 FR FR7111609A patent/FR2089058A5/fr not_active Expired
- 1971-04-19 GB GB2612971*A patent/GB1327709A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2089058A5 (de) | 1972-01-07 |
US3711208A (en) | 1973-01-16 |
CH522219A (de) | 1972-06-15 |
SE358236B (de) | 1973-07-23 |
GB1327709A (en) | 1973-08-22 |
CA932550A (en) | 1973-08-28 |
DE2116035A1 (de) | 1971-10-14 |
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