BE694077A - - Google Patents
Info
- Publication number
- BE694077A BE694077A BE694077DA BE694077A BE 694077 A BE694077 A BE 694077A BE 694077D A BE694077D A BE 694077DA BE 694077 A BE694077 A BE 694077A
- 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
- 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
- G01J1/1626—Arrangements with two photodetectors, the signals of which are compared
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 |
|---|---|---|---|
| CS101866 | 1966-02-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE694077A true BE694077A (en]) | 1967-08-16 |
Family
ID=5343473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE694077D BE694077A (en]) | 1966-02-16 | 1967-02-15 |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT290163B (en]) |
| BE (1) | BE694077A (en]) |
| CH (1) | CH470665A (en]) |
| DE (1) | DE1547234A1 (en]) |
| FR (1) | FR1511411A (en]) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE767624C (de) * | 1938-05-21 | 1953-03-02 | Lorenz C Ag | Verfahren zur Erzeugung und Aussendung von geheimen Mehrfachalphabet-Telegrammen |
| US3582664A (en) * | 1968-01-15 | 1971-06-01 | Jiri Hrdina | Compensated photoelectric measurement of fluids |
-
1967
- 1967-02-11 DE DE19671547234 patent/DE1547234A1/de active Pending
- 1967-02-13 AT AT136767A patent/AT290163B/de not_active IP Right Cessation
- 1967-02-15 FR FR94972A patent/FR1511411A/fr not_active Expired
- 1967-02-15 BE BE694077D patent/BE694077A/xx unknown
- 1967-02-16 CH CH223767A patent/CH470665A/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE1547234A1 (de) | 1970-01-15 |
| FR1511411A (fr) | 1968-01-26 |
| AT290163B (de) | 1971-05-25 |
| CH470665A (de) | 1969-03-31 |