CS177755B1 - - Google Patents
Info
- Publication number
- CS177755B1 CS177755B1 CS547568A CS547568A CS177755B1 CS 177755 B1 CS177755 B1 CS 177755B1 CS 547568 A CS547568 A CS 547568A CS 547568 A CS547568 A CS 547568A CS 177755 B1 CS177755 B1 CS 177755B1
- Authority
- CS
- Czechoslovakia
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
- G01J1/20—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 |
|---|---|---|---|
| DD12648267 | 1967-08-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS177755B1 true CS177755B1 (cs) | 1977-08-31 |
Family
ID=5479453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS547568A CS177755B1 (cs) | 1967-08-09 | 1968-07-26 |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH477680A (cs) |
| CS (1) | CS177755B1 (cs) |
-
1968
- 1968-06-20 CH CH918368A patent/CH477680A/de not_active IP Right Cessation
- 1968-07-26 CS CS547568A patent/CS177755B1/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH477680A (de) | 1969-08-31 |