BE526669A - - Google Patents
Info
- Publication number
- BE526669A BE526669A BE526669DA BE526669A BE 526669 A BE526669 A BE 526669A BE 526669D A BE526669D A BE 526669DA BE 526669 A BE526669 A BE 526669A
- Authority
- BE
- Belgium
- Prior art keywords
- light
- dial
- light meter
- cell
- emulsion
- Prior art date
Links
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 230000004907 flux Effects 0.000 claims description 2
- 239000000839 emulsion Substances 0.000 description 21
- 230000035945 sensitivity Effects 0.000 description 19
- 230000000875 corresponding effect Effects 0.000 description 9
- 238000010276 construction Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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
- G01J1/4209—Photoelectric exposure meters for determining the exposure time in recording or reproducing
- G01J1/4214—Photoelectric exposure meters for determining the exposure time in recording or reproducing specially adapted for view-taking apparatus
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE526669A true BE526669A (enrdf_load_stackoverflow) |
Family
ID=160557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE526669D BE526669A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE526669A (enrdf_load_stackoverflow) |
-
0
- BE BE526669D patent/BE526669A/fr unknown
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