FR1156397A - Light meter - Google Patents
Light meterInfo
- Publication number
- FR1156397A FR1156397A FR1156397DA FR1156397A FR 1156397 A FR1156397 A FR 1156397A FR 1156397D A FR1156397D A FR 1156397DA FR 1156397 A FR1156397 A FR 1156397A
- Authority
- FR
- France
- Prior art keywords
- light meter
- meter
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- G01J1/4209—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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1156397T | 1956-07-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1156397A true FR1156397A (en) | 1958-05-14 |
Family
ID=9649950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1156397D Expired FR1156397A (en) | 1956-07-17 | 1956-07-17 | Light meter |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR1156397A (en) |
-
1956
- 1956-07-17 FR FR1156397D patent/FR1156397A/en not_active Expired
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