FR824078A - Device for measuring illumination - Google Patents
Device for measuring illuminationInfo
- Publication number
- FR824078A FR824078A FR824078DA FR824078A FR 824078 A FR824078 A FR 824078A FR 824078D A FR824078D A FR 824078DA FR 824078 A FR824078 A FR 824078A
- Authority
- FR
- France
- Prior art keywords
- measuring illumination
- illumination
- measuring
- 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
- 238000005286 illumination Methods 0.000 title 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
- G01J1/60—Photometry, e.g. photographic exposure meter by measuring the pupil of the eye
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR824078T | 1936-10-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR824078A true FR824078A (en) | 1938-02-01 |
Family
ID=9281677
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR824078D Expired FR824078A (en) | 1936-10-17 | 1936-10-17 | Device for measuring illumination |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR824078A (en) |
-
1936
- 1936-10-17 FR FR824078D patent/FR824078A/en not_active Expired
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