FR16612E - Photomètre - Google Patents
PhotomètreInfo
- Publication number
- FR16612E FR16612E FR16612DA FR16612E FR 16612 E FR16612 E FR 16612E FR 16612D A FR16612D A FR 16612DA FR 16612 E FR16612 E FR 16612E
- Authority
- FR
- France
- Prior art keywords
- photometer
- 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
- G01J1/48—Photometry, e.g. photographic exposure meter using chemical effects
- G01J1/50—Photometry, e.g. photographic exposure meter using chemical effects using change in colour of an indicator, e.g. actinometer
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR442623T | 1912-04-17 | ||
FR16612T | 1912-10-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR16612E true FR16612E (fr) | 1913-03-18 |
Family
ID=1358209
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR16612D Expired FR16612E (fr) | 1912-04-17 | 1912-10-16 | Photomètre |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR16612E (fr) |
-
1912
- 1912-10-16 FR FR16612D patent/FR16612E/fr not_active Expired
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