FR411669A - Photomètre - Google Patents
PhotomètreInfo
- Publication number
- FR411669A FR411669A FR411669DA FR411669A FR 411669 A FR411669 A FR 411669A FR 411669D A FR411669D A FR 411669DA FR 411669 A FR411669 A FR 411669A
- 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
- G01J1/10—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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR411669T | 1909-04-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR411669A true FR411669A (fr) | 1910-06-22 |
Family
ID=1455594
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR411669D Expired FR411669A (fr) | 1909-04-15 | 1909-04-15 | Photomètre |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR411669A (fr) |
-
1909
- 1909-04-15 FR FR411669D patent/FR411669A/fr not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR411669A (fr) | Photomètre | |
FR10827E (fr) | Chemise-gilet | |
FR401705A (fr) | Sac-nécessaire | |
FI3797A (fi) | Bråkräkningsmaskin | |
FI3639A (fi) | Föränderlig sängbotten | |
FI3737A (fi) | Svinho | |
CH46602A (fr) | Escarpolette | |
CH46686A (de) | Auslegestorren | |
CH46849A (de) | Fälzelapparat | |
CH47373A (de) | Eisennbahnschwelle | |
CH47944A (de) | Rockraffer | |
CH48106A (de) | Kegelspiel | |
CH48178A (de) | Hydro-Aeroplan | |
CH49362A (de) | Monoplan | |
CH49565A (de) | Kreuzkötzerspulmaschine | |
CH49830A (de) | Monoplan | |
CH50287A (de) | Kontroll-Registrier-Wechsel-Kasse | |
CH50809A (de) | Kötzerspulmaschinen | |
CH51544A (de) | Kontroll-Registrier-Wechsel-Kasse | |
FI3567A (fi) | Smörältningsapparat | |
FI3813A (fi) | Rökfri kaffebrännare | |
FI3589A (fi) | Inställbar gardinkäpp- och karnishållare | |
FI3592A (fi) | Impregnerade tandborstar | |
FI3612A (fi) | Enspårig kälke | |
FI3621A (fi) | Bränslebesparande kakelugn |