FR1361097A - Luminance analyzer-counter for photography - Google Patents
Luminance analyzer-counter for photographyInfo
- Publication number
- FR1361097A FR1361097A FR939172A FR939172A FR1361097A FR 1361097 A FR1361097 A FR 1361097A FR 939172 A FR939172 A FR 939172A FR 939172 A FR939172 A FR 939172A FR 1361097 A FR1361097 A FR 1361097A
- Authority
- FR
- France
- Prior art keywords
- photography
- counter
- luminance analyzer
- luminance
- analyzer
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR939172A FR1361097A (en) | 1963-06-24 | 1963-06-24 | Luminance analyzer-counter for photography |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR939172A FR1361097A (en) | 1963-06-24 | 1963-06-24 | Luminance analyzer-counter for photography |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1361097A true FR1361097A (en) | 1964-05-15 |
Family
ID=8806800
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR939172A Expired FR1361097A (en) | 1963-06-24 | 1963-06-24 | Luminance analyzer-counter for photography |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1361097A (en) |
-
1963
- 1963-06-24 FR FR939172A patent/FR1361097A/en not_active Expired
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