FR1420320A - New photometer for cameras - Google Patents
New photometer for camerasInfo
- Publication number
- FR1420320A FR1420320A FR1720A FR1720A FR1420320A FR 1420320 A FR1420320 A FR 1420320A FR 1720 A FR1720 A FR 1720A FR 1720 A FR1720 A FR 1720A FR 1420320 A FR1420320 A FR 1420320A
- Authority
- FR
- France
- Prior art keywords
- cameras
- photometer
- new
- new 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
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
- G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
- G03B7/099—Arrangement of photoelectric elements in or on the camera
-
- 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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
- G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Diaphragms For Cameras (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US33745464A | 1964-01-13 | 1964-01-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1420320A true FR1420320A (en) | 1965-12-03 |
Family
ID=23320610
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1720A Expired FR1420320A (en) | 1964-01-13 | 1965-01-13 | New photometer for cameras |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR1420320A (en) |
GB (1) | GB1129141A (en) |
-
1965
- 1965-01-13 FR FR1720A patent/FR1420320A/en not_active Expired
- 1965-01-13 GB GB1481/65A patent/GB1129141A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1129141A (en) | 1968-10-02 |
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