FR1429848A - Automatic lumination adjustment device for photographic camera - Google Patents
Automatic lumination adjustment device for photographic cameraInfo
- Publication number
- FR1429848A FR1429848A FR12589A FR12589A FR1429848A FR 1429848 A FR1429848 A FR 1429848A FR 12589 A FR12589 A FR 12589A FR 12589 A FR12589 A FR 12589A FR 1429848 A FR1429848 A FR 1429848A
- Authority
- FR
- France
- Prior art keywords
- lumination
- automatic
- adjustment device
- photographic camera
- photographic
- 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
- G03B7/081—Analogue circuits
- G03B7/085—Analogue circuits for control of aperture
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR12589A FR1429848A (en) | 1965-04-09 | 1965-04-09 | Automatic lumination adjustment device for photographic camera |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR12589A FR1429848A (en) | 1965-04-09 | 1965-04-09 | Automatic lumination adjustment device for photographic camera |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1429848A true FR1429848A (en) | 1966-02-25 |
Family
ID=8576028
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR12589A Expired FR1429848A (en) | 1965-04-09 | 1965-04-09 | Automatic lumination adjustment device for photographic camera |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1429848A (en) |
-
1965
- 1965-04-09 FR FR12589A patent/FR1429848A/en not_active Expired
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