FR1538207A - Screen-filter control device - Google Patents
Screen-filter control deviceInfo
- Publication number
- FR1538207A FR1538207A FR122508A FR122508A FR1538207A FR 1538207 A FR1538207 A FR 1538207A FR 122508 A FR122508 A FR 122508A FR 122508 A FR122508 A FR 122508A FR 1538207 A FR1538207 A FR 1538207A
- Authority
- FR
- France
- Prior art keywords
- screen
- control device
- filter control
- filter
- control
- 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
- G03B7/091—Digital circuits
- G03B7/097—Digital circuits for control of both exposure time and aperture
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR122508A FR1538207A (en) | 1967-09-27 | 1967-09-27 | Screen-filter control device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR122508A FR1538207A (en) | 1967-09-27 | 1967-09-27 | Screen-filter control device |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1538207A true FR1538207A (en) | 1968-08-30 |
Family
ID=8639111
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR122508A Expired FR1538207A (en) | 1967-09-27 | 1967-09-27 | Screen-filter control device |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1538207A (en) |
-
1967
- 1967-09-27 FR FR122508A patent/FR1538207A/en not_active Expired
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