FR1271880A - Photographic shutter - Google Patents
Photographic shutterInfo
- Publication number
- FR1271880A FR1271880A FR841404A FR841404A FR1271880A FR 1271880 A FR1271880 A FR 1271880A FR 841404 A FR841404 A FR 841404A FR 841404 A FR841404 A FR 841404A FR 1271880 A FR1271880 A FR 1271880A
- Authority
- FR
- France
- Prior art keywords
- photographic shutter
- photographic
- shutter
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR841404A FR1271880A (en) | 1960-10-17 | 1960-10-17 | Photographic shutter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR841404A FR1271880A (en) | 1960-10-17 | 1960-10-17 | Photographic shutter |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1271880A true FR1271880A (en) | 1961-09-15 |
Family
ID=8740940
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR841404A Expired FR1271880A (en) | 1960-10-17 | 1960-10-17 | Photographic shutter |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1271880A (en) |
-
1960
- 1960-10-17 FR FR841404A patent/FR1271880A/en not_active Expired
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