AT254686B - Aperture regulators for photographic apparatus - Google Patents
Aperture regulators for photographic apparatusInfo
- Publication number
- AT254686B AT254686B AT724464A AT724464A AT254686B AT 254686 B AT254686 B AT 254686B AT 724464 A AT724464 A AT 724464A AT 724464 A AT724464 A AT 724464A AT 254686 B AT254686 B AT 254686B
- Authority
- AT
- Austria
- Prior art keywords
- regulators
- aperture
- photographic apparatus
- photographic
- aperture regulators
- Prior art date
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)
- Diaphragms For Cameras (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD10430564 | 1964-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT254686B true AT254686B (en) | 1967-06-12 |
Family
ID=5478146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT724464A AT254686B (en) | 1964-05-09 | 1964-08-21 | Aperture regulators for photographic apparatus |
Country Status (2)
| Country | Link |
|---|---|
| AT (1) | AT254686B (en) |
| CH (1) | CH425455A (en) |
-
1964
- 1964-08-21 AT AT724464A patent/AT254686B/en active
- 1964-08-27 CH CH1126964A patent/CH425455A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH425455A (en) | 1966-11-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CH434973A (en) | Arrangement for combined photographic exposures | |
| AT269651B (en) | Take-up reel for cinematographic apparatus | |
| CH466024A (en) | Semi-automatic exposure control for photographic apparatus | |
| AT251414B (en) | Photographic camera | |
| CH437847A (en) | Optical imaging system for photographic or cinematographic equipment | |
| AT244149B (en) | Electron flash device for photographic use | |
| AT266580B (en) | Photographic camera | |
| AT251410B (en) | Photographic camera | |
| CH522892A (en) | Exposure control device for photographic apparatus | |
| CH415299A (en) | Stepping device for photographic copiers | |
| AT276059B (en) | Photographic camera | |
| AT276951B (en) | Take-up reel for cinematographic apparatus | |
| AT254686B (en) | Aperture regulators for photographic apparatus | |
| AT262758B (en) | Ever-ready case for a photographic camera | |
| CH436987A (en) | Area exposure device for copiers | |
| CH423476A (en) | Control device for photographic equipment | |
| AT251412B (en) | Photosensitive film for photographic use | |
| CH430265A (en) | Light meters for photographic use | |
| CH399900A (en) | Housing for a photographic film reel | |
| CH451691A (en) | Automatic exposure control device for photographic apparatus | |
| AT272076B (en) | Developing and fixing device for photographic material | |
| AT250162B (en) | Photographic camera | |
| AT260688B (en) | Photographic developer | |
| CH446049A (en) | Photographic camera | |
| CH409621A (en) | Basic rangefinder for photographic use |