AT291747B - CONTROL DEVICE FOR PHOTOGRAPHIC CAMERAS WITH AUTOMATIC ADJUSTMENT OF THE EXPOSURE FACTOR - Google Patents
CONTROL DEVICE FOR PHOTOGRAPHIC CAMERAS WITH AUTOMATIC ADJUSTMENT OF THE EXPOSURE FACTORInfo
- Publication number
- AT291747B AT291747B AT01389/69A AT138969A AT291747B AT 291747 B AT291747 B AT 291747B AT 01389/69 A AT01389/69 A AT 01389/69A AT 138969 A AT138969 A AT 138969A AT 291747 B AT291747 B AT 291747B
- Authority
- AT
- Austria
- Prior art keywords
- control device
- automatic adjustment
- photographic cameras
- exposure factor
- exposure
- 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
- G03B7/083—Analogue circuits for control of exposure time
-
- 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
- G03B7/003—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly setting of both shutter and diaphragm
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Control For Cameras (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD13628068 | 1968-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT291747B true AT291747B (en) | 1971-06-15 |
Family
ID=5480614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT01389/69A AT291747B (en) | 1968-11-28 | 1969-02-12 | CONTROL DEVICE FOR PHOTOGRAPHIC CAMERAS WITH AUTOMATIC ADJUSTMENT OF THE EXPOSURE FACTOR |
Country Status (2)
| Country | Link |
|---|---|
| AT (1) | AT291747B (en) |
| CH (1) | CH523514A (en) |
-
1969
- 1969-02-12 AT AT01389/69A patent/AT291747B/en not_active IP Right Cessation
- 1969-11-28 CH CH1782169A patent/CH523514A/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CH523514A (en) | 1972-05-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELJ | Ceased due to non-payment of the annual fee |