FR770035A - Automatic exposure adjustment device for cameras - Google Patents
Automatic exposure adjustment device for camerasInfo
- Publication number
- FR770035A FR770035A FR770035DA FR770035A FR 770035 A FR770035 A FR 770035A FR 770035D A FR770035D A FR 770035DA FR 770035 A FR770035 A FR 770035A
- Authority
- FR
- France
- Prior art keywords
- cameras
- adjustment device
- automatic exposure
- exposure adjustment
- automatic
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HU770035X | 1932-11-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR770035A true FR770035A (en) | 1934-09-06 |
Family
ID=10980258
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR770035D Expired FR770035A (en) | 1932-11-10 | 1933-11-10 | Automatic exposure adjustment device for cameras |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR770035A (en) |
-
1933
- 1933-11-10 FR FR770035D patent/FR770035A/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR802940A (en) | Device for the automatic adjustment of exposure time in photographic or similar cameras | |
FR770035A (en) | Automatic exposure adjustment device for cameras | |
FR682632A (en) | Film advancement device for serial cameras | |
FR725313A (en) | Device applicable to cameras for the automatic adjustment of illumination | |
FR760954A (en) | Mirror reflector device for cameras | |
FR826411A (en) | Device with photographic lens shutters for adjusting light exposure | |
FR717645A (en) | Pressing device for film cameras | |
FR746192A (en) | Automatic shutter release for cameras | |
FR753733A (en) | Device for automatic loading of cinematographic devices | |
FR750487A (en) | Film advancement device for cameras | |
FR712001A (en) | Autofocus device for photographic or cinematographic cameras | |
FR844934A (en) | Viewfinder field adjustment device for cameras with removable lenses | |
FR778186A (en) | Film transport device for cameras | |
FR45546E (en) | Film transport device for cameras | |
FR823763A (en) | Finder device for cameras | |
FR783728A (en) | Coil device for photographic cameras | |
FR675786A (en) | Camera film control device | |
FR799567A (en) | Triggering device for camera lens shutters | |
FR759731A (en) | Finder for cameras | |
FR749180A (en) | Filter holder for photographic cameras | |
FR684629A (en) | Device for automatic cameras | |
FR794771A (en) | Automatic shutter for cameras | |
FR694668A (en) | Reflector pose device for cameras | |
CA327636A (en) | Lens device for photographic apparatus | |
FR782740A (en) | Partial shutter device for photographic lenses |