FR834380A - Improvements to cameras - Google Patents
Improvements to camerasInfo
- Publication number
- FR834380A FR834380A FR834380DA FR834380A FR 834380 A FR834380 A FR 834380A FR 834380D A FR834380D A FR 834380DA FR 834380 A FR834380 A FR 834380A
- Authority
- FR
- France
- Prior art keywords
- cameras
- 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
- G03B7/12—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 a hand-actuated member moved from one position to another providing the energy to move the setting member, e.g. depression of shutter release button causes a stepped feeler to co-operate with the pointer of the light-sensitive device to set the diaphragm and thereafter release the shutter
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US834380XA | 1936-10-20 | 1936-10-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR834380A true FR834380A (en) | 1938-11-18 |
Family
ID=22178331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR834380D Expired FR834380A (en) | 1936-10-20 | 1937-10-20 | Improvements to cameras |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR834380A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE944961C (en) * | 1951-06-22 | 1956-06-28 | Phoenix Gummiwerke Ag | Process for the production of non-slip asphalt, tar and bitumen roads in hot paving with the addition of hydrophilic substances to the bitumen |
-
1937
- 1937-10-20 FR FR834380D patent/FR834380A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE944961C (en) * | 1951-06-22 | 1956-06-28 | Phoenix Gummiwerke Ag | Process for the production of non-slip asphalt, tar and bitumen roads in hot paving with the addition of hydrophilic substances to the bitumen |
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