FR815588A - Improvements to cameras - Google Patents
Improvements to camerasInfo
- Publication number
- FR815588A FR815588A FR815588DA FR815588A FR 815588 A FR815588 A FR 815588A FR 815588D A FR815588D A FR 815588DA FR 815588 A FR815588 A FR 815588A
- 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
- G03B9/00—Exposure-making shutters; Diaphragms
- G03B9/58—Means for varying duration of "open" period of shutter
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB815588X | 1936-05-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR815588A true FR815588A (en) | 1937-07-16 |
Family
ID=10527021
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR815588D Expired FR815588A (en) | 1936-05-16 | 1936-09-04 | Improvements to cameras |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR815588A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE757318C (en) * | 1937-08-06 | 1954-02-22 | Leitz Ernst Gmbh | Photographic apparatus with light meter |
-
1936
- 1936-09-04 FR FR815588D patent/FR815588A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE757318C (en) * | 1937-08-06 | 1954-02-22 | Leitz Ernst Gmbh | Photographic apparatus with light meter |
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