FR1028002A - Improvements to cameras - Google Patents
Improvements to camerasInfo
- Publication number
- FR1028002A FR1028002A FR1028002DA FR1028002A FR 1028002 A FR1028002 A FR 1028002A FR 1028002D A FR1028002D A FR 1028002DA FR 1028002 A FR1028002 A FR 1028002A
- 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
- G03B19/00—Cameras
- G03B19/02—Still-picture cameras
- G03B19/04—Roll-film cameras
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1028002T | 1950-08-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1028002A true FR1028002A (en) | 1953-05-19 |
Family
ID=9581020
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1028002D Expired FR1028002A (en) | 1950-08-30 | 1950-08-30 | Improvements to cameras |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1028002A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2989907A (en) * | 1958-06-11 | 1961-06-27 | Robert L Nelson | Gravity operated mask attachment for cameras |
US3678834A (en) * | 1971-06-04 | 1972-07-25 | Dominic S Melino | Reversible film camera with selectable exposure sizes |
-
1950
- 1950-08-30 FR FR1028002D patent/FR1028002A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2989907A (en) * | 1958-06-11 | 1961-06-27 | Robert L Nelson | Gravity operated mask attachment for cameras |
US3678834A (en) * | 1971-06-04 | 1972-07-25 | Dominic S Melino | Reversible film camera with selectable exposure sizes |
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