GB450201A - Improvements in or relating to photographic roll film cameras - Google Patents
Improvements in or relating to photographic roll film camerasInfo
- Publication number
- GB450201A GB450201A GB2666535A GB2666535A GB450201A GB 450201 A GB450201 A GB 450201A GB 2666535 A GB2666535 A GB 2666535A GB 2666535 A GB2666535 A GB 2666535A GB 450201 A GB450201 A GB 450201A
- Authority
- GB
- United Kingdom
- Prior art keywords
- screens
- film
- rollers
- visible
- marks
- 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)
- Projection-Type Copiers In General (AREA)
Abstract
450,201. Photographic roll - film cameras. TAKACS, P., 30, Tatrautca, Budapest, and SANDOR, L., Ober-Gutsverwalter, Pusztamizse, both in Hungary. Sept. 26, 1935, No. 26665. [Class 98 (i)] In cameras having a pair of masking screens movable over the surface of the film for controlling the area of film exposed, the screens are constructed of flexible material and are connected at the edges by crossed bands forming a continuous loop passing round a pair of rollers so that on rotating one of the rollers the edges' of the screens approach or recede from one another. One of the screens is provided with an indicating mark visible through an aperture in the camera back and the film is also provided with marks which correspond with indicating marks on the camera back to show the corresponding picture sizes. In the form shown, the screens d, e, Fig. 2, are connected by the strips f, g, one of the screens also carrying an indicating mark x. They are moved by rotating one or both of the rollers round which they pass and which may be provided with toothed wheels engaging a rack. The mark x is visible in a window h, Fig. 3, in the camera and markings m<1>1, m<11>1 ... m<1>4, m<11>4 connected by lines m are provided adjacent windows i, k in the camera back, through which corresponding marks on the film are visible.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2666535A GB450201A (en) | 1935-09-26 | 1935-09-26 | Improvements in or relating to photographic roll film cameras |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2666535A GB450201A (en) | 1935-09-26 | 1935-09-26 | Improvements in or relating to photographic roll film cameras |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB450201A true GB450201A (en) | 1936-07-13 |
Family
ID=10247237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2666535A Expired GB450201A (en) | 1935-09-26 | 1935-09-26 | Improvements in or relating to photographic roll film cameras |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB450201A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3631782A (en) * | 1968-12-05 | 1972-01-04 | Eastman Kodak Co | Film cartridge having a lens aperture stop |
-
1935
- 1935-09-26 GB GB2666535A patent/GB450201A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3631782A (en) * | 1968-12-05 | 1972-01-04 | Eastman Kodak Co | Film cartridge having a lens aperture stop |
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