GB443652A - Process for marking photographic pack films - Google Patents
Process for marking photographic pack filmsInfo
- Publication number
- GB443652A GB443652A GB2914934A GB2914934A GB443652A GB 443652 A GB443652 A GB 443652A GB 2914934 A GB2914934 A GB 2914934A GB 2914934 A GB2914934 A GB 2914934A GB 443652 A GB443652 A GB 443652A
- Authority
- GB
- United Kingdom
- Prior art keywords
- film
- tab
- packs
- hood
- margin
- 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
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C11/00—Auxiliary processes in photography
- G03C11/02—Marking or applying text
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection-Type Copiers In General (AREA)
Abstract
443,652. Photographic film - packs. GROVES, W. W., 30, Southampton Buildings, Chancery Lane, London.-(I. G. Farbenindustrie Akt.-Ges. ; Frankfort-on-Main, Germany) Oct. 11, 1934, No. 29149. [Class 98 (i)] In the manufacture of film-packs, the number on each draw-tab is copied by episcopic projection, preferably on a reduced scale, on to the margin of the film to which the tab has been attached. Other matter relating to the kind of film may be similarly copied either simultaneously or subsequently. In the apparatus shown, the tab c of the backing to which a film a has been attached at p rests beneath a hood n enclosing lamps l for lighting the tab number, and an image of the number is projected, through a bent tube o fitted with reflectors g and a lens h, on to the margin of the film a, producing a latent image therein. Contact of the hood n and tube o with tab and film is rendered light-tight by rubber, plush, or velvet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2914934A GB443652A (en) | 1934-10-11 | 1934-10-11 | Process for marking photographic pack films |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2914934A GB443652A (en) | 1934-10-11 | 1934-10-11 | Process for marking photographic pack films |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB443652A true GB443652A (en) | 1936-03-04 |
Family
ID=10286917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2914934A Expired GB443652A (en) | 1934-10-11 | 1934-10-11 | Process for marking photographic pack films |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB443652A (en) |
-
1934
- 1934-10-11 GB GB2914934A patent/GB443652A/en not_active Expired
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