GB399786A - Improvements in and relating to the production of pictures in colours - Google Patents
Improvements in and relating to the production of pictures in coloursInfo
- Publication number
- GB399786A GB399786A GB392332A GB392332A GB399786A GB 399786 A GB399786 A GB 399786A GB 392332 A GB392332 A GB 392332A GB 392332 A GB392332 A GB 392332A GB 399786 A GB399786 A GB 399786A
- Authority
- GB
- United Kingdom
- Prior art keywords
- colour
- filter
- film
- aesculine
- projected
- 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
- G03B33/00—Colour photography, other than mere exposure or projection of a colour film
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Edible Seaweed (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
- Optical Filters (AREA)
Abstract
399,786. Colour photography and kinematography. COOPER, E. D. and DAVIES, J., 468, Hawthorne Road, Bootle, Lancashire. Feb. 10, 1932, No. 3923. [Classes 97 (i) and 98 (ii).] In a process of projecting pictures in colour in a kinematograph or like apparatus, a group of component colour record images prepared from negatives taken through two or more complementary colour filters is projected in superimposition on to a screen, all the images or certain only of them being projected through a filter coloured by treatment in a solution of aesculine or of #-naphthol-disulphonic acid and certain through a different filter. In the case of a film, the component colour records are in recurring series each comprising all the records corresponding to one colour and all the series or certain only are projected through the aesculine filter. The filter may comprise rose bengal and patent blue in addition to the aesculine or #-naphtholdisulphonic acid. The whole film may be treated by bathing it in a solution of the filter dyes or in the case of a two-colour film, only the green component images may be so treated, the red component images being treated with a dye absorbing all the colours from 6250 mÁ to the violet end of the spectrum. Other pairs of complementary colours may be used similarly. In place of dyeing the film a separate filter may be used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB392332A GB399786A (en) | 1932-02-10 | 1932-02-10 | Improvements in and relating to the production of pictures in colours |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB392332A GB399786A (en) | 1932-02-10 | 1932-02-10 | Improvements in and relating to the production of pictures in colours |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB399786A true GB399786A (en) | 1933-10-10 |
Family
ID=9767433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB392332A Expired GB399786A (en) | 1932-02-10 | 1932-02-10 | Improvements in and relating to the production of pictures in colours |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB399786A (en) |
-
1932
- 1932-02-10 GB GB392332A patent/GB399786A/en not_active Expired
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