GB233129A - Improvements in and connected with colour kinematography - Google Patents
Improvements in and connected with colour kinematographyInfo
- Publication number
- GB233129A GB233129A GB1043624A GB1043624A GB233129A GB 233129 A GB233129 A GB 233129A GB 1043624 A GB1043624 A GB 1043624A GB 1043624 A GB1043624 A GB 1043624A GB 233129 A GB233129 A GB 233129A
- Authority
- GB
- United Kingdom
- Prior art keywords
- filter
- aperture
- filters
- spectrum
- blue
- 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
- G03B33/08—Sequential recording or projection
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Developing Agents For Electrophotography (AREA)
Abstract
233,129. Greene, C. H. Friese-. April 28, 1924. Colour photography.- Negative films are exposed through filters which are all such that the whole or the predominating part of the light transmitted by them is from substantially the same parts of the spectrum, one of the filters having in conjunction with it an opening passing white light; the regative film may be exposed alternately through a filter and through a filter and aperture, and positives prepared therefrom may be alternately coloured orange-red and blue-green respectively. The filters may transmit light from substantially the red side of the spectrum, and that associated with the aperture may transmit a relatively small proportion from the blue part of the spectrum or may be associated with a small blue filter. The Figure shows a filter disc having a filter R in one aperture, and a filter r, an aperture WL, and an adjustable opaque filling 0 in the other aperture. The filter r and aperture WL may be variable in area and may be split into a number of portions. The filters may be used in conjunction with a quick-change intermittent mechanism. Formulae for dyes for the filters and positive film are set out in the Specification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1043624A GB233129A (en) | 1924-04-28 | 1924-04-28 | Improvements in and connected with colour kinematography |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1043624A GB233129A (en) | 1924-04-28 | 1924-04-28 | Improvements in and connected with colour kinematography |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB233129A true GB233129A (en) | 1925-05-07 |
Family
ID=9967806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1043624A Expired GB233129A (en) | 1924-04-28 | 1924-04-28 | Improvements in and connected with colour kinematography |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB233129A (en) |
-
1924
- 1924-04-28 GB GB1043624A patent/GB233129A/en not_active Expired
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