GB190509465A - Improvements in and relating to the Production of Negatives and Positives for Multi-colour Projection and Improved Means for Projection on to a Screen. - Google Patents
Improvements in and relating to the Production of Negatives and Positives for Multi-colour Projection and Improved Means for Projection on to a Screen.Info
- Publication number
- GB190509465A GB190509465A GB190509465DA GB190509465A GB 190509465 A GB190509465 A GB 190509465A GB 190509465D A GB190509465D A GB 190509465DA GB 190509465 A GB190509465 A GB 190509465A
- Authority
- GB
- United Kingdom
- Prior art keywords
- colours
- projection
- screens
- colour
- positives
- 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
Landscapes
- Projection Apparatus (AREA)
Abstract
9465. Greene, W. Friese-. May 5. Magic-lantern apparatus.-Relates to means for producing negatives or positives for use with kinematographic apparatus, and also to the means for projecting the animated pictures in their natural colours on a screen, the invention - being applicable t the apparatus described in Specifications No. 22,954, A.D. 1893, No. 22,928, A.D. 1896, No. 21,649, A.D. 1898, and No. 13,883, A.D. 1900, and being an improvement on the invention described in Specification No. 3729, A.D. 1903. In applying the invention to a camera, a prism d of small angle, preferably about twenty degrees, is arranged as shown so as to refract half the light from the lens c and produce a second image q, n adjacent. to the direct image r, j. Colour screens e,f are arranged as shown, and an orthoohromatic film is passed through the plane r, n. In projecting pictures, a wider-angled prism and lighter-coloured screens are used. To obtain greater accuracy in the various colours and tones, a number of different pairs of colours may, be used in succession, and more exposures may be made through one pair of screens than another to bring out the more prominent colours. The apparatus may be made to work and to show the colour records automatically, as well as to regulate the source of illumination as described in Specification No. 13,883, A.D. 1900.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB190509465T | 1905-05-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB190509465A true GB190509465A (en) | 1906-02-15 |
Family
ID=32196008
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB190509465D Expired GB190509465A (en) | 1905-05-05 | 1905-05-05 | Improvements in and relating to the Production of Negatives and Positives for Multi-colour Projection and Improved Means for Projection on to a Screen. |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB190509465A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3847471A (en) * | 1972-03-30 | 1974-11-12 | F Lindner | Rotating prism for projectors |
-
1905
- 1905-05-05 GB GB190509465D patent/GB190509465A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3847471A (en) * | 1972-03-30 | 1974-11-12 | F Lindner | Rotating prism for projectors |
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