GB227072A - Improvements in the production of designs especially scenic effects and in apparatus therefor or for like purposes - Google Patents
Improvements in the production of designs especially scenic effects and in apparatus therefor or for like purposesInfo
- Publication number
- GB227072A GB227072A GB2365823A GB2365823A GB227072A GB 227072 A GB227072 A GB 227072A GB 2365823 A GB2365823 A GB 2365823A GB 2365823 A GB2365823 A GB 2365823A GB 227072 A GB227072 A GB 227072A
- Authority
- GB
- United Kingdom
- Prior art keywords
- projecting
- negatives
- colour
- production
- 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
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)
- Toys (AREA)
Abstract
227,072. Hilger, Ltd., A., and Smith, C. F. Sept. 21, 1923. Colour photography.-Relales to apparatus for determining what are the appropriate colours or shades to be used in the production of coloured pictures or designs of posters, cretonnes &c. or in the production of designs or scenic effects. and consists in taking a number of negatives of the picture &c. each of which shows only those parts which are of one particular colour or shade, preparing from these negatives positive transparencies, and projecting these positives on a screen from an apparatus in which the colour and luminosity can be varied, so that a satisfactory blend of colours or shades can be found and the corresponding colours and luminosities noted. The negatives are taken. on a single plate, and positives are prepared on a plate 18, Fig. 1, which is introduced between condensing lenses 13 and projecting lenses 14 of a projecting apparatus, the light from the illuminator 10 of which passes through a glass heat-screen 15, and either is refracted through a system of prisms 11, or is reflected from a mirror or a system of mirrors. An iris diaphragm 16 and a colour screen 17<1> are arranged in front of each projecting lens. The light issuing from the, projecting lenses 14 mav be again refracted through a plano-concave lens 19, Fig. 4, to increase the size and distance of projection of the projected image. Caps 24 are provided for the projectors which enable the apparatus to be used also as a camera. The ratio of the sizes of the, negatives and positives is the same as the ratio between the focal lengths of the camera and projecting lenses.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2365823A GB227072A (en) | 1923-09-21 | 1923-09-21 | Improvements in the production of designs especially scenic effects and in apparatus therefor or for like purposes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2365823A GB227072A (en) | 1923-09-21 | 1923-09-21 | Improvements in the production of designs especially scenic effects and in apparatus therefor or for like purposes |
Publications (1)
Publication Number | Publication Date |
---|---|
GB227072A true GB227072A (en) | 1924-12-22 |
Family
ID=10199207
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2365823A Expired GB227072A (en) | 1923-09-21 | 1923-09-21 | Improvements in the production of designs especially scenic effects and in apparatus therefor or for like purposes |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB227072A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3352200A (en) * | 1963-11-13 | 1967-11-14 | Berger Michel Camille | Apparatus for providing multicoloured compositions |
NL2000277C2 (en) * | 2006-10-16 | 2008-04-22 | Univ Delft Tech | Method and design for product design evaluation. |
-
1923
- 1923-09-21 GB GB2365823A patent/GB227072A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3352200A (en) * | 1963-11-13 | 1967-11-14 | Berger Michel Camille | Apparatus for providing multicoloured compositions |
NL2000277C2 (en) * | 2006-10-16 | 2008-04-22 | Univ Delft Tech | Method and design for product design evaluation. |
EP1914595A1 (en) * | 2006-10-16 | 2008-04-23 | Technische Universiteit Delft | Method and apparatus for product design evaluation |
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