GB191123497A - Improvements in or relating to Films for the Production of Coloured Kinematograph Pictures. - Google Patents

Improvements in or relating to Films for the Production of Coloured Kinematograph Pictures.

Info

Publication number
GB191123497A
GB191123497A GB191123497DA GB191123497A GB 191123497 A GB191123497 A GB 191123497A GB 191123497D A GB191123497D A GB 191123497DA GB 191123497 A GB191123497 A GB 191123497A
Authority
GB
United Kingdom
Prior art keywords
degrees
coloured
films
production
relating
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
Application number
Inventor
John Campbell
Thomas Thompson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of GB191123497A publication Critical patent/GB191123497A/en
Expired legal-status Critical Current

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

Abstract

23,497. Campbell, J., and Thompson, T. April 24, 1912. Kinematograph apparatus.-A rotary colour screen for use in the production of films for natural-colour kinematography comprises three equal opaque portions a of substantially 60 degrees each separated by transparent complementarily coloured portions f, g, h of substantially 36 degrees, 72 degrees, and 72 degrees respectively, these angular measurements corresponding to the sensitivity to blue, green, and red light respectively of the panchromatic film employed. The screen consists of two sides p secured to each other and supporting the two flat glasses holding the intermediate coloured screens. Specifications 21,261/11 and 23,386/11 are referred to. Reference has been directed by the Comptroller to Specifications 249/02 and 9912/09.
GB191123497D 1912-04-24 1912-04-24 Improvements in or relating to Films for the Production of Coloured Kinematograph Pictures. Expired GB191123497A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191123497T 1912-04-24

Publications (1)

Publication Number Publication Date
GB191123497A true GB191123497A (en) 1912-11-21

Family

ID=34357703

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191123497D Expired GB191123497A (en) 1912-04-24 1912-04-24 Improvements in or relating to Films for the Production of Coloured Kinematograph Pictures.

Country Status (1)

Country Link
GB (1) GB191123497A (en)

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