GB191402704A - Improvements in Natural Colour Kinematography. - Google Patents

Improvements in Natural Colour Kinematography.

Info

Publication number
GB191402704A
GB191402704A GB191402704DA GB191402704A GB 191402704 A GB191402704 A GB 191402704A GB 191402704D A GB191402704D A GB 191402704DA GB 191402704 A GB191402704 A GB 191402704A
Authority
GB
United Kingdom
Prior art keywords
colours
colour
filters
film
gelatine
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
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 GB191402704A publication Critical patent/GB191402704A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Filters (AREA)

Abstract

2704. Campbell, J. Feb. 2. Drawings to Specification. Kinematograph apparatus.-Relates to systems of natural-colour kinematography in which the negative is successively and alternatively exposed through rotating colour filters. Two filters each formed of two colours, one cold of a blue and a green, and the other warm of a yellow and a red, are used. The filters transmit light from 4100 to 5600 and from 5600 to the red end of the spectrum respectively. The two colours may be juxtaposed or superposed in each filter in the form of film, or the two colours may be applied to a gelatine or like film by spraying in succession, one colour being allowed to dry before the other is applied. The positive films may have the gelatine dyed with two pairs of appropriate colours so that each picture carries its own colour film. Details of the filters employed for taking the negative, and of the dyes used for staining the positive, films are given in the Specification.
GB191402704D 1914-02-02 1914-02-02 Improvements in Natural Colour Kinematography. Expired GB191402704A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191402704T 1914-02-02

Publications (1)

Publication Number Publication Date
GB191402704A true GB191402704A (en) 1915-02-02

Family

ID=32581740

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191402704D Expired GB191402704A (en) 1914-02-02 1914-02-02 Improvements in Natural Colour Kinematography.

Country Status (1)

Country Link
GB (1) GB191402704A (en)

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