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GB141368A - Improvements in and relating to colour photography - Google Patents

Improvements in and relating to colour photography

Info

Publication number
GB141368A
GB141368A GB9895/20A GB989520A GB141368A GB 141368 A GB141368 A GB 141368A GB 9895/20 A GB9895/20 A GB 9895/20A GB 989520 A GB989520 A GB 989520A GB 141368 A GB141368 A GB 141368A
Authority
GB
United Kingdom
Prior art keywords
mirrors
films
plates
colour
pairs
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
GB9895/20A
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.)
JACQUES DOURLEN
Original Assignee
JACQUES DOURLEN
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 JACQUES DOURLEN filed Critical JACQUES DOURLEN
Publication of GB141368A publication Critical patent/GB141368A/en
Expired legal-status Critical Current

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Abstract

141,368. Dourlen, J., and Chretien, M. Jan. 8, 1919, [Convention date]. Kinematograph, reflecting, a n d three colour systems.-Relates to apparatus f o r colour photography in which a single objective and rotating mirrors are used for successively exposing sensitized plates or films in sequence to obtain colour negatives, and consists in arranging the mirrors in pairs so that the plates cr films may be exposed at a higher speed. In the apparatus shown, two pairs of mirrors N<1>, N<11> mounted on the axes x x, y y, respectively, are rotated by bevel gearing to expose the plates or films in the planes I and II, the third plate or film in the plane III being exposed by direct rays. The apparatus is also adaptable for projection. The Specification as open to inspection under Sect. 91 (3) (a) comprises also the use of sliding mirrors. This subject-matter does not appear in the Specification as accepted.
GB9895/20A 1919-01-08 1920-04-08 Improvements in and relating to colour photography Expired GB141368A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR141368X 1919-01-08

Publications (1)

Publication Number Publication Date
GB141368A true GB141368A (en) 1921-01-13

Family

ID=8874696

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9895/20A Expired GB141368A (en) 1919-01-08 1920-04-08 Improvements in and relating to colour photography

Country Status (1)

Country Link
GB (1) GB141368A (en)

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