GB776534A - Kinematograph projectors - Google Patents

Kinematograph projectors

Info

Publication number
GB776534A
GB776534A GB3808/54A GB380854A GB776534A GB 776534 A GB776534 A GB 776534A GB 3808/54 A GB3808/54 A GB 3808/54A GB 380854 A GB380854 A GB 380854A GB 776534 A GB776534 A GB 776534A
Authority
GB
United Kingdom
Prior art keywords
film
images
projected
spaced
aperture
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
GB3808/54A
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.)
Perfectone S A
Original Assignee
Perfectone S A
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 Perfectone S A filed Critical Perfectone S A
Publication of GB776534A publication Critical patent/GB776534A/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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/60—Projection screens characterised by the nature of the surface

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection-Type Copiers In General (AREA)

Abstract

776,534. Kinematography. PERFECTONE SOC. ANON. Feb. 9, 1954 [Dec. 30, 1953], No. 3808/54. Class 97(1) A film 14, Fig. 3, carries pairs of identical images I, Ia &c of half the normal height 'and spaced in the direction of the length of the film, the film being projected in a projector in which, Fig. 2, it is spaced from an illuminated aperture, not shown, of a size corresponding to two adjacent images, the light from the aperture being directed through the related film images by systems 9, 10, the images being projected into superposition by objectives 11, 12. Specification 768,243 is referred to.
GB3808/54A 1953-12-30 1954-02-09 Kinematograph projectors Expired GB776534A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH776534X 1953-12-30

Publications (1)

Publication Number Publication Date
GB776534A true GB776534A (en) 1957-06-05

Family

ID=4535870

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3808/54A Expired GB776534A (en) 1953-12-30 1954-02-09 Kinematograph projectors

Country Status (1)

Country Link
GB (1) GB776534A (en)

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