GB260902A - Kinematographic projecting apparatus with a continuously moving film - Google Patents

Kinematographic projecting apparatus with a continuously moving film

Info

Publication number
GB260902A
GB260902A GB1514426A GB1514426A GB260902A GB 260902 A GB260902 A GB 260902A GB 1514426 A GB1514426 A GB 1514426A GB 1514426 A GB1514426 A GB 1514426A GB 260902 A GB260902 A GB 260902A
Authority
GB
United Kingdom
Prior art keywords
film
mirror
axis
lens
light
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
GB1514426A
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.)
Ernemann Werke AG
Original Assignee
Ernemann Werke AG
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 Ernemann Werke AG filed Critical Ernemann Werke AG
Priority to GB1514426A priority Critical patent/GB260902A/en
Publication of GB260902A publication Critical patent/GB260902A/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
    • G03B41/00—Special techniques not covered by groups G03B31/00 - G03B39/00; Apparatus therefor
    • G03B41/02—Special techniques not covered by groups G03B31/00 - G03B39/00; Apparatus therefor using non-intermittently running film
    • G03B41/04—Special techniques not covered by groups G03B31/00 - G03B39/00; Apparatus therefor using non-intermittently running film with optical compensator
    • G03B41/06—Special techniques not covered by groups G03B31/00 - G03B39/00; Apparatus therefor using non-intermittently running film with optical compensator with rotating reflecting member

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Projection Apparatus (AREA)

Abstract

260,902. Brewer, G., (Ernemann-Werk-c Akt.-Ges.). June 16, 1926. Kinematograph apparatus.-In a continuousfeed projector having a rotating helical mirror for optical compensation, the length of the light paths from any point on the film to the lens is maintained constant by causing the film, or a real image of it, to move obliquely through the axis of projection and the light beam. As shown diagrammatically in Fig. 2, the film 1<1> passes obliquely through the beam 6 from a light source 4, and the beam is reflected by a helical mirror 2 to a prism 7 causing the virtual image of the film to lie at right angles to the axis of the lens 3. The real image of a film passing normally or obliquely through the axis of projection may be rendered oblique by means of a combined lens and prism system. Fig. 4 shows a construction in which the film in a gate 13 is illuminated by a beam from a light 4 reflected from one part of the helical mirror 2, the light beam being also reflected by a fixed mirror 17 on to another part of the mirror 2 by which compensation is effected. Lenses 8 produce a real image of the film in proximity to the mirror 2, and the prism 7 virtually turns this image so as to lie normal to the axis of the projection lens 3.
GB1514426A 1926-06-16 1926-06-16 Kinematographic projecting apparatus with a continuously moving film Expired GB260902A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1514426A GB260902A (en) 1926-06-16 1926-06-16 Kinematographic projecting apparatus with a continuously moving film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1514426A GB260902A (en) 1926-06-16 1926-06-16 Kinematographic projecting apparatus with a continuously moving film

Publications (1)

Publication Number Publication Date
GB260902A true GB260902A (en) 1926-11-11

Family

ID=10053809

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1514426A Expired GB260902A (en) 1926-06-16 1926-06-16 Kinematographic projecting apparatus with a continuously moving film

Country Status (1)

Country Link
GB (1) GB260902A (en)

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