GB890514A - Improvements in cinematograph projectors - Google Patents

Improvements in cinematograph projectors

Info

Publication number
GB890514A
GB890514A GB37791/58A GB3779158A GB890514A GB 890514 A GB890514 A GB 890514A GB 37791/58 A GB37791/58 A GB 37791/58A GB 3779158 A GB3779158 A GB 3779158A GB 890514 A GB890514 A GB 890514A
Authority
GB
United Kingdom
Prior art keywords
plate
shaft
cinematograph
turret
apertures
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
GB37791/58A
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.)
Zeiss Ikon AG
Original Assignee
Zeiss Ikon 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 Zeiss Ikon AG filed Critical Zeiss Ikon AG
Publication of GB890514A publication Critical patent/GB890514A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B19/00Cameras
    • G03B19/18Motion-picture cameras

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Telescopes (AREA)

Abstract

890,514. Cinematograph projectors. ZEISS IKON A.G. Nov. 24, 1958 [Dec. 7, 1957], No. 37791/58. Class 97(1). A cinematograph projector comprises a plate having two or more picture format defining apertures said plate being rotatably mounted eccentrically of the optical axis of the projector. In the Fig. a plate 3 having apertures 4-7 and a lens turret 10 having lenses of different focal lengths mounted on it are mounted on a shaft 8 which may be rotated manually or automatically. A clutch is provided on'the shaft so that the turret 10 and plate 3 may be disconnected and adjusted independently. Serrations may be provided on the plate 3 or shaft 8 to aid setting and a visible graduation may be provided on the propeller housing to assist accurate adjustment.
GB37791/58A 1957-12-07 1958-11-24 Improvements in cinematograph projectors Expired GB890514A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE890514X 1957-12-07

Publications (1)

Publication Number Publication Date
GB890514A true GB890514A (en) 1962-02-28

Family

ID=6838601

Family Applications (1)

Application Number Title Priority Date Filing Date
GB37791/58A Expired GB890514A (en) 1957-12-07 1958-11-24 Improvements in cinematograph projectors

Country Status (1)

Country Link
GB (1) GB890514A (en)

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