GB890514A - Improvements in cinematograph projectors - Google Patents
Improvements in cinematograph projectorsInfo
- 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
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
- G03B19/00—Cameras
- G03B19/18—Motion-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.
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) |
-
1958
- 1958-11-24 GB GB37791/58A patent/GB890514A/en not_active Expired
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