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Spicers Ltd
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Spicers Ltd
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Publication date
Application filed by Spicers LtdfiledCriticalSpicers Ltd
Application grantedgrantedCritical
Publication of FR704683ApublicationCriticalpatent/FR704683A/fr
G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
G02B7/14—Mountings, adjusting means, or light-tight connections, for optical elements for lenses adapted to interchange lenses
G02B7/16—Rotatable turrets
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
G03B21/14—Details
G03B21/32—Details specially adapted for motion-picture projection
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Optics & Photonics
(AREA)
FR704683D1929-12-071930-10-23Perfectionnements aux appareils de prise de vues et projecteurs cinématographiques
ExpiredFR704683A
(fr)