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Publication of NL6611168ApublicationCriticalpatent/NL6611168A/xx
G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
G11B23/027—Containers for single reels or spools
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
G03B21/321—Holders for films, e.g. reels, cassettes, spindles
G03B21/323—Cassettes
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Packaging Of Machine Parts And Wound Products
(AREA)
Storage Of Web-Like Or Filamentary Materials
(AREA)