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STERLING ENG CO Ltd
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STERLING ENG CO Ltd
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Application filed by STERLING ENG CO LtdfiledCriticalSTERLING ENG CO Ltd
Application grantedgrantedCritical
Publication of FR929643ApublicationCriticalpatent/FR929643A/fr
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
G03B23/00—Devices for changing pictures in viewing apparatus or projectors
G03B23/08—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier
G03B23/12—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier linear strip carrier
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR929643D1945-06-251946-06-24Perfectionnements apportés aux appareils de projection pour films cinématographiques
ExpiredFR929643A
(fr)