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Priority to DE19752551605priorityCriticalpatent/DE2551605C2/de
Priority claimed from DE19752551605external-prioritypatent/DE2551605C2/de
Publication of DE2551605B1publicationCriticalpatent/DE2551605B1/de
Publication of DE2551605A1publicationCriticalpatent/DE2551605A1/de
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Publication of DE2551605C2publicationCriticalpatent/DE2551605C2/de
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
G03B21/54—Accessories
G03B21/64—Means for mounting individual pictures to be projected, e.g. frame for transparency
Landscapes
Physics & Mathematics
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General Physics & Mathematics
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Transforming Electric Information Into Light Information
(AREA)