FR42007E - Perfectionnements apportés aux supports de lampe et de réflecteur, et, notamment, aux supports de lampe et de réflecteur des appareils de projection
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Perfectionnements apportés aux supports de lampe et de réflecteur, et, notamment, aux supports de lampe et de réflecteur des appareils de projection
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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
G03B21/20—Lamp housings
G03B21/2046—Positional adjustment of light sources
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General Physics & Mathematics
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FR42007D1932-06-281932-06-28Perfectionnements apportés aux supports de lampe et de réflecteur, et, notamment, aux supports de lampe et de réflecteur des appareils de projection
ExpiredFR42007E
(fr)