FR634788A - Dispositif optique permettant la projection sur écran de toilettes figurées sur dessins ou clichés avec juxtaposition du visage réel d'une personne
- Google Patents
Dispositif optique permettant la projection sur écran de toilettes figurées sur dessins ou clichés avec juxtaposition du visage réel d'une personne
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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
G03B21/26—Projecting separately subsidiary matter simultaneously with main image
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
G03B23/00—Devices for changing pictures in viewing apparatus or projectors
G03B23/02—Devices for changing pictures in viewing apparatus or projectors in which a picture is removed from a stock and returned to the same stock or another one; Magazines therefor
G03B23/06—Devices for changing pictures in viewing apparatus or projectors in which a picture is removed from a stock and returned to the same stock or another one; Magazines therefor with rotary movement
FR634788D1926-10-141926-10-14Dispositif optique permettant la projection sur écran de toilettes figurées sur dessins ou clichés avec juxtaposition du visage réel d'une personne
ExpiredFR634788A
(fr)
Dispositif optique permettant la projection sur écran de toilettes figurées sur dessins ou clichés avec juxtaposition du visage réel d'une personne