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
Panneau d'affichage, destine a la presentation de messages ecrits sur une bande annulaire et tournante, formee de toiles, reliees entre elles au moyen d'oeillets
Procede de fabrication d'un dispositif pouvant etre utilise notamment comme projecteur pour la photographie ou la television et dispositif fabrique selon ce procede