SUPPORT DE FILM NEGATIF POUR FILM EN DISQUE

• Main Author: TOSHIYUKI MUKAE ET YOSHIFUMI AZUMA
• Format: Patent
• Language: French
• Published: 16.12.1983
• Subjects: ACCESSORIES THEREFOR; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES; APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM; CINEMATOGRAPHY; ELECTROGRAPHY; HOLOGRAPHY; PHOTOGRAPHY; PHYSICS

SUPPORT DE FILM NEGATIF POUR FILM EN DISQUE Y, POUVANT ETRE FIXE SUR LA PLAQUE D'UNE TIREUSE DANS LAQUELLE DES CLICHES NEGATIFS REGULIEREMENT ESPACES AUTOUR DU FILM Y SONT TIRES INDIVIDUELLEMENT TANDIS QUE LE FILM Y TOURNE DE FACON INTERMITTENTE, LA PLAQUE PRESENTANT UNE OUVERTURE D'EXPOSITION. LE SUPPORT COMPREND UNE PLAQUE DE MASQUAGE A, UNE OUVERTURE 3 DE LA PLAQUE A ETANT VERTICALEMENT ALIGNEE AVEC L'OUVERTURE DE LA PLAQUE, UN SUPPORT B DU MASQUE POUVANT ETRE FIXE SUR LA PLAQUE A ET COMPRENANT UNE PARTIE DE MASQUAGE DONT L'OUVERTURE D'EXPOSITION 22 EST ALIGNEE AVEC L'OUVERTURE 3, UN SUPPORT C DU FILM Y, ROTATIF SUR LE SUPPORT B ET PARALLELE A SA SURFACE SUPERIEURE, COMPORTANT DES MOYENS POUR FAIRE TOURNER LE DISQUE Y DE FACON INTERMITTENTE, D'UNANGLE CORRESPONDANT AU PAS DES CLICHES, ET UN SUPPORT D DU NEGATIF, ROTATIF AUTOUR D'UN ARBRE 10 SITUE SUR UN PROLONGEMENT ARRIERE DE LA PLAQUE A, ET COMPORTANT UNE PLAQUE DE RETENUE. An improved negative film carrier for a disc film adapted to be mounted on a handling board in a photographic printer in which images on negative films fitted into a number of film frames arranged along the periphery of the disc film in an equally spaced relation are printed one by one onto a photographic printing paper as the disc film is intermittently turned, said handling board including an exposure opening formed thereon through which light beam passes, is disclosed, wherein the improvement consists in that the negative film carrier essentially comprises a negative film mask plate serving as a base section for mounting the negative film carrier on the handling board, an exposure opening of said negative film mask plate being located in vertical alignment with the exposure opening of the handling board, a negative film mask holder adapted to be fitted on the negative film mask plate and including a negative film mask portion of which exposure opening is located in vertical alignment with the exposure opening of the negative film mask plate, a disc film holder turnably supported on the negative film mask holder in parallel to the upper surface of the latter and including means for intermittently turning the disc film by an angular distance corresponding to one pitch of film frames and a negative film retainer holder adapted to turn about a support shaft on an extension part extending rearward of the negative film mask plate and including a mask-shaped negative film retainer plate fixedly secured to the bottom of the fore part thereof.