发明名称 PHOTOGRAPHIC FILM AND FILM UNIT WITH LENS USING THE SAME
摘要 PROBLEM TO BE SOLVED: To provide a film unit with lens, which makes it difficult for a third person other than a regular maker to repack a film and prevents breaking of a photographic film from perforations. SOLUTION: Perforations 37 are arranged at regular pitches in both side edges of a photographic film 31 incorporated into the film unit with lens in such a way that 8 perforations are included in one frame, the shape of the perforation 37 is made circular and the diameter is adjusted to 3.0 mm. The shape of the teeth of a sprocket 43 which engages with the perforation 37 is made similar to the shape of the perforation 37, whereby it is made difficult for a third person to repack a film and breaking of the photographic film 31 from the perforations is prevented. COPYRIGHT: (C)2004,JPO
申请公布号 JP2004061980(A) 申请公布日期 2004.02.26
申请号 JP20020222062 申请日期 2002.07.30
申请人 FUJI PHOTO FILM CO LTD 发明人 HARA HIROSHI
分类号 G03B1/24;G03C1/765;G03C3/00;(IPC1-7):G03C3/00 主分类号 G03B1/24
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