发明名称 Data-retainable photographic film cartridge
摘要 The present invention provides a photographic film cartridge including a cartridge, a spool carried in the cartridge for rotation about a longitudinal axis of the spool, a film wound into a roll around the spool, the film having frames each of which has an area to be exposed larger than 350 mm2 but smaller than 1200 mm2, an optical data-input region formed in the film having an area larger than 15% of the area of the frame, and at least one of electrical data-input device and magnetic data-input device being formed in the film or the cartridge.
申请公布号 US5255031(A) 申请公布日期 1993.10.19
申请号 US19920979454 申请日期 1992.11.20
申请人 FUJI PHOTO FILM CO., LTD. 发明人 IKENOUE, SHINPEI
分类号 G03B7/24;G03B17/24;(IPC1-7):G03B17/24 主分类号 G03B7/24
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