发明名称 A film cassette and a photographing device using the same.
摘要 A film cassette provided with a magnetic disc for recording data relative to a film. The magnetic disc of the film cassette makes two revolutions when one frame of the film is wound up. Data stored in the magnetic disc are read out during the first revolution of the disc, and renewed data are recorded on the disc during the second revolution.
申请公布号 EP0039492(A2) 申请公布日期 1981.11.11
申请号 EP19810103289 申请日期 1981.04.30
申请人 OLYMPUS OPTICAL CO., LTD. 发明人 TANIKAWA, KOWJI
分类号 A61B1/04;G03B7/24;G03B17/18;G03B17/24;G03B17/30;G03B17/36;G03C3/00 主分类号 A61B1/04
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