发明名称 Film cassette engagement and disengagement
摘要 A strip of photographic film is moved relative to the photographic film cassette from which the strip extends. A rewinding apparatus can be selectably engaged or disengaged from the film spool of the photographic film cassette. The techniques can be used in cameras, including low-cost or disposable cameras.
申请公布号 US2002098000(A1) 申请公布日期 2002.07.25
申请号 US20010948229 申请日期 2001.09.07
申请人 LAU IVAN 发明人 LAU IVAN
分类号 G03B1/00;(IPC1-7):G03B1/00 主分类号 G03B1/00
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