发明名称 Projection apparatus.
摘要 <p>A projection apparatus comprises an illumination device for emitting onto a film an illumination light for projecting the film, an index member for focus adjustment, a moving mechanism for moving the index member to a focus adjusting position where the index member is in contact with a surface of the film within an optical path of the projection light, and a member to be operated for focus adjustment. &lt;IMAGE&gt;</p>
申请公布号 EP0519650(A2) 申请公布日期 1992.12.23
申请号 EP19920305371 申请日期 1992.06.11
申请人 CANON KABUSHIKI KAISHA 发明人 SAIJO, YASUTSUGU
分类号 G03B27/32;G03B27/62 主分类号 G03B27/32
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