发明名称 IMAGE PROJECTION APPARATUS
摘要 An image projection apparatus is disclosed which is capable of reducing noise when airflows from plural flow paths are taken in into a fan and exhausted therefrom. The apparatus comprises a first flow path through which a first airflow for cooling a light source passes, a second flow path through which a second airflow for cooling constituent parts other than the light source passes, a fan which exhausts air introduced from the first and second flow paths to the outside of the apparatus, a third flow path which introduces a third airflow to an exhaust area between the light source and the fan in the first flow path, and a light-shielding member which is provided in the exhaust area and shields the light from the light source.
申请公布号 US2013021584(A1) 申请公布日期 2013.01.24
申请号 US201213563914 申请日期 2012.08.01
申请人 CANON KABUSHIKI KAISHA;NODA TOSHIYUKI;KATSUMATA SHIN-ICHI 发明人 NODA TOSHIYUKI;KATSUMATA SHIN-ICHI
分类号 G03B21/16 主分类号 G03B21/16
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