发明名称 |
Projection apparatus, ceiling hanging hardware for projection apparatus, and method of controlling operation of projection apparatus |
摘要 |
A projection apparatus includes a projector including a cooling fan which cools the inside of a main unit through an air hole provided in the main unit and ceiling hanging hardware including a bracket having an external cooling fan which faces the air hole and whose air-flow direction coincides with that of the air hole. The projector is mounted on the ceiling hanging hardware while hanging from the ceiling hanging hardware.
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申请公布号 |
US7621643(B2) |
申请公布日期 |
2009.11.24 |
申请号 |
US20060375278 |
申请日期 |
2006.03.14 |
申请人 |
CASIO COMPUTER CO., LTD. |
发明人 |
HIROSAWA SHIGERU;MASUO HIDEAKI |
分类号 |
G03B21/26;G03B21/14;G03B21/16 |
主分类号 |
G03B21/26 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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